Submission #240106

#	Time	Username	Problem	Language	Result	Execution time	Memory
240106		MrRobot_28	Go (COCI18_go)	C++17	40 / 100	26 ms	1280 KiB

go

#include <bits/stdc++.h>
                  
using namespace std;
bool cmp(pair <pair <int, int>, int> a, pair <pair <int, int>, int> b)
{
	return a.second < b.second;
}
signed main(){
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);
	int n, k, m;
	cin >> n >> k >> m;
	vector <vector <int> > dp(m, vector <int> (2001, -1e9));
	vector <pair <pair <int, int>, int> > mass(m);
	for(int i = 0; i < m; i++)
	{
		cin >> mass[i].first.first >> mass[i].first.second >> mass[i].second;
	}
	sort(mass.begin(), mass.end(), cmp);
	int ans = 0;
	for(int i = 0; i < mass.size(); i++)
	{
		if(abs(mass[i].first.first - k) <= mass[i].second - 1)
		{
			dp[i][abs(mass[i].first.first - k)] = max(dp[i][abs(mass[i].first.first - k)], mass[i].first.second);
		}
		for(int j = 0; j < i; j++)
		{
			for(int t = 0; t <= 2000; t++)
			{
				int del = abs(mass[i].first.first - mass[j].first.first);
				if(del + t >= mass[i].second)
				{
					continue;
				}
				dp[i][t + del] = max(dp[i][t + del], dp[j][t] + mass[i].first.second);
			}
		}
		for(int t = 0; t <= 2000; t++)
		{
			ans = max(ans, dp[i][t]);
		}
	}
	cout << ans;
	return 0;
}

Compilation message (stderr)

go.cpp: In function 'int main()':
go.cpp:22:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < mass.size(); i++)
                 ~~^~~~~~~~~~~~~

• Subtask 1: 40 / 100