답안 #123161

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
123161	2019-06-30T09:19:13 Z	Hideo	Art Exhibition (JOI18_art)	C++14	100 / 100	603 ms	150136 KB

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

#define ll long long
#define pb push_back
#define mk make_pair
#define fr first
#define sc second
#define vi vector < int >
#define vl vector < ll >
#define pi pair < int, int >
#define pl pair < ll, ll >
#define pii pair < int, pi >
#define vii vector < pi >

const int N = 5e5 + 7;
const int INF = 1e9 + 7;

pl a[N];
ll st[N][32], pr[N];
ll ans;
int n;

void build (){
    for (int i = 1; i <= 30; i++){
        for (int j = 1; j + (1 << i) - 1 <= n; j++){
            st[j][i] = max(st[j][i - 1], st[j + (1 << (i - 1))][i - 1]);
        }
    }
}

ll get (int l, int r){
    int pw = log2(r - l + 1);
    return max(st[l][pw], st[r - (1 << pw) + 1][pw]);
}

main(){
    cin >> n;
    for (int i = 1; i <= n; i++)
        scanf("%lld%lld", &a[i].fr, &a[i].sc);
    sort(a + 1, a + n + 1);
    for (int i = 1; i <= n; i++)
        pr[i] = pr[i - 1] + a[i].sc;

    for (int i = 1; i <= n; i++)
        st[i][0] = pr[i] - a[i].fr;

    build();
    for (int i = 1; i <= n; i++){
        ans = max(ans, a[i].fr - pr[i - 1] + get(i, n));
    }
    cout << ans;
}

Compilation message

art.cpp:37:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^
art.cpp: In function 'int main()':
art.cpp:40:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld%lld", &a[i].fr, &a[i].sc);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	3 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	3 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	4 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	504 KB	Output is correct
17	Correct	2 ms	504 KB	Output is correct
18	Correct	2 ms	504 KB	Output is correct
19	Correct	2 ms	504 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	424 KB	Output is correct
22	Correct	2 ms	380 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	504 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	3 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	4 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	504 KB	Output is correct
17	Correct	2 ms	504 KB	Output is correct
18	Correct	2 ms	504 KB	Output is correct
19	Correct	2 ms	504 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	424 KB	Output is correct
22	Correct	2 ms	380 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	504 KB	Output is correct
27	Correct	6 ms	1912 KB	Output is correct
28	Correct	6 ms	1912 KB	Output is correct
29	Correct	5 ms	1912 KB	Output is correct
30	Correct	6 ms	1912 KB	Output is correct
31	Correct	6 ms	1912 KB	Output is correct
32	Correct	6 ms	1912 KB	Output is correct
33	Correct	6 ms	1784 KB	Output is correct
34	Correct	6 ms	1784 KB	Output is correct
35	Correct	6 ms	1912 KB	Output is correct
36	Correct	6 ms	1912 KB	Output is correct
37	Correct	6 ms	1788 KB	Output is correct
38	Correct	6 ms	1912 KB	Output is correct
39	Correct	6 ms	1784 KB	Output is correct
40	Correct	6 ms	1784 KB	Output is correct
41	Correct	6 ms	1784 KB	Output is correct
42	Correct	7 ms	1912 KB	Output is correct
43	Correct	6 ms	1912 KB	Output is correct
44	Correct	6 ms	1784 KB	Output is correct
45	Correct	6 ms	1912 KB	Output is correct
46	Correct	6 ms	1768 KB	Output is correct
47	Correct	5 ms	1784 KB	Output is correct
48	Correct	6 ms	1784 KB	Output is correct
49	Correct	6 ms	1784 KB	Output is correct
50	Correct	6 ms	1820 KB	Output is correct
51	Correct	6 ms	1784 KB	Output is correct

Subtask #4
50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	2 ms	376 KB	Output is correct
4	Correct	3 ms	376 KB	Output is correct
5	Correct	2 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	376 KB	Output is correct
9	Correct	2 ms	376 KB	Output is correct
10	Correct	2 ms	376 KB	Output is correct
11	Correct	2 ms	376 KB	Output is correct
12	Correct	2 ms	376 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	4 ms	376 KB	Output is correct
15	Correct	2 ms	376 KB	Output is correct
16	Correct	2 ms	504 KB	Output is correct
17	Correct	2 ms	504 KB	Output is correct
18	Correct	2 ms	504 KB	Output is correct
19	Correct	2 ms	504 KB	Output is correct
20	Correct	2 ms	376 KB	Output is correct
21	Correct	2 ms	424 KB	Output is correct
22	Correct	2 ms	380 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	376 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	504 KB	Output is correct
27	Correct	6 ms	1912 KB	Output is correct
28	Correct	6 ms	1912 KB	Output is correct
29	Correct	5 ms	1912 KB	Output is correct
30	Correct	6 ms	1912 KB	Output is correct
31	Correct	6 ms	1912 KB	Output is correct
32	Correct	6 ms	1912 KB	Output is correct
33	Correct	6 ms	1784 KB	Output is correct
34	Correct	6 ms	1784 KB	Output is correct
35	Correct	6 ms	1912 KB	Output is correct
36	Correct	6 ms	1912 KB	Output is correct
37	Correct	6 ms	1788 KB	Output is correct
38	Correct	6 ms	1912 KB	Output is correct
39	Correct	6 ms	1784 KB	Output is correct
40	Correct	6 ms	1784 KB	Output is correct
41	Correct	6 ms	1784 KB	Output is correct
42	Correct	7 ms	1912 KB	Output is correct
43	Correct	6 ms	1912 KB	Output is correct
44	Correct	6 ms	1784 KB	Output is correct
45	Correct	6 ms	1912 KB	Output is correct
46	Correct	6 ms	1768 KB	Output is correct
47	Correct	5 ms	1784 KB	Output is correct
48	Correct	6 ms	1784 KB	Output is correct
49	Correct	6 ms	1784 KB	Output is correct
50	Correct	6 ms	1820 KB	Output is correct
51	Correct	6 ms	1784 KB	Output is correct
52	Correct	543 ms	149960 KB	Output is correct
53	Correct	546 ms	150136 KB	Output is correct
54	Correct	603 ms	150072 KB	Output is correct
55	Correct	544 ms	150132 KB	Output is correct
56	Correct	539 ms	149984 KB	Output is correct
57	Correct	537 ms	149992 KB	Output is correct
58	Correct	537 ms	150044 KB	Output is correct
59	Correct	574 ms	149980 KB	Output is correct
60	Correct	538 ms	150108 KB	Output is correct
61	Correct	540 ms	149736 KB	Output is correct
62	Correct	560 ms	149856 KB	Output is correct
63	Correct	550 ms	149892 KB	Output is correct
64	Correct	548 ms	149992 KB	Output is correct
65	Correct	537 ms	149988 KB	Output is correct
66	Correct	540 ms	150032 KB	Output is correct
67	Correct	559 ms	150036 KB	Output is correct
68	Correct	532 ms	149912 KB	Output is correct

답안 #123161

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