Submission

Score: 100

User: Phupa

Problemset: ตัวอักษรตัวแรกในคำ

Language: cpp

Time: 0.002 second

Submitted On: 2025-10-08 08:19:39

#include<bits/stdc++.h>
#include<string>
using namespace std;
int main()
{
    string str;
    cin>>str;
    int len=str.length(),AZ[26]={0},i,j;
    for (i = 0;i < len;i++)
    {
        for(j = 0;j < 25;j++)
        {
            if (str[i]==65+j)
                AZ[j]++;
        }
    } 
    for(j = 0;j < 25;j++)
        {
            if (AZ[j]==1)
            {
                cout<<(char)(j+65);
                return 0;
            } 
        }
}