Submission

Score: 100

User: KanemiyaKana

Problemset: เลขหลักของผลคูณ

Language: cpp

Time: 0.002 second

Submitted On: 2026-09-25 15:06:37

#include <iostream>
#include <string>
using namespace std;

string digitvalue(int a, int b, int x)
{
    int timed = a * b;
    string strtimed = to_string(timed);
    string returnvalue = "";
    for (int i = 0; i < 10000 - strtimed.length(); i++)
    {
        strtimed += " ";
    }

    if (strtimed[x - 1] == ' ')
    {
        return "_";
    }
    else
    {
        returnvalue = strtimed[x - 1];
        return returnvalue;
    }
}

int main()
{
    int input1;
    int input2;
    int input3;
    cin >> input1;
    cin >> input2;
    cin >> input3;

    if (input1 > 100000 || input2 > 100000 || input3 > 100000)
    {
        return 0;
    }
    else
    {
        string output = digitvalue(input1, input2, input3);
        cout << output;
    }
}