제출 #383696

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
383696	2021-03-30 15:04:16	cpp219	Global Warming (CEOI18_glo)	C++14	100 / 100	450 ms	18140 KiB

glo

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#pragma GCC optimization "Ofast"
#pragma GCC optimization "unroll-loop"
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define fs first
#define sc second
using namespace std;
typedef pair<ll,ll> LL;
const ll N = 2e5 + 9;
const ll lim = 1e6 + 9;
const ll inf = 1e16 + 7;
ll n,x,a[N],lis[N],lds[N],ans;
vector<ll> v;
ll Find(ll x){
    return lower_bound(v.begin(),v.end(),x) - v.begin() + 1;
}
void compress(){
    sort(v.begin(),v.end()); v.resize(unique(v.begin(),v.end()) - v.begin());
}
ll bit[lim],st[4*lim];
void upd(ll p,ll val){
    for (ll i = p;i < lim;i += i & -i) bit[i] = max(bit[i],val);
}
 
 
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컴파일 시 표준 에러 (stderr) 메시지

glo.cpp:1: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
    1 | #pragma GCC optimization "Ofast"
      | 
glo.cpp:2: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
    2 | #pragma GCC optimization "unroll-loop"
      | 
glo.cpp: In function 'int main()':
glo.cpp:59:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   59 |         freopen(task".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
glo.cpp:60:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   60 |         freopen(task".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

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