福建省计算机二年级C语言上机题解析

福建省计算机二年级C语言上机题解析Prepared on 22 November 2020第一部分：程序修改题#include <>#include <>#include <>#include <>void main(){ char str1[100], t[200];int i, j;/**/ i = 0; /**/ 改成j = 0;clrscr();strcpy(str1, "4AZ18cGe9a0z!");for (i = 0; i<strlen(str1); i++){/**/ if ((str1[i] %2== 0) && (i%2!=0)) /**/ 改成i%2 ==0 {t[j] = str1[i];j++;}}t[j] = '\0';printf("\n Original string: %s\n", str1);printf("\n Result string: %s\n", t);}#include <>#include <>#include <>#include <>#define M 50double fun(int n){ double y = ;int i,j;j=0;for(i=1;;i++){/**/ if((i<10)&&(i%3==0)) /**/ 改成i>10{/**/ y+=1/i; /**/ 改成y+=i;j++;}if(j==n) break;}return y;}void main(){ clrscr();printf("fun(8) = %\n", fun(8));}#include <>void main(){/**/ int i,j;/**/ 改成int i,j,k;for(i=1;i<=6;i++){for(k=1;k<=10+i;k++)printf(" ");for(j=1;j<=7-i;j++)printf("*")/**/ : /**/ 改成;printf("\n");}getch();}#include <>#include <>/**/int fun();/**/ 该处不是函数说明，应该去掉分号{ int hen,cock,chicken,n=0;clrscr();for(cock=0;cock<=50;cock+=1)for(hen=0;hen<=100;hen=hen+1){ chicken=2*(100-hen-2*cock);/**/ if(cock+hen+chicken=100) /**/ 赋值号改成＝＝{ n++;printf("%d-->hen:%d,cock:%d,chicken:%d\n",n,hen,cock,chicken); if(n==20) getch();}}return n;}void main(){ int num;num=fun();printf("\n There are %d solutions.\n",num);getch();}#include <>#include <>void main(){ int m,n,result,flag=0;/**/ char ch, /**/基本语法错误，逗号改成分号clrscr();printf("Input an expression: ");scanf("%d%c%d",&m,&ch,&n);/**/ switch ch /**/基本格式错误，改成switch(ch) { case '+': result=m+n; break;case '-': result=m-n; break;case '*': result=m*n; break;case '%': result=m%n; break;case '/': result=m/n; break;default: { printf("Error!\n"); flag=1; }}if (!flag) printf("%d %c %d = %d\n",m,ch,n,result); getch();}#include <>#include <>void main(){char s[20]="table left 100",t[20];/**/ char tab[4,2]={{'a','f'},{'b','e'},{'e','a'},{'f','b'}}; /**/ 数组定义形式错误，改成char tab[4][2]int i,j=0;strcpy(t,s);while(t[j]){for(i=0;i<=3;i++){if(t[j]==tab[i][0]){/**/ t[j]=tab[i][2]; /**/改成t[j]=tab[i][1];break;}}j++;}printf("\nThe source string: %s\n",s);printf("\nThe target string: %s\n",t);getch();}#include <>#include <>main(){char str1[128];/**/ int i,len; sum=0; /**/基本语法错误，改成int i,len, sum=0; printf("\nPlease input the string: ");gets(str1);len = strlen(str1);for(i=0; i<len; i++){/**/ if( str1[i] >= '0' || str1[i] <= '9') /**/逻辑错误，||改成&&sum++;}printf("%d\n",sum);getch();}#include <>#include <>#define M 8main(){ int a[M],i;printf("Please input 8 numbers:\n");for(i=0; i<M; i++)scanf("%d", /**/ a[i] /**/);输入列表项必须指定地址，改成&a[i] printf("Inverse order is: \n");/**/ for(i=M-1; i<=0; i--) /**/ 循环判断条件表示错误，改成i>=0 printf("%d ", a[i]);printf("\n" );getch();}#include <>#include <>main(){/**/ char str1 /**/;此处必须定义成字符数组，改成char str1[50] int i,len, sum=0;printf("Please input a string:\n");scanf("%s", str1);len = strlen(str1);for(i=0; i<len; i++){if( str1[i] >= 'A' && str1[i] <= 'Z')/**/ sum--; /**/ 改成sum++;}printf("%d\n",sum);getch();}#include <>#include <>/**/ #include M 5 /**/宏定义错误，改成#define M 5main(){int a[M],i;printf("Please input 5 numbers:\n");for(i=0; i<M; i++)scanf("%d", &a[i]);printf("Even numbers:\n" );for(i=0; i<M; i++)/**/ if( a[i]/2 ==0) /**/判断偶数应该改成a[i]%2 ==0printf("%d ", a[i]);printf("\n" );getch();}#include <>#include <>main(){char str1[128], str2[128];int i,len;gets(str1);len = strlen(str1);/**/ for(i=0; i>len; i++) /**/循环条件表示错误，改成for(i=0; i<len; i++) {if( str1[i] >= '0' && str1[i] <= '8')str2[i] = str1[i] + 1;else if(str1[i] == '9')str2[i] = '0';elsestr2[i] = str1[i];}/**/ str2[i] = '\n'; /**/字符串的结束标识应该用'\0'表示puts(str2);#include <>#include <>void main(){char s1[30]="People's Republic of ", s2[]="China";char * ps1,*ps2;/**/ ps1 = NULL; /**/指针ps1指向字符串s1，改成ps1 = s1;ps2=s2;/**/ while(*ps1 == NULL) /**/判断是否到达串尾标识，应改成*ps1!='\0' ps1++;while(*ps2)*(ps1++) = *(ps2++);printf("\n%s\n",s1);getch();}#include <>#include <>void main(){float a[3],s,area;int i;printf("Please input 3 numbers:\n");for(i=0; i<3; i++)scanf("%f",/**/ a[i] /**/);输入列表项必须指定地址/**/ if( a[0]+a[1]>a[2] || a[1]+a[2]>a[0] || a[0]+a[2]>a[1] ) /**/逻辑条件标识错误，||改成&&{s = (a[0]+a[1]+a[2])/2;area = sqrt(s*(s-a[0])*(s-a[1])*(s-a[2]));printf("area is %.2f\n",area);}elseprintf("error.\n");getch();}#include <>#include <>/**/ void fun() /**/此处说明函数有返回值，改成int fun(){int large,middle,small,n=0;clrscr();for( large=0;large<=33;large++ )for( middle=0;middle<=50;middle++ ){small = 2*(100-3*large-2*middle);/**/ if( large+middle+small=100 ) /**/ = 改成 =={n++;printf("%d-->large:%d,middle:%d,small:%d\n",n,large,middle,small); }}return n;}void main(){int num;num = fun();printf("\n There are %d solutions.\n",num);getch();}#include <>void main(){int i;/**/ for( i=100; i<200; i++ ); /**/for语句错误，此处去掉分号if((i-2)%4 == 0)if( !((i-3)%7) )if( i%9 == 5 )printf("%d\n",/**/ &i /**/); 去掉地址符号&getch();}#include <>/**/ void swap(int p1,int p2) /**/改成void swap(int *p1,int *p2){int temp;temp = *p1;/**/ p1 = p2; /**/ 改成*p1 = *p2;*p2 = temp;}void main(){int a,b;printf("please input 2 numbers:\n");scanf("%d%d",&a,&b);printf("\nOriginal: a=%d b=%d\n",a,b);swap(&a,&b);printf("\nResult: a=%d b=%d\n",a,b);getch();}#include <>void main(){int b,i;/**/ int a=c=0; /**/基本语法错误，改成int a=0,c=0;/**/ for( i=0,i<=100,i+=2 ) /**/for语句语法错误，改成for( i=0;i<=100;i+=2 ) {a+=i;b=i+1;c+=b;}printf("total of even numbers: %d\n",a);printf("total of odd numbers: %d\n",c-101);getch();}#include <>void main(){int x,y,z,i,result=520;for( x=1;x<10;x++ )for( y=1;y<10;y++ )/**/ for( z=1;z<10;z++ ) /**/z初值应为0，改成for( z=0;z<10;z++ ) {i=100*x+10*y+z+100*y+10*z+z;/**/ if (i=result) /**/逻辑关系等于应该为i==resultprintf("x=%d,y=%d,z=%d\n",x,y,z);}getch();}#include <>#define