제출 #809233

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
809233	2023-08-05 23:05:29	ashcomp	Sumtree (INOI20_sumtree)	C++14	0 / 100	146 ms	197308 KiB

Main

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#include<bits/stdc++.h>
using namespace std;
 
#define all(x) x.begin() , x.end()
#define pii pair<int, int>
#define piii pair<int, pii>
#define pll pair<ll, ll>
#define plll pair<ll, pll>
#define pb push_back
#define qb pop_back
#define F first
#define S second
#define wall cerr<<"--------------------------------------"<<endl
 
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC optimize("-O2")
 
typedef long long ll;
typedef double db;
const ll INF = 1e9;
const ll maxn = 3e5 + 10;
const ll N = 2e6 + 10;
const ll mod = 1e9 + 7;
ll n , q , k , sz[maxn] , st[maxn] , en[maxn] , h[maxn] , ti=1 , ans;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'void preps()':
Main.cpp:63:23: warning: iteration 300009 invokes undefined behavior [-Waggressive-loop-optimizations]
   63 |                 sz[i] = 1;
      |                 ~~~~~~^~~
Main.cpp:62:22: note: within this loop
   62 |         for(ll i=1; i<N; i++){
      |                     ~^~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 30