Submission #713776

#	Time	Username	Problem	Language	Result	Execution time	Memory
713776		Hydrolyzed	Global Warming (CEOI18_glo)	C++14	10 / 100	45 ms	3012 KiB

glo

/*
 * AUTHOR	: Hydrolyzed~
 * SCHOOL	: RYW
 * TASK		: Global Warming 
 * ALGO		: Dynamic Programming
 * DATE		: 23 Mar 2023
 * */

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/rope>

#ifndef _DEBUG
// @==== Libary ====@ //

// @================@ //
#endif

using namespace std;
using namespace __gnu_pbds;
using namespace __gnu_cxx;

template <typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update> ;

// @=== Debugger ===@ //
#ifdef _DEBUG
#include "debug.hpp"
#else
#define dbg(...) 0
#endif
// @================@ //

using ll = long long;

inline void solution(){
	int n, x;
	cin >> n >> x;
	vector<int> a(n + 1), dp;
	for(int i=1; i<=n; ++i){
		cin >> a[i];
	}
	for(int i=1; i<=n; ++i){
		int idx = lower_bound(dp.begin(), dp.end(), a[i]) - dp.begin();
		if(idx == dp.size()){
			dp.emplace_back(a[i]);
		}
		else{
			dp[idx] = a[i];
		}
	}
	cout << dp.size();
	return ;
}

signed main(){
	cin.tie(nullptr)->ios::sync_with_stdio(false);	
	int q = 1;
//	cin >> q;
	while(q--){
		solution();
		cout << "\n";
	}
	return 0;
}
// https://github.com/MasterIceZ/archive/tree/main/cpp-template

Compilation message (stderr)

glo.cpp: In function 'void solution()':
glo.cpp:45:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |   if(idx == dp.size()){
      |      ~~~~^~~~~~~~~~~~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 13
• Subtask 4: 10 / 10
• Subtask 5: 0 / 20
• Subtask 6: 0 / 17
• Subtask 7: 0 / 25