F(x) (x**x+/(x+void main(){float a=,b=,c;/**/ int s; /**/变量类型错误，改成float s;printf("\nPlease input c: ");scanf("%f",/**/ c /**/);输入列表项必须加地址&c/**/ s=F(a,b,c); /**/printf("\ns=%.2f\n",s);getch();}#include <>void main(){int f,s,t,n;printf("\nThe list is:\n");for(n=100;n<1000;n++){f=n%10; f为个位数s=(n%100)/10; s为十位数/**/t=n%100; /**/ t为百位数，应改成t=n/100;/**/if(t*t*t+s*s*s+f*f*f=n)/**/ ＝应改成＝＝printf("%d ",n);}printf("\n");getch();}第二部分：程序填空题#include <>void main(){ /**/int i;p=1;/**/ forp=p*i;getch();}#include <>void main(){int a,b,c;float f;clrscr();printf("Please input a b :");scanf("%d%d",&a,&b);f=/**/*a/b /**/;c=/**/ (int) /**/ (f*100)%10;printf("\n a/b=%f The second decimal place is: %d\n",f,c); getch();}#include <>#include <>int max,min;void find_max_min(int *p,int n){int *q;max=min=*p;for(q=p; q</**/ p+n /**/; q++)if(/**/ max<*q /**/ ) max=*q;else if(min>*q) min=*q;}void main(){int i,num[10];printf("Input 10 numbers: ");for(i=0;i<10;i++) scanf("%d",&num[i]);find_max_min(/**/ num /**/,10);printf("max=%d,num=%d\n",max,min);}#include <>void main(){int a,b,k;int plu = /**/ 403 /**/;for(a=1; a<10; a++)for(b=1; b<10; b++){k = (a*10+b) * /**/ (b*10+a) /**/ ;if(k==plu) printf("A = %d, B = %d\n",a,b);}}#include <>void main(){int n,a,b;/**/a=0;b=0;/**/scanf("%d",&n);while(/**/ n!=0 /**/){if(n>0) a++;else /**/ b++; /**/scanf("%d",&n);}printf("Positive integer: %d, negative integer: %d\n",a,b); }#include <>#include <>int prime(int n){ int k,flag=1;for(k=2; k<=n/2+1; k++)if (n%k==0) { flag=/**/ 0 /**/ ; break;}return flag;}void main(){ int num, a;clrscr();do{ printf("Please input an even number:");scanf("%d", &num);}while(num<=6||num%2==1);for(a=2;a<=num/2+1;a++)if(prime(a) && prime(/**/ num-a /**/))printf("\n %d = %d + %d ", num, a, num-a); }#include <>#include <>/**/ main() /**/{ float x,x0,f,f1;x=;do{ x0=x;f=((2*x0-4)*x0+3)*x0-6;f1=(6*x0-8)*x0+3;x=x0-f/f1;}/**/ while /**/(fabs(x-x0)>=1e-6);printf("the root is: %.2f\n",x);}#include <>main(){/**/ char /**/ str[20];int i;float x;printf("Please input a string:\n");scanf("%s",/**/ str /**/ );i=0;while(str[i]){str[i]=/**/ str[i]^15; /**/i++;}printf("\n Target string: %s\n", str);getch();}#include <>{int a[5]={20,30,45,64,23};float m;/**/ float average(int pa[],int n); /**/ m=average(a, 5 );printf("Average=%f\n",m);getch();}float average(int pa[] ,int n){ int k;float avg=;for(k=0;k<n;k++)avg=avg+/**/ pa[k] /**/;avg= avg/n;return avg;}#include <>main(){/**/ char /**/ s[80];int i;printf("Please input a string:");for(i=0;(s[i]=getchar())!='\n';i++);s[i]='\0';for(i=0;s[i]!