Submission #744308

#	Time	Username	Problem	Language	Result	Execution time	Memory
744308		b00norp	Fireworks (APIO16_fireworks)	C++14	7 / 100	1 ms	324 KiB

fireworks

#include <bits/stdc++.h>
using namespace std;
#define int long long

mt19937_64 RNG(chrono::steady_clock::now().time_since_epoch().count());

void Solve() 
{
	int n, m;
	cin >> n >> m;
	vector<int> wts;
	for(int i = 2; i <= n + m; i++)
	{
		int par, wt;
		cin >> par >> wt;
		wts.push_back(wt);
	}
	sort(wts.begin(), wts.end());
	int idx = wts.size() / 2, ans = 0;
	for(int i = 0; i < wts.size(); i++)
	{
		ans += abs(wts[i] - wts[idx]);
	}
	cout << ans << "\n";
}

int32_t main() 
{
	auto begin = std::chrono::high_resolution_clock::now();
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int t = 1;
	// cin >> t;
	for(int i = 1; i <= t; i++) 
	{
		//cout << "Case #" << i << ": ";
		Solve();
	}
	auto end = std::chrono::high_resolution_clock::now();
    auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
    //cerr << "Time measured: " << elapsed.count() * 1e-9 << " seconds.\n"; 
	return 0;
}

Compilation message (stderr)

fireworks.cpp: In function 'void Solve()':
fireworks.cpp:20:19: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |  for(int i = 0; i < wts.size(); i++)
      |                 ~~^~~~~~~~~~~~

• Subtask 1: 7 / 7
• Subtask 2: 0 / 19
• Subtask 3: 0 / 29
• Subtask 4: 0 / 45