c语言上机实验完整答案

c语言上机实验完整答案实验一自测练习1程序代码#include"stdio.h"void main(){int x;scanf("%d",&x);if (x%2 !=0)printf("%d is an odd\n",x); elseprintf("%d is an even\n",x); }运行结果自测练习2程序代码#include"stdio.h"void main(){int i,sum;i=1;sum=0;while (i<=100){sum=sum+i;i++;}printf("sum=%d\n",sum); }运行结果自测练习3程序代码#include"stdio.h" void main(){int i,n; long p;p=1;printf("Enter n:"); scanf("%d",&n);for (i=1;i<=n;i++)p=p*i;printf("p=%ld\n",p); }运行结果自测练习4程序代码#include"stdio.h"int max(int x,int y){int z;if (x>y) z=x;else z=y; return(z);}void main(){int a,b,c;scanf("%d,%d",&a,&b);c=max(a,b);printf("max=%d\n",c); }运行结果自测练习5程序代码#include"stdio.h"void main(){int x,y;for(x=0;x<=25;x++)for(y=0;y<=50;y++)if(4*x+y*2==100)printf("兔=%d，鸡=%\n",x,y);}运行结果#include(stdio.h)void main(){int a=5;double x;printf("%d %d",sizeof(int),sizeof(a)); printf("%d %d",sizeof(double),sizeof(x));printf("%d %d\n",sizeof(float),sizeof(char)); }实验二自测练习一程序代码#include(stdio.h)void main(){int a=5;double x;printf("%d %d",sizeof(int),sizeof(a));printf("%d %d",sizeof(double),sizeof(x)); printf("%d %d\n",sizeof(float),sizeof(char)); }运行结果自测练习二程序代码#include(stdio.h)void main(){int a=5;printf ("%d %d\n",a,a++);}运行结果自测练习三程序代码#include(stdio.h)void main(){int a,b,c;a=1;b=2;c=3;printf("%d\n\t%d%d\n%d%d\t\b%d\n",a,b,c,a,b,c); }运行结果实验三程序代码#include<stdio.h>void main(){ int x,h,y,m,s;printf("input x: ");scanf("%d",&x);h=x/3600;y=x%3600;m=y/60;s=y%60;printf("%d小时%d分钟%d秒",h,m,s); }程序代码#include<stdio.h>void main(){char a,b,c;printf("input x: ");b=getchar();a=b-1;c=b+1;printf("%c,%c,%c,",a,b,c); }程序代码#include<stdio.h>#include<math.h>void main(){int x;printf("input: ");scanf("%d",&x);printf("八进制:%o",x); printf("十六进制:%x",x);}运行结果程序代码#include<stdio.h>#define p 3.1415926 void main(){float r,h,v;printf("输入r: "); scanf("%f",&r); printf("输入h: "); scanf("%f",&h);v=p*r*r*h;printf("v=%f",v); }运行结果程序代码#include<stdio.h>#include<math.h>void main(){float x,y,z,w;printf("本金x,存款年限y,年利率z\n"); scanf("%f,%f,%f",&x,&y,&z);w=x*y*z;printf("利息=%lf\n",w);}运行结果实验四自测一程序代码#include"stdio.h"void main(){int A,B,C,D;int a=0,b=1,c=1,d=3;A=a*b&&c-d;B=c-d&&a*b;C=--a||++b&&--c;D=++b&&--c||--a;printf("%d,%d,%d,%d,%d\n",A,B,C,D); }运行结果自测二程序代码#include<stdio.h>void main(){int a,b,c,t,n;scanf("%d,%d,%d",&a,&b,&c);if(b>a){t=a;a=b;b=t;};if(c>b){n=b;b=c;c=n;};printf("a=%d,b=%d,c=%d\n",a,b,c); }运行结果自测三程序代码#include"stdio.h"#include"string.h"void main(){char s[6];int a,b,c,d,A,a1,b1,c1,d1;printf("输入一个小于六位的数\n");scanf("%s",&s);printf("%d\n",strlen(s));printf("再次输入这个数\n");scanf("%d",&A);a=A/10000; a1=A-a*10000;b=a1/1000;b1=a1-b*1000;c=b1/100;c1=b1-c*100;d=c1/10;d1=c1-d*10;if(a!