PAT乙级1086 就不告诉你 (15 分)

Posted 2021-08-11 辉小歌

题目地址

#include<cstdio>
#include<iostream>
#include<cmath>
#include<map>
#include<algorithm>
#include<string>
using namespace std;
int main(void)
{
	int a,b; cin>>a>>b;
	string s=to_string(a*b);
	reverse(s.begin(),s.end());
	while(s.size()&&s[0]=='0') s=s.substr(1);
	cout<<s<<endl;
	return 0;
}