답안 #231249

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
231249	2020-05-13T07:31:23 Z	SorahISA	Art Exhibition (JOI18_art)	C++17	100 / 100	247 ms	36580 KB

// #pragma GCC target("avx2")
#pragma GCC optimize("O3", "unroll-loops")

// #include <bits/extc++.h>
// using namespace __gnu_pbds;

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define double long double
// template <typename T>
// using pbds_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
using pii = pair<int, int>;
template<typename T>
using prior = priority_queue<T, vector<T>, greater<T>>;
template<typename T>
using Prior = priority_queue<T>;

#define X first
#define Y second
#define ALL(x) (x).begin(), (x).end()
#define eb emplace_back
#define pb push_back

#define fastIO() ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)
#define RANDOM() random_device __rd; \
                 mt19937 __gen = mt19937(__rd()); \
                 uniform_int_distribution<int> __dis(0, 1); \
                 auto rnd = bind(__dis, __gen);

const int INF = 1E18;
const int mod = 1E9 + 7;

int32_t main() {
    fastIO();
    
    int n, tot = 0;
    cin >> n;
    
    vector<pii> v(n), art;
    for (auto &[a, b] : v) cin >> a >> b, tot += b;
    sort(ALL(v));
    
    art.eb(v[0]);
    for (int i = 1; i < n; ++i) {
        if (v[i].X == v[i-1].X) art.back().Y += v[i].Y;
        else art.eb(v[i]);
    }
    tot -= art.back().X - art.front().X;
    
    n = art.size();
    vector<int> pre(n+2), suf(n+2);
    for (int i = 1; i < n; ++i) {
        pre[i] = pre[i-1] + (art[i].X - art[i-1].X) - art[i-1].Y;
    }
    for (int i = n; i > 1; --i) {
        suf[i] = suf[i+1] + (art[i-1].X - art[i-2].X) - art[i-1].Y;
    }
    
    // for (auto x : pre) cout << x << " "; cout << "\n";
    // for (auto x : suf) cout << x << " "; cout << "\n";
    
    for (int i = 1; i < n; ++i) pre[i] = max(pre[i], pre[i-1]);
    for (int i = n; i > 1; --i) suf[i] = max(suf[i], suf[i+1]);
    
    int maxDeleted = 0;
    for (int i = 1; i < n; ++i) maxDeleted = max(maxDeleted, pre[i] + suf[i+2]);
    
    cout << tot + maxDeleted << "\n";
    
    return 0;
}

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	4 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	4 ms	256 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	4 ms	384 KB	Output is correct
9	Correct	4 ms	384 KB	Output is correct
10	Correct	5 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	384 KB	Output is correct
2	Correct	4 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	4 ms	256 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	4 ms	384 KB	Output is correct
9	Correct	4 ms	384 KB	Output is correct
10	Correct	5 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	384 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	384 KB	Output is correct
2	Correct	4 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	4 ms	256 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	4 ms	384 KB	Output is correct
9	Correct	4 ms	384 KB	Output is correct
10	Correct	5 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	384 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	8 ms	768 KB	Output is correct
28	Correct	7 ms	768 KB	Output is correct
29	Correct	7 ms	768 KB	Output is correct
30	Correct	7 ms	768 KB	Output is correct
31	Correct	7 ms	768 KB	Output is correct
32	Correct	8 ms	768 KB	Output is correct
33	Correct	8 ms	768 KB	Output is correct
34	Correct	7 ms	768 KB	Output is correct
35	Correct	7 ms	768 KB	Output is correct
36	Correct	7 ms	816 KB	Output is correct
37	Correct	6 ms	768 KB	Output is correct
38	Correct	7 ms	768 KB	Output is correct
39	Correct	6 ms	768 KB	Output is correct
40	Correct	7 ms	768 KB	Output is correct
41	Correct	6 ms	768 KB	Output is correct
42	Correct	7 ms	768 KB	Output is correct
43	Correct	7 ms	768 KB	Output is correct
44	Correct	7 ms	768 KB	Output is correct
45	Correct	7 ms	768 KB	Output is correct
46	Correct	7 ms	768 KB	Output is correct
47	Correct	7 ms	768 KB	Output is correct
48	Correct	7 ms	768 KB	Output is correct
49	Correct	7 ms	768 KB	Output is correct
50	Correct	7 ms	768 KB	Output is correct
51	Correct	7 ms	768 KB	Output is correct

Subtask #4
50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	5 ms	384 KB	Output is correct
2	Correct	4 ms	384 KB	Output is correct
3	Correct	5 ms	384 KB	Output is correct
4	Correct	5 ms	384 KB	Output is correct
5	Correct	5 ms	384 KB	Output is correct
6	Correct	4 ms	256 KB	Output is correct
7	Correct	5 ms	384 KB	Output is correct
8	Correct	4 ms	384 KB	Output is correct
9	Correct	4 ms	384 KB	Output is correct
10	Correct	5 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	384 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	8 ms	768 KB	Output is correct
28	Correct	7 ms	768 KB	Output is correct
29	Correct	7 ms	768 KB	Output is correct
30	Correct	7 ms	768 KB	Output is correct
31	Correct	7 ms	768 KB	Output is correct
32	Correct	8 ms	768 KB	Output is correct
33	Correct	8 ms	768 KB	Output is correct
34	Correct	7 ms	768 KB	Output is correct
35	Correct	7 ms	768 KB	Output is correct
36	Correct	7 ms	816 KB	Output is correct
37	Correct	6 ms	768 KB	Output is correct
38	Correct	7 ms	768 KB	Output is correct
39	Correct	6 ms	768 KB	Output is correct
40	Correct	7 ms	768 KB	Output is correct
41	Correct	6 ms	768 KB	Output is correct
42	Correct	7 ms	768 KB	Output is correct
43	Correct	7 ms	768 KB	Output is correct
44	Correct	7 ms	768 KB	Output is correct
45	Correct	7 ms	768 KB	Output is correct
46	Correct	7 ms	768 KB	Output is correct
47	Correct	7 ms	768 KB	Output is correct
48	Correct	7 ms	768 KB	Output is correct
49	Correct	7 ms	768 KB	Output is correct
50	Correct	7 ms	768 KB	Output is correct
51	Correct	7 ms	768 KB	Output is correct
52	Correct	239 ms	36452 KB	Output is correct
53	Correct	238 ms	36580 KB	Output is correct
54	Correct	233 ms	36428 KB	Output is correct
55	Correct	232 ms	36580 KB	Output is correct
56	Correct	223 ms	36452 KB	Output is correct
57	Correct	227 ms	36456 KB	Output is correct
58	Correct	242 ms	36580 KB	Output is correct
59	Correct	225 ms	36452 KB	Output is correct
60	Correct	229 ms	36452 KB	Output is correct
61	Correct	231 ms	36452 KB	Output is correct
62	Correct	228 ms	36452 KB	Output is correct
63	Correct	237 ms	36452 KB	Output is correct
64	Correct	237 ms	36452 KB	Output is correct
65	Correct	225 ms	36452 KB	Output is correct
66	Correct	225 ms	36452 KB	Output is correct
67	Correct	240 ms	36452 KB	Output is correct
68	Correct	247 ms	36452 KB	Output is correct

답안 #231249

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