Submission #672946

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
672946	2022-12-19 04:35:57	vuavisao	Hotspot (NOI17_hotspot)	C++14	100 / 100	843 ms	1260 KiB

hotspot

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#include<bits/stdc++.h>
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#define ll long long
#define ld long double
using namespace std;
template<typename Lhs, typename Rhs> inline bool Max_self(Lhs &a, Rhs b) { if(b > a) { a = b; return true; } return false; }
template<typename Lhs, typename Rhs> inline bool Min_self(Lhs &a, Rhs b) { if(b < a) { a = b; return true; } return false; }
const int N = 5e3 + 10;
const int INF = 1e9;
int n, m, q;
vector<int> g[N];
int dist[2][N];
ld cnt[2][N];
ld res[N];
void Dijkstra(int u, int* dist, ld* cnt);
void Dijkstra(int u, int* dist, ld* cnt) {
    for(int i = 1; i <= n; ++ i) {
        dist[i] = INF;
        cnt[i] = 0;
    }
    dist[u] = 0; cnt[u] = 1;
    queue<int> q = {};
    q.push(u);
    while(!q.empty()) {
 
 
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Compilation message (stderr)

hotspot.cpp: In function 'int32_t main()':
hotspot.cpp:49:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   49 |         freopen("NOI17_hotspot.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
hotspot.cpp:50:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   50 |         freopen("NOI17_hotspot.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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