Submission #1127475

#	Time	Username	Problem	Language	Result	Execution time	Memory
1127475		hy_1	Art Exhibition (JOI18_art)	C++17	100 / 100	168 ms	8772 KiB

art

#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <limits.h>
#include <list>
#include <cmath>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdio.h>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>
#include <unordered_map>

using namespace std;

#define int long long
#define MOD 1000000007
#define INF 2000000000
#define IN  100001
#define LOG 20
#define MINF -2000000000
#define all(x) x.begin(),x.end()
#define fast_io ios_base::sync_with_stdio(false);cin.tie(nullptr);

void solution(){
    int n; cin >> n;
    vector<pair<int, int> > arr;

    for(int i = 0; i < n; i++){
        int a,b; cin >> a >> b;
        arr.push_back({a,b});
    }

    sort(all(arr));

    int cur = 0;
    int ans = 0;
    for(int i = 0; i < n; i++){
        cur += arr[i].second;
        cur = max(cur , arr[i].first + arr[i].second);
        ans = max(ans , cur - arr[i].first);
    }
    cout << ans << endl;
}

signed main() {
    fast_io
    int t = 1;
    //cin >> t;
    while (t--) {
        solution();
    }
    return 0;
}

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