Submission #842253

#	Time	Username	Problem	Language	Result	Execution time	Memory
842253		omeganot	Closing Time (IOI23_closing)	C++17	Compilation error	0 ms	0 KiB

closing

#include <bits/stdc++.h>

using namespace std;

using ll = long long;
const int MOD = 1E9 + 7;
const int INF = 1E9; const ll INFLL = 1E18;

const int MAX = 2E5;

int N; int X; int Y; int K;

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	int C; cin >> C;
	for(int test = 1; test <= C; test++) {
		cin >> N >> X >> Y >> K;
		vector<ll> dist(N, INFLL);
		vector<vector<array<int, 2>>> adj(N);
		for(int i = 0; i + 1 < N; i++) {
			int U; int V; int W;
			cin >> U >> V >> W;
			U--; V--;
			adj[U].push_back({V, W});
			adj[V].push_back({U, W});
		}
		dist[X] = 0; dist[Y] = 0;
		priority_queue<array<ll, 2>, vector<array<ll, 2>>, greater<array<ll, 2>>> pq; pq.push({0, X}); pq.push({0, Y});
		while(pq.size()) {
			array<ll, 2> x = pq.top();
			if(x[0] != dist[x[1]]) {
				continue;
			}
			for(array<int, 2> i : adj[x[1]]) {
				if(dist[i[0]] > dist[x[1]] + i[1]) {
					dist[i[0]] = dist[x[1]] + i[1];
					pq.push({dist[i[0]], i[0]});
				}
			}
		}
		sort(dist.begin(), dist.end());
		int ans = 0;
		ll sum = 0;
		for(ll i : dist) {
			if(sum + i <= K) {
				sum += i;
				ans++;
			}
		}
		cout << ans << "\n";
	}
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccps60J3.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cc4Axy73.o:closing.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccps60J3.o: in function `main':
grader.cpp:(.text.startup+0x6a1): undefined reference to `max_score(int, int, int, long long, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status