Submission #1105372

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1105372	2024-10-26 08:51:01	nghia0912	Hotspot (NOI17_hotspot)	C++17	100 / 100	719 ms	1224 KiB

hotspot

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#define COPYRIGHT CODE BY TRINH TUAN NGHIA
#include<bits/stdc++.h>
//#pragma GCC optimize("O3")
//#pragma GCC optimize("unroll-loops")
//#pragma GCC target("popcnt")
#define Boost ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0)
#define ll long long
#define endl "\n"
#define st first
#define nd second
#define ii pair <int,int>
#define iii pair <int,ii>
#define iiii pair <ii,ii>
#define pb push_back
#define NAME "traincentre"
using namespace std;
const int N = 5e3 + 10;
const int M = 4e4 + 10;
int n, m, k;
vector<int> adj[N];
long double E[N];
ll d[N], d2[N];
long double f[N], f2[N];
vector<ii> cb;
void BFS(int st, int en){
    queue<int> q;
    for (int i = 0; i < n;++i){
        d[i] = 3e18;
        d2[i] = 3e18;
 
 
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Compilation message (stderr)

hotspot.cpp: In function 'int main()':
hotspot.cpp:104:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  104 |         freopen(NAME".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
hotspot.cpp:105:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  105 |         freopen(NAME".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