Submission #1274586

#	Time	Username	Problem	Language	Result	Execution time	Memory
1274586		KluydQ	Art Exhibition (JOI18_art)	C++20	100 / 100	150 ms	20092 KiB

art

//#include "shoes.h"
#include <bits/stdc++.h>

#define respagold ios_base::sync_with_stdio(0), cin.tie(0);
#define int long long
#define ll long long
#define int2 __int128_t
#define FOR( i, x, n, d ) for( int i = x; i <= n; i += d )
#define FORR( i, x, n, d ) for( int i = x; i >= n; i -= d )
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define sz(x) (int)(x.size())
#define pb push_back
#define ins insert
#define lb lower_bound
#define ub upper_bound
#define pii pair <int, int>

using namespace std;
 
const int N = 1e6 + 12;
const int mod = 1e9 + 7;
const ll inf = 2e18;

int n, m, x, y, a[N], b[N], p[N];
vector <pii> v;

void solve()
{
	cin >> n;
	x = inf, y = 0;
	
	FOR( i, 1, n, 1 )
	{
		cin >> a[i] >> b[i];
		v.pb({a[i], b[i]});
	}
	sort( all(v) );
	
	FOR( i, 1, n, 1 )
	{
		p[i] = p[i - 1] + v[i - 1].S;
	}
	FOR( i, 1, n, 1 )
	{
		x = min(x, p[i - 1] - v[i - 1].F);
		y = max(y, p[i] - v[i - 1].F - x);
	}
	cout << y << '\n';
}
signed main()
{
	respagold;
	
	int test = 1;
	if( !test ) cin >> test;
	while( test -- ) solve();
}

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