=0)printf("%d%d%d%d%d",d1,d,c,b,a);else{if(b!=0)printf("%d%d%d%d",d1,d,c,b);else{if(c!=0)printf("%d%d%d",d1,d,c);else{if(d!=0)printf("%d%d",d1,d);elseprintf("%d",d1);}}}}运行结果自测四程序代码#include<stdio.h>void main(){int n,i=0,h;printf("input a number\n");scanf("%d",&n);h=n-7*i;while(h>7){i=i+1;h=n-7*i;}switch(h){case 1: printf("星期一\n"); break ;case 2: printf("星期二\n"); break ;case 3: printf("星期三\n"); break ;case 4: printf("星期四\n"); break ;case 5: printf("星期五\n"); break ;case 6: printf("星期六\n"); break ;case 7: printf("星期日\n"); break ;}}运行结果自测五程序代码#include<stdio.h>void main(){int a,s,w;printf("input the weight of thing and s \n");scanf("%d,%d",&a,&s);if(a<=15)printf("收费为5元\n");if(a>15&&a<=30)printf("收费9元\n");if(a>30&&a<=45)printf("收费12元\n");if(a>45&&a<=60){if(s<1000)printf("收费14元\n"); else{ w=14+s/1000;printf("收费%d元\n",w); }}if(a>60){if(s<1000)printf("收费15元\n"); else{w=15+2*(s/1000);printf("收费%d元\n",w); }}}运行结果自测练习五实验1程序代码#include<stdio.h>void main (){int i,j=1,a,b,c,d,e;for(i=10000;i<=99999;i+=5){ a=i/10000;b=i%10000/1000;c=i%1000/100;d=i%100/10;e=i%10;if (a+b+c+d+e==9)j=j+1;}printf("这样的五位数有%d个\n",j-1); }运行结果实验2程序代码#include<stdio.h> void main (){char a;int i;for (i=1;;i++){a=getchar();if(a=='\n') break;switch(a){case '0':printf(" zero ");break;case '1':printf(" one ");break; case '2':printf(" two ");break; case '3':printf(" three ");break; case '4':printf(" four ");break; case '5':printf(" five ");break; case '6':printf(" six ");break; case '7':printf(" seven ");break; case '8':printf(" eight ");break; case '9':printf(" nine ");break;}}}运行结果实验3程序代码#include<stdio.h> void main (){int i,j,s=0,a=0,n; printf("Input n :"); scanf("%d",&n);for (i=1;i<=n;i++) {for(j=1;j<=i;j++) a=a+j;s=s+a;a=0;}printf("s=%d\n",s); }运行结果实验4程序代码#include<stdio.h>void main (){int i,j,a=0;for (i=10;i<=1000;i++){for(j=1;j<i;j++)if (i%j==0) a=a+j;if (i==a) printf("i=%d\n",i); a=0;}getchar();getchar();}运行结果实验5程序代码#include<stdio.h>void main (){int i,j=1;for (i=1;i<6;i++){j=(j+1)*2;}printf("一共摘了%d只桃子",j); getchar();getchar();}运行结果实验六——11程序代码#include<stdio.h>void as(float a[8]){int i;float s=0.00;for(i=0;i<8;i++)s+=a[i];printf("8个数的和为%f\n",s);printf("8个数的平均数为%f\n",s/8);}void main(){int j;float b[8];printf("输入8个浮点数\n"); for(j=0;j<8;j++)scanf("%f",&b[j]);as(b);}程序代码2程序代码#include<stdio.h>void as(long b[],long m ); void main(){long i,j,n,g=0;long a[1000];for(i=2;i<1000;i++){n=0;for(j=1;j<i;j++){if(i%j==0)n=n+1;}if(n-1==0){a[g]=i;g++;}}as(a,g);}void as(long b[],long m ){long i,j,s,N;for(N=6;N<1000;N+=2)for(i=0;i<m;i++){s=0;for(j=0;j<m;j++){s=b[i]+b[j];if(s==N){printf("%d符合歌德巴赫猜想\n",N); break;}}if(s==N) break; }}运行结果4程序代码#include<stdio.h>int