Submission

Score: 0

User: TonnamSora

Problemset: ลูกเต๋า

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-02 19:26:42

#include <stdio.h>
#include <math.h>
#include <string.h>

int main(){
    char a[21];
    int x[256];
    scanf("%s", a);
    for(int i = 0; i < 256; i++){
        x[i] = 0;
    }
    int len = strlen(a);
    for(int i = 0; i < len; i++){
        x[(int)a[i]]++;
    }
    for(int i = 0; i < 256; i++){
        if(x[i] == 1){
            printf("%c", i);
            return 0;
        }
    }
}