Question

判断一个整数w的各位数字平方之和能否被5整除,

Answer 1

#include

int solve (int m)

{

int ans = 0;

while(m) {

ans += (m%10)*(m%10);

m /= 10;

}

if(ans%5 ==0) return 1;

else return 0;

}

int main()

{

int m;

while(scanf("%d",&m) == 1)

printf("%dn",solve(m) );

}