https://pintia.cn/problem-sets/994805342720868352/problems/994805347145859072
就是简单的模拟即可。
#include<bits/stdc++.h>
using namespace std;
bool solve(string s)
{
int len=s.size();
int a=stoi(s.substr(0,len/2));
int b=stoi(s.substr(len/2));
int sum=stoi(s);
if(a*b==0) return false;
if(sum%(a*b)) return false;
return true;
}
int main(void)
{
int t; cin>>t;
while(t--)
{
string s; cin>>s;
if(solve(s)) puts("Yes");
else puts("No");
}
return 0;
}