답안 #1109172

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1109172	2024-11-06T06:50:11 Z	vjudge1	Art Exhibition (JOI18_art)	C++17	100 / 100	143 ms	33876 KB

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define endl '\n'
const int MN = 5e5+5;
int n;
__int128 pre[MN],suf[MN],ans,tmp;
pair<int,int> a[MN];
void printt(__int128 x)
{
    string res = "";
    if(x==0) {
        cout << 0;
        return;
    }
    bool am = false;
    if(x<0) am = true, x = -x;
    while(x!=0){
        res += '0' + x%10;
        x /= 10;
    }
    if(am) cout << '-';
    for(int i=res.size()-1; i>=0; i--) cout << res[i];
}

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    #define task "JOI18_ART"
    if(fopen(task".inp","r")){
        freopen(task".inp","r",stdin);
        freopen(task".out","w",stdout);
    }
    cin >> n;
    for(int i=1; i<=n; i++) cin >> a[i].first >> a[i].second;
    sort(a+1,a+1+n);
    for(int i=1; i<=n; i++) pre[i] = a[i].second - (a[i].first-a[i-1].first);
    for(int i=1; i<=n; i++) pre[i] += pre[i-1];
    suf[n+1] = -1e36;
    for(int i=n; i>0; i--) suf[i] = max(suf[i+1],pre[i]);
    ans = a[n].second;
    for(int i=1; i<n; i++) {
        tmp = a[i].second;
        ans = max(ans,tmp+suf[i]-pre[i]);
    }
    printt(ans);
    cerr << "\nTime: " << 1000.0 * clock() / CLOCKS_PER_SEC << endl;
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:32:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |         freopen(task".inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
art.cpp:33:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |         freopen(task".out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4432 KB	Output is correct
2	Correct	1 ms	4432 KB	Output is correct
3	Correct	1 ms	4432 KB	Output is correct
4	Correct	1 ms	4432 KB	Output is correct
5	Correct	1 ms	4564 KB	Output is correct
6	Correct	1 ms	4432 KB	Output is correct
7	Correct	1 ms	4432 KB	Output is correct
8	Correct	1 ms	4432 KB	Output is correct
9	Correct	1 ms	4432 KB	Output is correct
10	Correct	2 ms	4432 KB	Output is correct
11	Correct	1 ms	4432 KB	Output is correct

Subtask #2
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4432 KB	Output is correct
2	Correct	1 ms	4432 KB	Output is correct
3	Correct	1 ms	4432 KB	Output is correct
4	Correct	1 ms	4432 KB	Output is correct
5	Correct	1 ms	4564 KB	Output is correct
6	Correct	1 ms	4432 KB	Output is correct
7	Correct	1 ms	4432 KB	Output is correct
8	Correct	1 ms	4432 KB	Output is correct
9	Correct	1 ms	4432 KB	Output is correct
10	Correct	2 ms	4432 KB	Output is correct
11	Correct	1 ms	4432 KB	Output is correct
12	Correct	1 ms	4432 KB	Output is correct
13	Correct	1 ms	4432 KB	Output is correct
14	Correct	1 ms	4432 KB	Output is correct
15	Correct	1 ms	4432 KB	Output is correct
16	Correct	1 ms	4432 KB	Output is correct
17	Correct	2 ms	4432 KB	Output is correct
18	Correct	1 ms	4432 KB	Output is correct
19	Correct	1 ms	4604 KB	Output is correct
20	Correct	1 ms	4432 KB	Output is correct
21	Correct	1 ms	4688 KB	Output is correct
22	Correct	1 ms	4432 KB	Output is correct
23	Correct	1 ms	4432 KB	Output is correct
24	Correct	1 ms	4432 KB	Output is correct
25	Correct	1 ms	4432 KB	Output is correct
26	Correct	1 ms	4432 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4432 KB	Output is correct
2	Correct	1 ms	4432 KB	Output is correct
3	Correct	1 ms	4432 KB	Output is correct
4	Correct	1 ms	4432 KB	Output is correct
5	Correct	1 ms	4564 KB	Output is correct
6	Correct	1 ms	4432 KB	Output is correct
7	Correct	1 ms	4432 KB	Output is correct
8	Correct	1 ms	4432 KB	Output is correct
9	Correct	1 ms	4432 KB	Output is correct
10	Correct	2 ms	4432 KB	Output is correct
11	Correct	1 ms	4432 KB	Output is correct
12	Correct	1 ms	4432 KB	Output is correct
13	Correct	1 ms	4432 KB	Output is correct
14	Correct	1 ms	4432 KB	Output is correct
15	Correct	1 ms	4432 KB	Output is correct
16	Correct	1 ms	4432 KB	Output is correct
17	Correct	2 ms	4432 KB	Output is correct
18	Correct	1 ms	4432 KB	Output is correct
19	Correct	1 ms	4604 KB	Output is correct
20	Correct	1 ms	4432 KB	Output is correct
21	Correct	1 ms	4688 KB	Output is correct
22	Correct	1 ms	4432 KB	Output is correct
23	Correct	1 ms	4432 KB	Output is correct
24	Correct	1 ms	4432 KB	Output is correct
25	Correct	1 ms	4432 KB	Output is correct
26	Correct	1 ms	4432 KB	Output is correct
27	Correct	3 ms	4688 KB	Output is correct
28	Correct	3 ms	4432 KB	Output is correct
29	Correct	3 ms	4432 KB	Output is correct
30	Correct	3 ms	4716 KB	Output is correct
31	Correct	3 ms	4860 KB	Output is correct
32	Correct	3 ms	4688 KB	Output is correct
33	Correct	2 ms	4688 KB	Output is correct
34	Correct	3 ms	4688 KB	Output is correct
35	Correct	2 ms	4688 KB	Output is correct
36	Correct	2 ms	4688 KB	Output is correct
37	Correct	2 ms	4688 KB	Output is correct
38	Correct	2 ms	4432 KB	Output is correct
39	Correct	3 ms	4688 KB	Output is correct
40	Correct	3 ms	4688 KB	Output is correct
41	Correct	2 ms	4688 KB	Output is correct
42	Correct	3 ms	4688 KB	Output is correct
43	Correct	3 ms	4432 KB	Output is correct
44	Correct	3 ms	4688 KB	Output is correct
45	Correct	3 ms	4540 KB	Output is correct
46	Correct	3 ms	4688 KB	Output is correct
47	Correct	3 ms	4688 KB	Output is correct
48	Correct	3 ms	4688 KB	Output is correct
49	Correct	3 ms	4688 KB	Output is correct
50	Correct	3 ms	4688 KB	Output is correct
51	Correct	3 ms	4688 KB	Output is correct

