sgu 113 Nearly prime numbers

#include <stdio.h>#include <string.h>#include <math.h>using namespace std;int n,c[11];int main(){    while(scanf("%d",&n)!=EOF)    {        int i,j,k,m,t;        for(i=0;i<n;i++)        {            scanf("%d",&m);            t=0;            for(j=2;j*j<=m;j++)                if(m%j==0)                    t++;            if(t==1)                printf("Yes\n");            else                printf("No\n");        }    }    return 0;}