='\0';i++){ if(s[i]>='a'&&s[i]<='z')s[i]=s[i]-32;/**/ else if /**/( s[i]>='A'&&s[i]<='Z' ) s[i]=s[i]+32;printf("%c",s[i]);}getch();}#include <>#include <>void sort(int a[], int m){ int i, j, t,swap;for( i=0; i< /**/ m-1 /**/ ; i++ ){swap = 0;for( j=0; j < m-i-1; j++){if /**/ (a[j]<a[j+1]) /**/swap = 1;t = a[j];a[j] = /**/ a[j+1] /**/;a[j+1] = t;}}if(!swap) break;}}void main(){int a[] = {23,55,8,32,18,2,9};int i,k = sizeof(a)/sizeof(int);sort(a,k);for(i=0;i<k;i++)printf("%d ",a[i]);printf("\n");getch();}#include <>#include <>int fun(/**/ float a,float b,float c /**/) {float temp;int bTrue = 0;if(a<b){ temp = a;a = b;b = temp;}if(a<c){ temp = a;a = c;c = temp;}if( fabs(/**/ a*a /**/ - (b*b + c*c)) <bTrue = 1;return bTrue;}main(){float a,b,c;printf("Please input three numbers:\n");scanf("%f%f%f",&a,&b,&c);if( fun(a,b,c) == 1)printf("Yes\n");elseprintf("No\n");getch();}#include <>main(){ int x;printf("Please input a number:\n");scanf("%d",/**/ &x /**/);printf("%d*%d=%d\n", x,x,/**/ x*x /**/); getch();}#include <>#include <>void sort(int a[], int m){ int i, j, k, t;for( i = 0; i < m-1; i++ ){ k = i;for( j=i+1; j< /**/ m /**/; j++)if( a[j] < a[k] ) /**/ k=j /**/;if( k != i ){ t = a[k];a[k]= a[i];a[i] = /**/ t /**/;}}}void main(){int a[] = {72,25,58,32,2,15,7,64};int i,m = sizeof(a)/sizeof(int);sort(a,m);for(i=0;i<m;i++)printf("%d ",a[i]);printf("\n");getch();}#include <>main(){float a,b,c,max;/**/float fmax(float x,float y,float z); /**/ printf("Please input 3 integer:\n");scanf("%f%f%f",&a,&b,&c);max=fmax(a,b,c);printf("The max number is:%.2f\n", max); getch();}float fmax(float x,float y,float z){float m,n;n=(y>z)y:z;m=/**/ (x>n)x:n; /**/return(m);}#include <>#include <>main(){int i,/**/ j /**/;int a[4][4],sum;sum=/**/0 /**/;printf("Please input 16 numbers:\n");for(i=0; i<4;i++)for(j=0;j<4;j++)scanf("%d",&a[i][j]);for(i=0;i<4;i++)/**/ sum+=a[i][0]; /**/printf("%d\n",sum);#include <>int fun(int a[],int n,/**/int q /**/){int left,right,mid;left= 0 ;right = n-1;while(left <= right){ mid= /**/(left+right)/2 /**/;if( q < a[mid] ) right = mid-1;else if( q > a[mid]) left = mid+1;else return mid;}}main(){ int a[]={3,4,6,11,17,22,31,45};int k,n;n = sizeof(a)/sizeof(int);k = fun(a,n,31);printf("%d\n",k);getch();}#include <>#include <>int fun(/**/float r /**/,float x,float y){int bIn;bIn = /**/sqrt(x*x+y*y) /**/ < r ;return bIn;}main(){float r=-1,x,y;int bIn;while(r<0){ printf("Please input radius r (r>0):\n"); scanf("%f", &r);}printf("Please input the dot(x,y):\n");scanf("%f%f",&x,&y);bIn = fun(r,x,y);if(bIn == 1)printf("in the circle!\n");elseprintf("out of the Circle!\n");getch();}#include<>/**/#include<> /**/double fun(double x){/**/return x*x-2*x+6; /**/}void main(){double x,y1,y2;printf("Please input x:");scanf("%lf",&x);y1=fun(x+8);y2=fun(/**/sin(x) /**/);printf("\nf(x+8)=%.3lf",y1);printf("\nf(sinx)=%.3lf",y2);getch();}#include<>double fun(unsigned m,unsigned n){unsigned i;double p=;for(i=1;i<=m;i++)/**/p=p*i; /**/for(i=1;i<=n;i++)/**/p=p/i; /**/for(i=1;i<=m-n;i++)p=p/i;return p;}void