제출 #1020670

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1020670		modwwe	Art Exhibition (JOI18_art)	C++17	100 / 100	170 ms	20908 KiB

art

//https://www.instagram.com/_modwwe/
#pragma GCC optimize("Ofast,unroll-loops")
//#pragma GCC target("avx2,bmi,bmi2")
#include<bits/stdc++.h>
#define int long long
//#define ll long long
#define down cout<<'\n';
#define debug cout<<" cucuucucuuu",down
#define NHP     ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe  int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".out","w",stdout)
#define pb push_back
#define checktime   cerr << (double)clock() / CLOCKS_PER_SEC * 1000  << " ms";
using namespace std;
void phongbeo();
const int inf=1e18;
const int mod2=1e9+7;
const int  mod1=998244353;
struct icd
{
    int a,b;
};
struct ib
{
    int a;
    int b;
};
struct ic
{
    int a,b,c;
};
struct id
{
    int a,b,c,d;
};
struct ie
{
    int a,b,c, d,e,f;

};
int n,m,s1,s2,s4,s3,sf,k,r,mid,s5,s6,mx,s7,s8,s9,mx2,res,dem2=0,dem=0,l,l2,r2;
int  i,s10,s12;
int el=29;
main()
{
#ifndef ONLINE_JUDGE
    // fin(task),fou(task);
#endif
    NHP
    /// cin>>s1;
    //  modwwe
    phongbeo();
}
ib a[500007];
 bool cmp(ib a,ib b)
  {
      return a.a<b.a;
  }
void phongbeo()
 {
     cin>>n;
     for(int i=1;i<=n;i++)
         cin>>a[i].a>>a[i].b;
s3=0;
sort(a+1,a+1+n,cmp);
 s2=-a[1].a;
  for(int i=1;i<=n;i++)
  {s3+=a[i].b;
      s4=max(s4,s3-s2-a[i].a);
      s2=min(s2,s3-a[i+1].a);
  }
  cout<<s4;
 }

컴파일 시 표준 에러 (stderr) 메시지

art.cpp:48:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   48 | main()
      | ^~~~

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