Submission #1200044

#	Time	Username	Problem	Language	Result	Execution time	Memory
1200044		IBory	Crocodile's Underground City (IOI11_crocodile)	C++20	Compilation error	0 ms	0 KiB

crocodile

#include <bits/stdc++.h>
#define pii pair<ll, ll>
typedef long long ll;
using namespace std;

const int MAX = 100007;
vector<pii> G[MAX];
ll D[MAX], V[MAX];

int main() {
	ios::sync_with_stdio(0); cin.tie(0);
	int N, M, K;
	cin >> N >> M >> K;
	for (int i = 1; i <= M; ++i) {
		ll a, b, c;
		cin >> a >> b >> c;
		G[a].emplace_back(b, c);
		G[b].emplace_back(a, c);
	}

	priority_queue<pii, vector<pii>, greater<pii>> PQ;
	memset(D, 0x3f, sizeof(D));
	while (K--) {
		int n;
		cin >> n;
		V[n] = 1;
		PQ.emplace(0, n);
	}

	while (!PQ.empty()) {
		auto [cd, cur] = PQ.top(); PQ.pop();
		if (++V[cur] != 2) continue;
		D[cur] = cd;
		for (auto [next, nd] : G[cur]) PQ.emplace(cd + nd, next);
	}

	cout << D[0];
	return 0;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/cc2mMk3e.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccG5sawx.o:crocodile.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cc2mMk3e.o: in function `main':
grader.cpp:(.text.startup+0x36): undefined reference to `travel_plan(int, int, int (*) [2], int*, int, int*)'
collect2: error: ld returned 1 exit status