Poistot

input/code.cpp: In function 'int main()':
input/code.cpp:23:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |         for (int i = 0; i < arr.size();) {
      |                         ~~^~~~~~~~~~~~

#include <iostream>
#include <vector>

using namespace std;

int main() {
    int n;
    cin >> n; 
    vector<int> arr(n);
    
    for (int i = 0; i < n; i++) {
        cin >> arr[i];
    }

    vector<vector<int>> rounds;

    while (!arr.empty()) {
        vector<int> curr_round;
        int curr = arr[0];
        curr_round.push_back(curr);
        arr.erase(arr.begin()); 

        for (int i = 0; i < arr.size();) {
            if (arr[i] > curr) {
                curr_round.push_back(arr[i]);
                curr = arr[i];
                arr.erase(arr.begin() + i); 
            } else {
                i++; 
            }
        }

        rounds.push_back(curr_round); 
    }

    cout << rounds.size() << endl; 
    for (const auto& round : rounds) {
        for (int num : round) {
            cout << num << " ";
        }
        cout << endl;
    }

    return 0;
}

Test 1

Group: 1, 3

Verdict: ACCEPTED

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

Test 3

Group: 1, 3

Verdict: ACCEPTED

Test 4

Group: 1, 3

Verdict: ACCEPTED

Test 5

Group: 2, 3

Verdict: TIME LIMIT EXCEEDED

Test 6

Group: 2, 3

Verdict: TIME LIMIT EXCEEDED

Test 7

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 8

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 9

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 10

Group: 3

Verdict: TIME LIMIT EXCEEDED