Submission #137999

#	Time	Username	Problem	Language	Result	Execution time	Memory
137999		MladenP	Art Exhibition (JOI18_art)	C++17	100 / 100	280 ms	20980 KiB

art

#include<bits/stdc++.h>
#define STIZE(x) fprintf(stderr, "STIZE%d\n", x);
#define PRINT(x) fprintf(stderr, "%s = %d\n", #x, x);
#define NL(x) printf("%c", " \n"[(x)]);
#define lld long long
#define pii pair<int,int>
#define pb push_back
#define fi first
#define se second
#define mid (l+r)/2
#define endl '\n'
#define all(a) begin(a),end(a)
#define sz(a) int((a).size())
#define LINF 1000000000000000LL
#define INF 1000000000
#define EPS 1e-9
using namespace std;
#define MAXN 500010
pair<lld, lld> p[MAXN];
int main() {
    ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); cerr.tie(0);
    int N; cin >> N;
    for(int i = 1; i <= N; i++) cin >> p[i].fi >> p[i].se;
    sort(p+1, p+1+N);
    lld sum = 0;
    lld maxx = -LINF;
    lld rez = -LINF;
    for(int i = 1; i <= N; i++) {
        maxx = max(maxx, p[i].fi - sum);
        sum += p[i].se;
        rez = max(rez, maxx + sum - p[i].fi);
    }
    cout << rez;
}

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