main(){clrscr();printf("p=%f\n",fun(13,7));getch();}#include<>int findmax(int* array,int size);void main(){int a[]={33,91,23,45,56,-12,32,12,5,90};clrscr();printf("The max is %d\n",/**/findmax(a,10) /**/); getch();}int findmax(int *array,int size){int i, /**/max=*array /**/;for(i=1; i<size; i++)if(array[i]>max) max=array[i];return max;}unsigned sum(unsigned n){unsigned i,/**/sum=0;/**/for(i=1;i<=n;i++)sum+=i;/**/return sum;/**/}void main(){int m;clrscr();printf("Please input a unsigned integer:"); scanf("%d",&m);while(m<0){printf("Please input a unsigned integer:"); scanf("%d",&m);}printf("\nThe sum is %d\n",/**/sum(m)/**/); getch();}#include<>#include<>void main(){int i,j;char str[]="1234567", /**/ k /**/;for(i=0,/**/j=strlen(str)-1 /**/;i<j;i++,j--){k=str[i];str[i]=str[j];str[j]=k;}clrscr();printf("%s\n",str);getch();}#include<>#include<>typedef struct{int num;char name[20],sex[2];int age,score;}STU;STU mystudent[]={{1111,"Zhangqiang","m",20,80},{2104,"Liminghong","w",18,82},{3121,"Wangxingda","m",21,78},{4118,"Liushaotao","m",20,90},{1456,"Wuminghong","w",35,86}};void sort(STU* ps, int size){int i,flag,pass;/**/ STU temp; /**/for(pass=1;pass<size;pass++){flag=0;for(i=0;i<size-pass;i++)if(/**/ps[i].num>ps[i+1].num /**/){flag+=1;temp=ps[i];ps[i]=ps[i+1];ps[i+1]=temp;}if(/**/flag>size /**/) break;}}void main(){int i,size=sizeof(mystudent)/sizeof(STU);clrscr();printf("Students\' information before sort:\n\n");printf("Number Name age Sex score\n\n");for(i=0;i<size;i++)printf("%-7d%s%10d\t%s%8d\n",(mystudent+i)->num, (mystudent+i)->name,(mystudent+i)->age,(mystudent+i)->sex, (mystudent+i)->score);sort(mystudent,size);printf("\nStudents\' information after sort:\n\n");printf("Number Name age Sex score\n\n");for(i=0;i<size;i++)printf("%-7d%s%5d\t %s%7d\n",(mystudent+i)->num, (mystudent+i)->name,(mystudent+i)->age,(mystudent+i)->sex,(mystudent+i)->score);getch();}#include""#define ROW 3#define COL 3void main(){int a[ROW][COL],i,j,max,min;clrscr();printf("Please input the 9 integers:\n");for(i=0;i<ROW;i++)for(j=0;j<COL;j++)scanf("%d",&a[i][j]);/**/max=min=a[0][0]; /**/for(i=0;i<ROW;i++)for(j=0;j<COL;j++){if(/**/a[i][j]>max /**/)max=a[i][j];if(a[i][j]<min)/**/min=a[i][j];/**/}printf("max=%d\n",max);printf("min=%d\n",min);getch();}#define N 5#include<>void main(){int t=0,/**/s=0/**/,i;for(i=1;i<=N;i++){t=/**/t*10+i /**/;s+=t;}clrscr();printf("\ns=%d\n",s);getch();}#include<>long fib(int n);void main(){int k;clrscr();printf("The first 15 data of Fibonacci is:\n\n"); for(k=1;k<=15;k++)printf("%d ",fib(k));printf("\n");getch();}long fib(int n){if(n==1||n==2)/**/ return 1; /**/elsereturn /**/fib(n-1)+fib(n-2) /**/;}#include <>main(){struct stu{char name[10];float score;};/**/struct stu /**/ stu[3]={"Mary",76,"John",85,"Tom",81}; int i=0;float