Submission #1169831

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1169831	2025-03-19 08:29:32	nathan4690	Airplane (NOI23_airplane)	C++20	100 / 100	183 ms	35436 KiB

Main

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#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define f1(i,n) for(int i=1;i<=n;i++)
#define __file_name ""
#define pii pair<int,int>
using namespace std;
const ll maxn=1e6+5, inf=1e9;
int n, m, a[maxn], d1[maxn], d2[maxn], ans;
vector<int> G[maxn];
priority_queue<pii, vector<pii>, greater<pii>> pq;
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    if(fopen(__file_name ".inp", "r")){
        freopen(__file_name ".inp", "r", stdin);
        freopen(__file_name ".out", "w", stdout);
    }
    // code here
    cin >> n >> m;
    f1(i,n) cin >> a[i];
    f1(i,m){
        int u, v; cin >> u >> v;
        G[u].push_back(v);
        G[v].push_back(u);
    }
//    if(n <= 2){
//        cout << 0;
 
 
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Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:18:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |         freopen(__file_name ".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:19:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |         freopen(__file_name ".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 22 / 22
• Subtask 2: 10 / 10
• Subtask 3: 31 / 31
• Subtask 4: 37 / 37