c++问题求源代码。。。

Question

c++输入一个正整数如果他是素数,就输出。如果它不是素数,找出大于他的最小素数输出，求大佬告知。。。

Answer 1

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Answer 2

#include<stdio.h>int main() {    int n;    bool b = true;    printf("input a integer:");    scanf("%d", &n);    for(int i = 2; i <= n/2+1; ++i)    {        if((n % i) == 0)        {            printf("%d不是素数，", n);            printf("最小的除数为:%d\n",i);            b = false;            break;        }    }    if(b)    {        printf("%d是素数\n", n);    }    return 0;}