Submission #896912

#	Time	Username	Problem	Language	Result	Execution time	Memory
896912		ErJ	Closing Time (IOI23_closing)	C++17	8 / 100	77 ms	23888 KiB

closing

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

#define ll long long
#define vi vector<ll>
#define vvi vector<vector<ll>>
#define vs vector<string>
#define vc vector<char>
#define vb vector<bool>
#define vp vector<pair<ll, ll>>
#define pp pair<ll, ll>
#define qi queue<ll>
#define qp queue<pp>
#define pqi priority_queue<ll>
#define pqp priority_queue<pp>
#define mi map<ll, ll>
#define mpi map<pp, ll>
#define mip map<ll, pp>
#define mpp map<pp, pp>
#define mb map<ll, bool>
#define si set<ll>
#define sp set<pp>
#define mod 1000000007
#define rep(a, b) for(int a = 0; a < (b); a++)
#define inf 10000000000

int max_score(int N, int X, int Y, ll K, vector<int> U, vector<int>  V, vector<int> W) {
    vector<vector<pair<ll, ll>>> edges(N); // kam, delka
    rep(i, U.size()) {
        edges[U[i]].push_back({ V[i], W[i] });
        edges[V[i]].push_back({ U[i], W[i] });
    }
    vb was(N);
    rep(i, N) was[i] = false;
    pqp pq;
    ll ans = 0;
    ll K2 = K;
    pq.push({ 0, X });
    pq.push({ 0, Y });
    while (!pq.empty()) {
        ll u = pq.top().second;
        ll du = -pq.top().first;
        pq.pop();
        if (was[u]) continue;
        was[u] = true;
        if (K2 < du) {
            break;
        }
        K2 -= du;
        ans++;
        for (int i = 0; i < edges[u].size(); i++) {
            ll v = edges[u][i].first;
            if (!was[v]) {
                pq.push({ -(du + edges[u][i].second), v });
            }
        }
    }
    return ans;
}

Compilation message (stderr)

closing.cpp: In function 'int max_score(int, int, int, long long int, std::vector<int>, std::vector<int>, std::vector<int>)':
closing.cpp:25:36: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 | #define rep(a, b) for(int a = 0; a < (b); a++)
      |                                    ^
closing.cpp:30:5: note: in expansion of macro 'rep'
   30 |     rep(i, U.size()) {
      |     ^~~
closing.cpp:52:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   52 |         for (int i = 0; i < edges[u].size(); i++) {
      |                         ~~^~~~~~~~~~~~~~~~~

• Subtask 0: 0 / 0
• Subtask 1: 8 / 8
• Subtask 2: 0 / 9
• Subtask 3: 0 / 12
• Subtask 4: 0 / 14
• Subtask 5: 0 / 9
• Subtask 6: 0 / 11
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 17