y(int k);void main(){int a,b,c;printf(" 年月日\n");scanf("%d %d %d",&a,&b,&c);if(y(a)==0){switch(b){case 1:printf("这是该年中的第%d天\n",c); break;case 2:printf("这是该年中的第%d天\n",31+c); break;case 3:printf("这是该年中的第%d天\n",59+c); break;case 4:printf("这是该年中的第%d天\n",90+c); break;case 5:printf("这是该年中的第%d天\n",120+c); break;case 6:printf("这是该年中的第%d天\n",151+c); break;case 7:printf("这是该年中的第%d天\n",181+c); break;case 8:printf("这是该年中的第%d天\n",212+c); break;case 9:printf("这是该年中的第%d天\n",243+c); break;case 10:printf("这是该年中的第%d天\n",273+c); break;case 11:printf("这是该年中的第%d天\n",304+c); break;case 12:printf("这是该年中的第%d天\n",334+c); break;}}if(y(a)==1){switch(b){case 1:printf("这是该年中的第%d天\n",c);break;case 2:printf("这是该年中的第%d天\n",31+c);break;case 3:printf("这是该年中的第%d天\n",60+c);break;case 4:printf("这是该年中的第%d天\n",91+c);break;case 5:printf("这是该年中的第%d天\n",121+c);break;case 6:printf("这是该年中的第%d天\n",152+c);break;case 7:printf("这是该年中的第%d天\n",182+c);break;case 8:printf("这是该年中的第%d天\n",213+c);break;case 9:printf("这是该年中的第%d天\n",244+c);break;case 10:printf("这是该年中的第%d天\n",274+c);break;case 11:printf("这是该年中的第%d天\n",304+c);break;case 12:printf("这是该年中的第%d天\n",335+c);break;}}}int y(int k){if(k%4==0&&k%100!=0||k%400==0) return 1;elsereturn 0;}程序代码2程序代码#include<stdio.h>void as(long b[],long m ); void main(){long i,j,n,g=0;long a[1000];for(i=2;i<1000;i++){n=0;for(j=1;j<i;j++){if(i%j==0)n=n+1;}if(n-1==0){a[g]=i;g++;}}as(a,g);}void as(long b[],long m ) {long i,j,s,N;for(N=6;N<1000;N+=2) for(i=0;i<m;i++){s=0;for(j=0;j<m;j++){s=b[i]+b[j];if(s==N){printf("%d符合歌德巴赫猜想\n",N); break;}}if(s==N)break;}3#include<stdio.h> void zsx(int b[],int k); void main(){int i,j,n=0,g=0;int a[50];for(i=10;i<50;i++) {n=0;for(j=2;j<i;j++)if(i%j==0)n=n+1;if(n==0){a[g]=i;g++;}printf("两位数的绝对素数有：\n"); zsx(a,g);}void zsx(int b[],int k){int i,a,h,j,n=0;int c[50];for(i=0;i<=k;i++){ a=b[i]/10;h=b[i]%10;c[i]=h*10+a;}for(i=0;i<=k;i++){for(j=2;j<c[i];j++)if(c[i]%j==0)n=n+1;if(n==0)printf("%d ",c[i]);}printf("\n");}#include<stdio.h>int y(int k);void main(){int a,b,c;printf(" 年月日\n");scanf("%d %d %d",&a,&b,&c);if(y(a)==0){switch(b){case 1:printf("这是该年中的第%d天\n",c); break;case 2:printf("这是该年中的第%d天\n",31+c); break;case 3:printf("这是该年中的第%d天\n",59+c); break;case 4:printf("这是该年中的第%d天\n",90+c); break;case 5:printf("这是该年中的第%d天\n",120+c); break;case 6:printf("这是该年中的第%d天\n",151+c); break;case 7:printf("这是该年中的第%d天\n",181+c); break;case 8:printf("这是该年中的第%d天\n",212+c); break;case 9:printf("这是该年中的第%d天\n",243+c); break;case 10:printf("这是该年中的第%d天\n",273+c); break;case 11:printf("这是该年中的第%d天\n",304+c); break;case 12:printf("这是该年中的第%d天\n",334+c); break;}}。