Submission #367856

#	Time	Username	Problem	Language	Result	Execution time	Memory
367856		vaaven	Art Exhibition (JOI18_art)	C++14	0 / 100	1 ms	364 KiB

art

#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#include <iostream>
#include <vector>
#include <algorithm>
#include <math.h>
#include <set>
#include <stack>
#include <iomanip>
#include <bitset>
#include <map>
#include <cassert>
#include <array>
#include <queue>
#include <cstring>
#include <random>
#include <unordered_set>
#include <unordered_map>
#define pqueue priority_queue
#define pb(x) push_back(x)
 #define endl '\n'
#define all(x) x.begin(), x.end()
 #define int long  long
    
using namespace std;
    
typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef vector<int> vi;
typedef vector<vector<int> > vvi;
// typedef tuple<ll, ll, ll> tiii;
typedef pair<int, int> pii;
typedef vector<pair<int, int> > vpii;
typedef vector<bool> vb;
typedef vector<string> vs;
typedef vector<char> vc;
    
const int inf = 1e9 + 228;
const int infll = 1e18;
const ll mod = 1e9 + 7;
const ll mod2 = 998244353;
const ld eps = 1e-14;
    
    
void fast_io(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
   // freopen("a.in", "r", stdin);
//    freopen("outputik.txt", "w", stdout);
}

void solve(){
    int n;
    cin >> n;
    vpii kek(n);
    for(int i=0; i<n; i++){
        cin >> kek[i].first >> kek[i].second;
    }
    sort(all(kek));
    for(int i=1; i<n; i++){
        kek[i].second += kek[i-1].second;
    }
    int mn = 0;
    int ans = 0;
    for(int i=0; i<n; i++){
        ans = max(kek[i].second - kek[i].first - mn, ans);
        if(i)
            mn = min(mn, kek[i-1].second - kek[i].first);
        else
            mn = -kek[i].first;
    }
    cout << ans << endl;
}

signed main(){
     fast_io();
//  ;(time(NULL));
    cout << fixed << setprecision(10);
    int q = 1;
//    cin >> q;
    while(q--)
        solve();
}

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