Number

input/code.cpp: In function 'int main()':
input/code.cpp:34:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < s.length()-1; i++) {
                    ^
input/code.cpp:35:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   if (i == s.length()-2) {
         ^
input/code.cpp:43:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < s.length(); i++) {
                    ^
input/code.cpp:44:3: warning: 'index' may be used uninitialized in this function [-Wmaybe-uninitialized]
   if (i != index) {
   ^

#include <algorithm>
#include <iostream>
#include <iomanip>
#include <iterator>
#include <numeric>
#include <sstream>
#include <fstream>
#include <cassert>
#include <climits>
#include <cstdlib>
#include <cstring>
#include <string>
#include <cstdio>
#include <vector>
#include <bitset>
#include <cmath>
#include <queue>
#include <deque>
#include <stack>
#include <list>
#include <map>
#include <set>

using namespace std;

#define ll long long
#define ld long double

int main()
{
	cin.sync_with_stdio(false);
	string s; cin >> s;
	ll index;
	for (int i = 0; i < s.length()-1; i++) {
		if (i == s.length()-2) {
			index = (s[i] < s[i+1] ? i : i+1);
		}
		if (s[i] < s[i+1]) {
			index = i;
			break;
		}
	}
	for (int i = 0; i < s.length(); i++) {
		if (i != index) {
			cout << s[i];
		}
	}
	cout << "\n";
	return 0;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED

Test 10

Verdict: ACCEPTED

Test 11

Verdict: ACCEPTED

Test 12

Verdict: ACCEPTED

Test 13

Verdict: ACCEPTED

Test 14

Verdict: ACCEPTED

Test 15

Verdict: ACCEPTED

Test 16

Verdict: ACCEPTED

Test 17

Verdict: ACCEPTED

Test 18

Verdict: ACCEPTED

Test 19

Verdict: ACCEPTED

Test 20

Verdict: ACCEPTED

Test 21

Verdict: ACCEPTED

Test 22

Verdict: ACCEPTED

Test 23

Verdict: ACCEPTED

Test 24

Verdict: ACCEPTED

Test 25

Verdict: ACCEPTED