답안 #479737

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
479737	2021-10-13T03:06:25 Z	chungdinh	Art Exhibition (JOI18_art)	C++17	100 / 100	604 ms	12100 KB

#include <iostream>
#include <vector>
#include <bitset>
#include <queue>
#include <algorithm>
#include <cstring>
#include <cmath>
#include <stack>
#include <set>
#include <map>
#include <cassert>
#include <bits/stdc++.h>

using namespace std;

#define pb push_back

#define ll long long
#define ii pair<long long int, long long int>
#define pll pair<long long, long long>
#define fi first
#define se second
#define r first
#define c second

#define all(x) x.begin(), x.end()
#define mk(x, y) make_pair(x, y)

ostream& operator << (ostream& os, pair<int, int> a) {
    return os << a.first << " : " << a.second;
}

#define endl '\n'
#define db(val) "["#val" = "<<(val)<<"] "
#define cntbit(x) __builtin_popcount(x)

const int N = 5e5 + 5;
const int iINF = 1e9;
const ll MOD = 1e9 + 7;
const ll MOD2 = 998244353;
const ll INF = 1e18;

int n;
ii a[N];

ll dp[N];

int main() {
    ios_base::sync_with_stdio();
    #ifdef CHUNGDINH
    freopen("main.inp","r",stdin);
    freopen("main.out","w",stderr);
    #endif

    cin >> n;
    for (int i = 1; i <= n; i++) cin >> a[i].first >> a[i].second;
    sort(a + 1, a + n + 1);

    ll ff = -INF;
    for (int i = 1; i <= n; i++) {
        dp[i] = a[i].second;
        dp[i] = max(dp[i], ff + a[i].second - a[i].first);
        ff = max(ff, dp[i] + a[i].first);
    }

    cout << *max_element(dp + 1, dp + n + 1);
}

/*
Array bounds *
long long vs int
Garbage value
Sometimes, VNOI views "arrays out of bounds" as "wrong answer"
*/

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	236 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	236 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	6 ms	332 KB	Output is correct
28	Correct	6 ms	332 KB	Output is correct
29	Correct	6 ms	332 KB	Output is correct
30	Correct	6 ms	336 KB	Output is correct
31	Correct	6 ms	332 KB	Output is correct
32	Correct	6 ms	332 KB	Output is correct
33	Correct	6 ms	388 KB	Output is correct
34	Correct	6 ms	372 KB	Output is correct
35	Correct	6 ms	332 KB	Output is correct
36	Correct	6 ms	352 KB	Output is correct
37	Correct	6 ms	332 KB	Output is correct
38	Correct	6 ms	344 KB	Output is correct
39	Correct	6 ms	332 KB	Output is correct
40	Correct	6 ms	332 KB	Output is correct
41	Correct	6 ms	332 KB	Output is correct
42	Correct	6 ms	344 KB	Output is correct
43	Correct	6 ms	364 KB	Output is correct
44	Correct	6 ms	332 KB	Output is correct
45	Correct	6 ms	332 KB	Output is correct
46	Correct	7 ms	332 KB	Output is correct
47	Correct	6 ms	332 KB	Output is correct
48	Correct	6 ms	336 KB	Output is correct
49	Correct	6 ms	368 KB	Output is correct
50	Correct	6 ms	332 KB	Output is correct
51	Correct	6 ms	380 KB	Output is correct

Subtask #4
50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	1 ms	204 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	1 ms	236 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	6 ms	332 KB	Output is correct
28	Correct	6 ms	332 KB	Output is correct
29	Correct	6 ms	332 KB	Output is correct
30	Correct	6 ms	336 KB	Output is correct
31	Correct	6 ms	332 KB	Output is correct
32	Correct	6 ms	332 KB	Output is correct
33	Correct	6 ms	388 KB	Output is correct
34	Correct	6 ms	372 KB	Output is correct
35	Correct	6 ms	332 KB	Output is correct
36	Correct	6 ms	352 KB	Output is correct
37	Correct	6 ms	332 KB	Output is correct
38	Correct	6 ms	344 KB	Output is correct
39	Correct	6 ms	332 KB	Output is correct
40	Correct	6 ms	332 KB	Output is correct
41	Correct	6 ms	332 KB	Output is correct
42	Correct	6 ms	344 KB	Output is correct
43	Correct	6 ms	364 KB	Output is correct
44	Correct	6 ms	332 KB	Output is correct
45	Correct	6 ms	332 KB	Output is correct
46	Correct	7 ms	332 KB	Output is correct
47	Correct	6 ms	332 KB	Output is correct
48	Correct	6 ms	336 KB	Output is correct
49	Correct	6 ms	368 KB	Output is correct
50	Correct	6 ms	332 KB	Output is correct
51	Correct	6 ms	380 KB	Output is correct
52	Correct	574 ms	12044 KB	Output is correct
53	Correct	566 ms	11900 KB	Output is correct
54	Correct	570 ms	11896 KB	Output is correct
55	Correct	564 ms	12080 KB	Output is correct
56	Correct	558 ms	11928 KB	Output is correct
57	Correct	556 ms	11972 KB	Output is correct
58	Correct	604 ms	12004 KB	Output is correct
59	Correct	561 ms	11972 KB	Output is correct
60	Correct	560 ms	11972 KB	Output is correct
61	Correct	568 ms	12100 KB	Output is correct
62	Correct	561 ms	12000 KB	Output is correct
63	Correct	575 ms	11972 KB	Output is correct
64	Correct	593 ms	12032 KB	Output is correct
65	Correct	585 ms	11976 KB	Output is correct
66	Correct	560 ms	11972 KB	Output is correct
67	Correct	563 ms	12052 KB	Output is correct
68	Correct	561 ms	11948 KB	Output is correct

답안 #479737

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