Submission #511369

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
511369	2022-01-15 17:35:55	tabr	Crocodile's Underground City (IOI11_crocodile)	C++17	100 / 100	679 ms	51996 KiB

crocodile

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#include <bits/stdc++.h>
using namespace std;
#ifdef tabr
#include "library/debug.cpp"
#else
#define debug(...)
#endif
int travel_plan(int n, int m, int r[][2], int l[], int k, int p[]) {
    vector<vector<int>> g(n);
    for (int i = 0; i < m; i++) {
        g[r[i][0]].emplace_back(i);
        g[r[i][1]].emplace_back(i);
    }
    vector<vector<int>> c(n);
    vector<int> d(n, (int) 1e9 + 1);
    priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>>> pq;
    for (int i = 0; i < k; i++) {
        c[p[i]].emplace_back(0);
        c[p[i]].emplace_back(0);
        d[p[i]] = 0;
        pq.emplace(0, p[i]);
    }
    while (!pq.empty()) {
        auto [e, v] = pq.top();
        pq.pop();
        if (d[v] != e) {
            continue;
        }
        if (v == 0) {
 
 
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• Subtask 1: 46 / 46
• Subtask 2: 43 / 43
• Subtask 3: 11 / 11