제출 #492825

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
492825		Karabasan	Art Exhibition (JOI18_art)	C++17	0 / 100	1 ms	332 KiB

art

#include <bits/stdc++.h>
#define ll long long
#define fast1 ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define endl "\n"
#define int long long
using namespace std;
#pragma GCC optimize("Ofast")
#pragma GCC target("fma,sse,sse2,sse3,avx")
#pragma GCC optimize("unroll-loops")

int n;
pair<int,int> p[500005];
int pre[500005];
void solve()
{
    cin>>n;
    for(int i=1;i<=n;i++)
        cin>>p[i].first>>p[i].second;
    sort(p+1,p+n+1);
    pre[1]=p[1].second;
    for(int i=2;i<=n;i++)
        pre[i]=pre[i-1]+p[i].second;
    int mn=p[1].first;
    int mx=p[1].first;
    int val=p[1].second;
    int cvp=p[1].second;
    int ind=1;
    for(int i=2;i<=n;i++)
    {
        while(p[i].first-mn>pre[i]-pre[ind-1]&&ind<i)
        {
            mn=p[ind+1].first;
            ind++;
        }
        cvp=max(cvp,pre[i]-pre[ind-1]-p[i].first+mn);
    }
    cout<<cvp;

}
signed main()
{
    fast1
    //freopen ("lca.gir","r",stdin);
    //freopen ("lca.cik","w",stdout);
    int t=1;
    //cin>>t;
    while(t--)
    {
        solve();
    }
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

art.cpp: In function 'void solve()':
art.cpp:24:9: warning: unused variable 'mx' [-Wunused-variable]
   24 |     int mx=p[1].first;
      |         ^~
art.cpp:25:9: warning: unused variable 'val' [-Wunused-variable]
   25 |     int val=p[1].second;
      |         ^~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50