제출 #334471

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
334471	2020-12-09 07:50:48	ncduy0303	Hotspot (NOI17_hotspot)	C++17	100 / 100	827 ms	250988 KiB

hotspot

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#include <bits/stdc++.h>
using namespace std;
#define ar array
#define ll long long
const int MAX_N = 5e3 + 1;
const int MOD = 1e9 + 7;
const int INF = 1e9;
const ll LINF = 1e18;
int n, m, k;
vector<int> adj[MAX_N];
ll dist[MAX_N][MAX_N], cnt[MAX_N][MAX_N];
double p[MAX_N];
void bfs(int s) {
  queue<ar<int,2>> q;
  q.push({0, s});
  dist[s][s] = 0; cnt[s][s] = 1;
  while (!q.empty()){
    auto [d, u] = q.front(); q.pop();
    if (d > dist[s][u]) continue;
    for (int v : adj[u]) {
      if (dist[s][v] > dist[s][u] + 1) { 
        dist[s][v] = dist[s][u] + 1;
                cnt[s][v] = cnt[s][u];
        q.push({dist[s][v], v});
      }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

hotspot.cpp: In function 'void bfs(int)':
hotspot.cpp:29:22: warning: narrowing conversion of 'dist[s][v]' from 'long long int' to 'int' [-Wnarrowing]
   29 |     q.push({dist[s][v], v});
      |             ~~~~~~~~~^

• Subtask 1: 4 / 4
• Subtask 2: 5 / 5
• Subtask 3: 11 / 11
• Subtask 4: 18 / 18
• Subtask 5: 26 / 26
• Subtask 6: 36 / 36