Poistot

input/code.cpp: In function 'int main()':
input/code.cpp:16:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |                 for(int j=0;j<R.size();++j){
      |                             ~^~~~~~~~~

#include <bits/stdc++.h>
#define F first
#define S second
using namespace std;
#define N 212345
int n,k,t[N];
vector<vector<int>> R;

int main(){
	cin.tie(0)->sync_with_stdio(0);
	cin>>n;
	for(int i=0;i<n;++i) cin>>t[i];
	R.push_back({0});
	for(int i=1;i<n;++i){
		int b=0;
		for(int j=0;j<R.size();++j){
			if(t[i]>t[R[j].back()]){
				R[j].push_back(i);
				b=1;
				break;
			}
		}
		if(!b) R.push_back({i});
	}

	//for(int i=0;i<n;++i) cout<<t[i]<<' ';
	cout<<R.size()<<'\n';
	for(auto r:R){
		for(auto i:r) cout<<t[i]<<' ';
		cout<<'\n';
	}
}

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