Suuremmat

#include<bits/stdc++.h>

using namespace std;

char v[1024][32];

int main(int argc, char *argv[]){
    int t;
    cin >> t;

    for(int i = 0; i < t; i++){
        cin >> v[i];
    }

    for(int i = 0; i < t; i++){
        int w = 0; // width

        bool smaller = false; // has smaller digits than first one
        bool bigger = false; // has bigger digist than first one

        char *string = v[i];
        int b = *string; // first digit

        char *t = string;
        for(;*t;t++){
            w++;
            if(*t < b) smaller = true;
            else if(!smaller && *t > b) bigger = true;
        }

        if(b != '9'){
            if(!smaller || bigger) b++;
            for(int ii = 0; ii < w; ii++) string[ii] = b;
        }else{
            if(smaller){
                for(int ii = 0; ii < w; ii++) string[ii] = b;
                
            }else{
                for(int ii = 0; ii < w + 1; ii++) string[ii] = '1';
                string[w + 1] = 0;
            }

        }
        cout << string << '\n';
    }
}

Test 1

Group: 1, 2

Verdict: ACCEPTED

Test 2

Group: 2

Verdict: ACCEPTED