云南大学软件学院C语言知识所有实验代码.

第二次试验///第三次试验=====================程序============================#include<stdio.h>int main(){/*十进制*/printf("%d\n",3+4*6);printf("%d\n",3*4/6+6);printf("%d\n",2*3/12*8/4);printf("%d\n",10*(1+7*3));printf("%d\n", 20-2/6+3);printf("%d\n", 20-2/(6+3));printf("%d\n", (20-2)/6+3);printf("%d\n", (20-2)/(6+3));/*9－16显示为小数，保留小数2位，宽度为8*/printf("%8.2f\n",3.0+4.0*6.0);printf("%8.2f\n",3.0*4.0/6.0+6.0);printf("%8.2f\n",2.0*3.0/12.0*8.0/4.0);printf("%8.2f\n",10.0*(1.0+7.0*3.0));printf("%8.2f\n",20.0-2.0/6.0+3.0);printf("%8.2f\n",20.0-2.0/(6.0+3.0));printf("%8.2f\n",(20.0-2.0)/6.0+3.0);printf("%8.2f\n",(20.0-2.0)/(6.0+3.0));/*17－20显示为字符*/printf("%c\n", 'm' - 5);printf("%c\n", 'm' + 5);printf("%c\n", 'G' + 6);printf("%c\n", 'G' - 6);/*21－23显示为十进制整数*/printf("%d\n", 'b' - 'a');printf("%d\n", 'g' - 'a' + 1);printf("%d\n", 'g' - 'a' + 1);}=======================运行结果=====================================================================程序==========================#include<stdio.h>int main (){float Cel,Fah;printf("print a Fah number：");scanf("%f",&Fah);Cel=5.0/9.0*(Fah-32);printf("The Cel number is%f\n",Cel);printf("print a Cel number：");scanf("%f",&Cel);Fah=32+9.0*Cel/5.0;printf("The Fah number is:%f \n",Fah);return 0;}============================运行结果=========================第四次试验************************************（1）程序********************************** #include<stdio.h>int main(){int num1,num2,num3,max,min;printf("please input three numbers:\n");scanf("%d %d %d",&num1,&num2,&num3);max=(num1>num2)?num1:num2;min=(num1<=num2)?num1:num2;max=(num3>max)?num3:max;min=(num3<min)?num3:min;printf("max = %d min = %d",max,min);return 0;}**************************************运行结果***********************************************************************（2）程序********************************* #include <stdio.h>int main(){int a;float profit,income;printf("Please input the profit:");scanf("%f",&profit);a=(profit-1)/100000;switch(a){case 0:income=profit/10;break;case 1:income=(profit-100000)*0.075+10000;break;case 2:case 3:income=(profit-200000)*0.05+10000+7500;break;case 4:case 5:income=(profit-400000)*0.03+10000+7500+10000;break;case 6:case 7:case 8:case 9:income=(profit-600000)*0.01+10000+7500+10000+6000;break;case 10:income=(profit-1000000)*0.01+10000+7500+10000+6000+6000;}printf("奖金数值为：%f\n",income);return 0;}************************************运行结果******************************************************************（3）程序**************************** /*百马百担问题*/#include <stdio.h>int main (){int A,B,C;printf("百马百担的解为：\n");printf("大中小\n");for (A = 0; A <= 33; A++){for (B = 0; B <= 50; B++){C = 100 - A - B;if (3*A + 2*B + C/2.0 == 100)printf("%-2d %-2d %-2d \n",A,B,C);}}return 0;}********************************运行结果*************************************************************（4）程序**************************** ************************************（5）程序********************************** //关于菱形的第一种算法//#include <stdio.h>int main(){int i,j,k;printf("请输入最长行的数字，为奇数k：");scanf("%d",&k) ;for (i=1;i<=k;i++){for(j=1;j<=k;j++){if((j+i)>=(k+1)/2+1&&(i+j)<=(k+1)*3/2-1&&i-j<=(k+3)/2-2& &j-i<=(k+3)/2-2)printf(" *");elseprintf(" ");}printf("\n");}return 0;}//第二种算法///#include <stdio.h>int main(){int K,X,C,N;printf("num=");scanf("%d",&N);for(C=1;C<=(N+1)/2;C++){for(K=1;K<=(N+1)/2-C;K++)printf(" ");for(X=1;X<=2*C-1;X++)printf(" *");printf("\n");}for(C=(N+3)/2;C<=N;C++){for(K=1;K<=C-(N+1)/2;K++)printf(" ");for(X=1;X<=2*N+1-2*C;X++)printf(" *");printf("\n");}}************************运行结果***************************************第5/6次试验*********************************（1）程序*********************************** 第7次试验**********************************（1）程序********************************** #include <stdio.h>int main(){int i,j,n;printf("input a number");scanf("%d",&n);int a[n][n];printf("\n");for(i=0;i<n;i++){a[i][0]=1;a[i][i]=1;}for (i=2;i<n;i++)for(j=1;j<i;j++)a[i][j]=a[i-1][j-1]+a[i-1][j];for(i=0;i<n;i++){for(j=0;j<=i;j++)printf("%5d",a[i][j]);printf("\n");}}*********************************************运行结果*********************************************************************（2）程序**************************** 方法一：#include <stdio.h>int main (){int i;int fb[12]={1,1};for(i=2;i<12;i++){fb[i]=fb[i-1]+fb[i-2];printf("第%d个月共有兔子%d只\n",i+1,fb[i]*2);}return 0;}*****************************运行结果*********************************************************************************方法二：#include <stdio.h>int main(){long f1,f2;int i;f1=f2=1;for(i=1;i<=20;i++){printf("%12ld%12ld",f1,f2);if(i%2==0)printf("\n");f1=f1+f2;f2=f1+f2;}return 0;}************************************运行结果******************************************************************（3）程序**************************************** #include<stdio.h>#define num 10int num1(int [],int);int num2(int [],int);int main(){void sort1 (int num1[],int n);void sort2 (int num2[],int n);int a[num], c[num],i,moves,j;printf("enter array here:\n");for(i=0;i<10;i++){j=i;scanf("%d",&a[i]);c[j]=a[i];}printf("the sorted array :\n");sort1(a,num);printf("the sorted array :\n");sort2(c,num);return 0;}void sort1(int num1[],int n){int i,j,temp,b;for(i=0;i<n-1;i++){for(j=1;j<n;j++){if(num1[j]<num1[j-1]){temp=num1[j];num1[j]=num1[j-1];num1[j-1]=temp;}}for(b=0;b<n;b++)printf("%5d",num1[b]);printf("\n");}}void sort2(int num2[],int n){int i,j,min,minidx,temp,b;for(i = 0;i<n-1;i++){min = num2[i];minidx = i;for(j = i+1;j<n;j++){if (num2[j]<min){min = num2[j];minidx = j;}} for(b=0;b<n;b++)printf("%5d",num2[b]);printf("\n");if (min < num2[i]){temp = num2[i];num2[i] = min ;num2[minidx] = temp;}}}******************************运行结果***********************************************************************（4）程序************************************* #include <stdio.h>#define N 10int brnarysearch(int [],int,int);int main(){int nums[N]={1,5,8,9,12,23,45,56,67,99};int item,location;printf("Enter the item you are searching for");scanf("%d",&item);location=brnarysearch(nums,N,item);if(location > -1)printf("The item was found at index location %d\n",location);elseprintf("The item was not found in the list\n");return 0;。