hdu 2040 亲合数

#include"iostream"

#include"stdio.h"

#include"algorithm"

using namespace std;

int main()

{

int num;

int i,a,b,sum_a,sum_b;

scanf("%d",&num);

while(num--)

{

sum_a=0;

sum_b=0;

scanf("%d%d",&a,&b);

for(i=1;i

{

if(a%i==0)

sum_a+=i;

}

for(i=1;i

{

if(b%i==0)

sum_b+=i;

}

if(sum_a==b && sum_b==a)

printf("YES\n");

else printf("NO\n");

}

   getchar();getchar();

    return 0;

}