#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(number>n)
max = number;
else if(number<n)
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 isprime(int n); int main() { int i,n; n=0; for(i=101;i<=200;i++) { if(isprime(i)) { printf("%4d",i); n++; if(n%5==0) printf("\n"); } } return 0; } int isprime(int n) { int k; for(k=2;k<=sqrt(n);k++) if(n%k==0) return 0; return 1; }
#include<stdio.h> #include<math.h> int main() { long int number; int i,n,s; s=0,n=0; printf("Enter a number :
"); scanf("%ld",&number); for(;number!=0;) { i=number%10; number=number/10; if (i%2!=0) { n++; s+=pow(10,n)*i; } } printf("new number is : %ld",s/10); return 0; }
对循环语句运用不熟练，仍要多加练习，算法要想半天
原文：https://www.cnblogs.com/zfdo/p/11871282.html