Submission

Score: 0

User: bestisyis...programming

Problemset: ผลรวมของเลขหลัก

Language: cpp

Time: 0.005 second

Submitted On: 2026-10-06 22:21:20

#include <iostream>
#include <algorithm>
#include <string>
using namespace std;
int main(){
	int A,B,x;
	cin >> A;
	cin >> B;
	cin >> x;
	int prod=A*B;
	string result;
	do{
		result = result+(char)('0'+prod%10);
		prod=prod/10;
	}while(prod);
	
	reverse(result.begin(),result.end());
	if(x<=result.length() && x>=1) cout << result[x-1];
	else cout << '_';
	return 0;
}