Submission #1105325

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1105325	2024-10-26 07:29:48	tuannm	Hotspot (NOI17_hotspot)	C++17	100 / 100	526 ms	1616 KiB

hotspot

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#include<bits/stdc++.h>
#define ii pair<int, int>
#define ll pair<long long, long long>
#define fi first
#define se second
#define pb push_back
using namespace std;
const int mod[2] = {1000000007, 998244353};
const int N = 5e3 + 1;
const string NAME = "traincentre";
int n, m, k;
vector<int> adj[N];
int d[2][N], cnt[2][N];
int q[N];
long double ans[N];
void BFS(int id, int s){
    for(int i = 0; i < n; ++i)
        d[id][i] = N, cnt[id][i] = 0;
    d[id][s] = 0;
    cnt[id][s] = 1;
    int l = 1, r = 1;
    q[1] = s;
    while(l <= r){
        int u = q[l++];
        for(int v : adj[u]){
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

hotspot.cpp: In function 'int main()':
hotspot.cpp:79:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   79 |         freopen((NAME + ".inp").c_str(), "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
hotspot.cpp:80:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   80 |         freopen((NAME + ".out").c_str(), "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