답안 #237790

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
237790	2020-06-08T18:37:25 Z	ant101	Art Exhibition (JOI18_art)	C++14	100 / 100	230 ms	24824 KB

#include <iostream>
#include <algorithm>
#include <cstring>
#include <iomanip>
#include <fstream>
#include <cmath>
#include <vector>
#include <set>
#include <unordered_set>
#include <unordered_map>
#include <map>
#include <stack>
#include <queue>
#include <assert.h>
#include <limits>
#include <cstdio>
using namespace std;

//#define RDEBUG 1
#ifdef RDEBUG
#define D(x) x
#else
#define D(x)
#endif
#define inf 0x7fffffff
#define MOD 1000000007

typedef long long ll;


ll add(ll a, ll b) {
    a += b;
    if(a >= MOD) {
        a -= MOD;
    }
    return a;
}
ll sub(ll a, ll b) {
    a -= b;
    if(a < 0) {
        a += MOD;
    }
    return a;
}

ll mul(ll a, ll b) {
    return (a * b)%MOD;
}

void add_self(ll& a, ll b) {
    a = add(a, b);
}
void sub_self(ll& a, ll b) {
    a = sub(a, b);
}
void mul_self(ll& a, ll b) {
    a = mul(a, b);
}


const ll MAXN = 500010;

pair<ll, ll> art[MAXN];
ll N;
ll pref[MAXN];

int main() {
    ios_base :: sync_with_stdio(false);
    cin.tie(nullptr);
    cin >> N;
    for (ll i = 1; i<=N; i++) {
        cin >> art[i].first >> art[i].second;
    }
    sort(art+1, art+N+1);
    for (ll i = 1; i<=N; i++) {
        pref[i] = pref[i-1]+art[i].second;
    }
    ll ans = 0;
    ll bestpainting = -1e16;
    for (ll i = N; i>=1; i--) {
        bestpainting = max(bestpainting, pref[i]-art[i].first);
        ans = max(ans, bestpainting+art[i].first-pref[i-1]);
    }
    cout << ans << "\n";
    return 0;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	256 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	4 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	4 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	4 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	256 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	4 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	4 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	4 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	512 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct
21	Correct	5 ms	384 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	256 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	4 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	4 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	4 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	512 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct
21	Correct	5 ms	384 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct
27	Correct	7 ms	640 KB	Output is correct
28	Correct	7 ms	640 KB	Output is correct
29	Correct	6 ms	640 KB	Output is correct
30	Correct	6 ms	640 KB	Output is correct
31	Correct	6 ms	640 KB	Output is correct
32	Correct	7 ms	640 KB	Output is correct
33	Correct	6 ms	768 KB	Output is correct
34	Correct	7 ms	632 KB	Output is correct
35	Correct	7 ms	632 KB	Output is correct
36	Correct	6 ms	640 KB	Output is correct
37	Correct	6 ms	640 KB	Output is correct
38	Correct	6 ms	640 KB	Output is correct
39	Correct	7 ms	640 KB	Output is correct
40	Correct	7 ms	640 KB	Output is correct
41	Correct	7 ms	640 KB	Output is correct
42	Correct	6 ms	640 KB	Output is correct
43	Correct	7 ms	640 KB	Output is correct
44	Correct	7 ms	640 KB	Output is correct
45	Correct	7 ms	640 KB	Output is correct
46	Correct	6 ms	640 KB	Output is correct
47	Correct	7 ms	640 KB	Output is correct
48	Correct	6 ms	640 KB	Output is correct
49	Correct	7 ms	640 KB	Output is correct
50	Correct	7 ms	640 KB	Output is correct
51	Correct	6 ms	640 KB	Output is correct

Subtask #4
50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	256 KB	Output is correct
2	Correct	5 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	4 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	5 ms	384 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	4 ms	384 KB	Output is correct
9	Correct	5 ms	384 KB	Output is correct
10	Correct	4 ms	384 KB	Output is correct
11	Correct	5 ms	384 KB	Output is correct
12	Correct	5 ms	384 KB	Output is correct
13	Correct	5 ms	384 KB	Output is correct
14	Correct	5 ms	384 KB	Output is correct
15	Correct	5 ms	384 KB	Output is correct
16	Correct	5 ms	512 KB	Output is correct
17	Correct	5 ms	384 KB	Output is correct
18	Correct	5 ms	384 KB	Output is correct
19	Correct	5 ms	384 KB	Output is correct
20	Correct	5 ms	384 KB	Output is correct
21	Correct	5 ms	384 KB	Output is correct
22	Correct	5 ms	384 KB	Output is correct
23	Correct	5 ms	384 KB	Output is correct
24	Correct	5 ms	384 KB	Output is correct
25	Correct	5 ms	384 KB	Output is correct
26	Correct	5 ms	384 KB	Output is correct
27	Correct	7 ms	640 KB	Output is correct
28	Correct	7 ms	640 KB	Output is correct
29	Correct	6 ms	640 KB	Output is correct
30	Correct	6 ms	640 KB	Output is correct
31	Correct	6 ms	640 KB	Output is correct
32	Correct	7 ms	640 KB	Output is correct
33	Correct	6 ms	768 KB	Output is correct
34	Correct	7 ms	632 KB	Output is correct
35	Correct	7 ms	632 KB	Output is correct
36	Correct	6 ms	640 KB	Output is correct
37	Correct	6 ms	640 KB	Output is correct
38	Correct	6 ms	640 KB	Output is correct
39	Correct	7 ms	640 KB	Output is correct
40	Correct	7 ms	640 KB	Output is correct
41	Correct	7 ms	640 KB	Output is correct
42	Correct	6 ms	640 KB	Output is correct
43	Correct	7 ms	640 KB	Output is correct
44	Correct	7 ms	640 KB	Output is correct
45	Correct	7 ms	640 KB	Output is correct
46	Correct	6 ms	640 KB	Output is correct
47	Correct	7 ms	640 KB	Output is correct
48	Correct	6 ms	640 KB	Output is correct
49	Correct	7 ms	640 KB	Output is correct
50	Correct	7 ms	640 KB	Output is correct
51	Correct	6 ms	640 KB	Output is correct
52	Correct	216 ms	24696 KB	Output is correct
53	Correct	216 ms	24824 KB	Output is correct
54	Correct	221 ms	24824 KB	Output is correct
55	Correct	224 ms	24696 KB	Output is correct
56	Correct	216 ms	24696 KB	Output is correct
57	Correct	230 ms	24824 KB	Output is correct
58	Correct	216 ms	24696 KB	Output is correct
59	Correct	213 ms	24696 KB	Output is correct
60	Correct	226 ms	24824 KB	Output is correct
61	Correct	223 ms	24568 KB	Output is correct
62	Correct	215 ms	24820 KB	Output is correct
63	Correct	213 ms	24824 KB	Output is correct
64	Correct	211 ms	24696 KB	Output is correct
65	Correct	223 ms	24824 KB	Output is correct
66	Correct	218 ms	24696 KB	Output is correct
67	Correct	216 ms	24824 KB	Output is correct
68	Correct	227 ms	24696 KB	Output is correct

답안 #237790

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 20.0 / 20.0

Subtask #3 20.0 / 20.0

Subtask #4 50.0 / 50.0

Subtask #1
10.0 / 10.0

Subtask #2
20.0 / 20.0

Subtask #3
20.0 / 20.0

Subtask #4
50.0 / 50.0