实验三 循环语句

/* 编程找出5个整数的最大数和最小数 */ 

#include <stdio.h>
#include <stdlib.h>
int main() {
    int number, max, min, n;
    
    n=1;
    printf("输入第%d个数: ", n);
    scanf("%d", &number);
    max = number;
    min = number;
    
    while(n<=4) {
        n++;
        printf("输入第%d个数: ", n);
        scanf("%d", &number);    

        if(max<=number)
            max = number;
        else if(min>=number)
            min = number;
    }
    
    printf("最大数为: %d\n", max);
    printf("最小数为: %d\n", min);
    
    system("pause");
    
    return 0;
} 

#include<stdio.h>
#include<math.h>
int main(){
    int i,n,m;
    int sum=0;
    for(n=101;n<=200;n++){
        m=sqrt(n);
        for(i=2;i<=m;i++){
            if(n%i==0){
            break;
            }
        } 
        if(i>m){
            printf("%5d",n);
            sum++; 
            if(sum%5==0)
                printf("\n");
        } 
    }
        printf("\n");
        printf("  101~200之间共有%d个素数.\n",sum);
        return 0;    
    }

#include<stdio.h>
int main(){
    long int s;
    long int t=0,m;
    int sign=1;
    printf("Enter a number:");
    scanf("%ld",&s);
    while(s!=0){
        if(s%2==1){
            m=s%10;
            t=t*10+m;
            s=s/10;
        }
        else
            s=s/10;
        
    }
    int x,y=0;
    while(t!=0){
        x=t%10;
        y=y*10+x;
        t=t/10;
    }
    printf("New number is:%ld",y);
    return 0;
} 

#include<stdio.h>
 int main(){
     float n,a;
    float y,i;
     float s=0;
     printf("Enter n and a:");
     scanf("%f %f",&n,&a);
     y=a;
     for(i=1;i<=n;i++){
        s=s+i/y;
        y=y*10+a;
     }
     printf("s = %f",s);
     return 0;
     
 }