Subtask #4
50.0 / 50.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4432 KB	Output is correct
2	Correct	1 ms	4432 KB	Output is correct
3	Correct	1 ms	4432 KB	Output is correct
4	Correct	1 ms	4432 KB	Output is correct
5	Correct	1 ms	4564 KB	Output is correct
6	Correct	1 ms	4432 KB	Output is correct
7	Correct	1 ms	4432 KB	Output is correct
8	Correct	1 ms	4432 KB	Output is correct
9	Correct	1 ms	4432 KB	Output is correct
10	Correct	2 ms	4432 KB	Output is correct
11	Correct	1 ms	4432 KB	Output is correct
12	Correct	1 ms	4432 KB	Output is correct
13	Correct	1 ms	4432 KB	Output is correct
14	Correct	1 ms	4432 KB	Output is correct
15	Correct	1 ms	4432 KB	Output is correct
16	Correct	1 ms	4432 KB	Output is correct
17	Correct	2 ms	4432 KB	Output is correct
18	Correct	1 ms	4432 KB	Output is correct
19	Correct	1 ms	4604 KB	Output is correct
20	Correct	1 ms	4432 KB	Output is correct
21	Correct	1 ms	4688 KB	Output is correct
22	Correct	1 ms	4432 KB	Output is correct
23	Correct	1 ms	4432 KB	Output is correct
24	Correct	1 ms	4432 KB	Output is correct
25	Correct	1 ms	4432 KB	Output is correct
26	Correct	1 ms	4432 KB	Output is correct
27	Correct	3 ms	4688 KB	Output is correct
28	Correct	3 ms	4432 KB	Output is correct
29	Correct	3 ms	4432 KB	Output is correct
30	Correct	3 ms	4716 KB	Output is correct
31	Correct	3 ms	4860 KB	Output is correct
32	Correct	3 ms	4688 KB	Output is correct
33	Correct	2 ms	4688 KB	Output is correct
34	Correct	3 ms	4688 KB	Output is correct
35	Correct	2 ms	4688 KB	Output is correct
36	Correct	2 ms	4688 KB	Output is correct
37	Correct	2 ms	4688 KB	Output is correct
38	Correct	2 ms	4432 KB	Output is correct
39	Correct	3 ms	4688 KB	Output is correct
40	Correct	3 ms	4688 KB	Output is correct
41	Correct	2 ms	4688 KB	Output is correct
42	Correct	3 ms	4688 KB	Output is correct
43	Correct	3 ms	4432 KB	Output is correct
44	Correct	3 ms	4688 KB	Output is correct
45	Correct	3 ms	4540 KB	Output is correct
46	Correct	3 ms	4688 KB	Output is correct
47	Correct	3 ms	4688 KB	Output is correct
48	Correct	3 ms	4688 KB	Output is correct
49	Correct	3 ms	4688 KB	Output is correct
50	Correct	3 ms	4688 KB	Output is correct
51	Correct	3 ms	4688 KB	Output is correct
52	Correct	133 ms	30424 KB	Output is correct
53	Correct	131 ms	32328 KB	Output is correct
54	Correct	124 ms	28852 KB	Output is correct
55	Correct	133 ms	30456 KB	Output is correct
56	Correct	125 ms	23940 KB	Output is correct
57	Correct	131 ms	31044 KB	Output is correct
58	Correct	141 ms	33876 KB	Output is correct
59	Correct	119 ms	30792 KB	Output is correct
60	Correct	143 ms	29048 KB	Output is correct
61	Correct	128 ms	30484 KB	Output is correct
62	Correct	126 ms	29060 KB	Output is correct
63	Correct	124 ms	30624 KB	Output is correct
64	Correct	127 ms	30956 KB	Output is correct
65	Correct	132 ms	30384 KB	Output is correct
66	Correct	126 ms	31612 KB	Output is correct
67	Correct	126 ms	30648 KB	Output is correct
68	Correct	133 ms	29896 KB	Output is correct

답안 #1109172

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