Poistot

input/code.cpp: In function 'int main()':
input/code.cpp:28:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |         for (int i = 0; i < s.size(); i++)
      |                         ~~^~~~~~~~~~

#include <bits/stdc++.h>

#define pb push_back

#define newl "\n"

#define N 200001

using namespace std;

int main()
{
    ios_base::sync_with_stdio(0); cin.tie(0);

    int n; cin >> n;
    
    vector<int> v(n);

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

    vector<vector<int>> s;

    for (int val : v)
    {
        for (int i = 0; i < s.size(); i++)
        {
            if (s[i].back() < val)
            {
                s[i].pb(val);
                val = -1;
                break;
            }
        }

        if (val != -1)
        {
            s.pb({});
            s.back().pb(val);
        }
    }

    cout << s.size() << endl;
    for (vector<int> v : s)
    {
        for (int i : v) cout << i << " ";
        cout << endl;
    }
}

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: ACCEPTED

Test 8

Group: 3

Verdict: ACCEPTED

Test 9

Group: 3

Verdict: TIME LIMIT EXCEEDED

Test 10

Group: 3

Verdict: TIME LIMIT EXCEEDED