total=0,aver=0;while(i<3){total=total+/**/stu[i].score /**/;i++;}aver=total/3;printf("\ntotal=%.2f,aver=%.2f", total,aver);getch();}#include <>main(){int i,a[10]={9,26,35,8,6,19,69,3,5,95};int min1,min2;i=0;min1=a[0]<a[1]a[0]:a[1];min2=a[0]>a[1]/**/a[0]:a[1]; /**/for(i=2;i<10;i++){if(a[i]<min1){min2=min1;min1=a[i];}else if(a[i]<min2)/**/min2=a[i]; /**/}printf("min1=%d,min2=%d\n", min1,min2);getch();}#include <>main(){double x,y;/**/double mysqrt(double a,double x0); /**/ printf("Please input x:\n");scanf("%lf",&x);y=mysqrt(x,;printf("The sqrt of %f=%f\n",x,y);getch();}double mysqrt(double a,double x0){double x1,y;x1=/**/2*(x0+a/x0); /**/if(fabs(x1-x0)>y=mysqrt(/**/a,x1/**/);elsey=x1;return(y);}第三部分：程序设计题#include <>#include <>double fun1(double x){ /**/return (1+sin(x)+exp(x))/(1+x);/**/}void main(){clrscr();printf("fun1 = %\n", fun1);printf("fun1 = %\n", fun1);printf("fun1 = %\n", fun1);}#include <>#include <>#include <>#include <>int fun2(int a[],int n,int b[],int c[]){/**/int i,j,t,k=0;for(i=0;i<n;i++)if(a[i]>-20)b[k++]=a[i];for(i=0;i<k;i++)c[i]=b[i];for(i=0;i<k;i++)for(j=0;j<k-i;j++)if(c[j]>c[j+1]){t=c[j];c[j]=c[j+1];c[j+1]=t;}return k;/**/}void main(){ int n = 10, i, nb;int aa[10] = {12, -10, -31, -18, -15, 50, 17, 15, -20, 20}; int bb[10], cc[10];clrscr();printf("There are %2d elements in aa.\n", n);printf("They are: ");for(i=0; i<n; i++) printf("%6d", aa[i]);printf("\n");nb = fun2(aa, n, bb, cc);printf("Elements in bb are: ");for (i=0; i<nb; i++) printf("%6d", bb[i]);printf("\n");printf("Elements in cc are: ");for(i=0; i<nb; i++) printf("%6d", cc[i]);printf("\n");printf("There are %2d elements in bb.\n", nb);}#include <>#include <>double fun1(double x){ /**/return (exp(x)+fabs(x-6))/(x+;/**/}void main(){clrscr();printf("fun1 = %\n", fun1);printf("fun1 = %\n", fun1);printf("fun1 = %\n", fun1);}#include <>#include <>#include <>#include <>void fun2(char a[],char b[],char c[]){/**/char t[15];if(strcmp(a,b)>0){strcpy(t,a);strcpy(a,b);strcpy(b,t);}if(strcmp(a,c)>0){strcpy(t,a);strcpy(a,c);strcpy(c,t);}if(strcmp(b,c)>0){strcpy(t,b);strcpy(b,c);strcpy(c,t);}/**/}void main(){ char str1[15]="Fuzhou",str2[15]="Fujian",str3[15]="China"; clrscr();fun2(str1,str2,str3);printf("The ordered strings is : %s, %s, %s\n",str1,str2,str3); getch();}#include <>#include <>double fun1(float x){/**/if(x<5) return exp(x)+;else if(x==5) return ;else return (sin(x)/(2*x);/**/}void main(){float x;clrscr();printf("Please input a number:\n");scanf("%f",&x);y = fun1(x);printf("fun1(%.2f)=%.2f\n",x,y);getch();}#include <>#include <>void main(){int fun();int num;num=fun();printf("\nThe total of prime is %d",num); getch();}int fun(){/**/int m,i,k,n=0;for(m=101;m<=200;m=m+2){k=sqrt(m);for(i=2;i<=k;i++)if(m%i==0)break;if(i>=k+1)n++;}return n;/**/}#include <>#include <>double