제출 #1086757

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
1086757	2024-09-11 12:14:18	nathan4690	Passport (JOI23_passport)	C++17	0 / 100	712 ms	135844 KiB

passport

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#include <bits/stdc++.h>
#define ll long long
#define pll pair<ll,ll>
#define ld long double
#define el cout << '\n'
#define f1(i,n) for(ll i=1;i<=n;i++)
#define __file_name ""
using namespace std;
const ll maxn = 1e6+5, inf=1e18;
ll n, rpos[maxn], l, r, lf[maxn], rt[maxn], q, x, d[maxn], d1[maxn],dn[maxn];
vector<pair<ll,ll>> G[maxn];
bool vis[maxn];
priority_queue<pll, vector<pll>, greater<pll>> pq;
void addEdge(ll u, ll v, ll w){
    // cout << u << " -> " << v << " w = " << w;el;
    G[u].push_back({v, w});
}
void build(ll idx, ll l, ll r){
    if(l == r){
        rpos[l] = idx;
        return;
    }
//    addEdge(idx, idx*2, 0);
//    addEdge(idx, idx*2+1, 0);
    addEdge(idx*2, idx, 0);
    addEdge(idx*2+1, idx, 0);
    ll mid = (l+r)/2;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

passport.cpp: In function 'int main()':
passport.cpp:77:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   77 |         freopen(__file_name ".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
passport.cpp:78:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   78 |         freopen(__file_name ".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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