Submission

Score: 100

User: Peam

Problemset: เลขหลักของผลคูณ

Language: c

Time: 0.002 second

Submitted On: 2025-10-08 20:36:05

#include <stdio.h>

int main(){
    int n1, n2, pos;
    //printf("A = ");
    scanf("%d", &n1);
    //printf("B = ");
    scanf("%d", &n2);
    //printf("x = ");
    scanf("%d", &pos);

    char string[50];
    sprintf(string, "%d", n1 * n2);

    int valid;
    for(int i = 0; i < 10; i++){
        if(string[pos - 1] == i + '0'){
            valid = 1;
            break;
        }
        else{
            valid = 0;
        }
    }

    if(valid){
        printf("%c", string[pos - 1]);
    }
    else{
        printf("_");
    }


    return 0;
}