f(float x){/**/if(x>0) return (fabs(x)+/(sin(x)+2);else return 0;/**/}void main(){float x;printf("Please input a number: \n");scanf("%f",&x);y = f(x);printf("f(%.3f)=%.3f\n",x,y);getch();}#include <>#include <>void fun(int a[],int m){/**/int i;a[0]=a[1]=1;for(i=2;i<m;i++)a[i]=a[i-1]+a[i-2];/**/}void main(){int a[20],i;fun(a,20);for(i=0; i<20; i++)printf("%d ",a[i]);printf("\n");getch();}#include <>#include <>double f(float x){/**/if(fabs(x)<700)return sqrt+fabs(x))/(cos(x)+; else return -1;/**/}void main(){float x;double y;printf("Please input a number: \n");scanf("%f",&x);y = f(x);printf("f(%=%\n",x,y);}#include <>#include <>int fun(int a[][3],int m) {/**/int i,j,flag=1;for(i=0;i<m;i++)for(j=0;j<m;j++)if(a[i][j]!=a[j][i]){flag=0;break;}if(flag)return 1;else return 0;/**/}void main(){int a[3][3],i,j;int b;for(i=0; i<3; i++)for(j=0; j<3; j++)scanf("%d",&a[i][j]);b = fun(a,3);if( b == 1 )printf("Yes\n");elseprintf("No\n");getch();}#include <>#include <>double f(float x){/**/double y;if(x<2)y=x;else if(x<5)y=3-tan; else y=3*log10(x)-11; return y;/**/}void main(){double y;clrscr();printf("Please input x :\n");scanf("%f",&x);y = f(x);printf("f(%.2f)=%.2f\n",x,y);getch();}#include <>#include <>char fun(float f){/**/float c;c=9*(f-32);if(c<0) return 'W';else if(c<25) return 'B';else if(c<35) return 'O';else return 'R';/**/}void main(){float f;char code;printf("\nPlease input the Fahrenheit temperature: "); scanf("%f",&f);code=fun(f);printf("\n%c\n",code);getch();}#include <>#include <>double f(float x){/**/float y;if(x<=1600)y=0;else if(x<=2100)y=(x-1600)*;else if(x<=3100)y=(x-1600)*;else y=(x-1600)*;return y;/**/}void main(){float x;double y;clrscr();printf("Please input a number:\n");scanf("%f",&x);y = f(x);printf("f(%.2f)=%.2f\n",x,y);getch();}#include<>#define ROW 4#define COL 4int fun(int a[][COL],int row,int b[]){/**/int i,j,k=0;int sum=0;for(i=0;i<row;i++)for(j=0;j<COL;j++){if(a[i][j]>0)b[k++]=a[i][j];if(a[i][j]==0)break;}for(i=0;i<k;i++)sum=sum+b[i];return sum;/**/}void main(){int sss=0, b[16]={0};int a[ROW][COL]={{1,2,-3,-4},{0,-12,-13,14},{-21,23,0,-24},{-31,32,-33,0}}; clrscr();sss=fun(a,ROW,b);printf("Sum of positive elements is %d\n",sss);getch();}#include <>#include <>double f(float x){/**/if(x<=0)return (x+2)*exp(x);else return (x+2)*log(2*x);/**/}void main(){float x;double y;printf("Please input a number:\n");scanf("%f",&x);y = f(x);printf("f(%.3f)=%.3f\n",x,y);getch();}#include <>#include <>void f(char p[][20],int n);void main(){int i;char p[][20]={"abc","xabdfg","abbd","dcdbe","cd"}; f(p,5);clrscr();for(i=0;i<5;i++)printf("%s\n",p[i]);getch();}void f(char p[][20],int n){/**/int i,j;char t[20];for(i=0;i<n;i++)for(j=0;j<n-i;j++)if(strcmp(p+j,p+j+1)>0){strcpy(t,p+j);strcpy(p+j,p+j+1);strcpy(p+j+1,t);}/**/}#include <>#include <>。