Submission #1082008

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1082008	2024-08-30T14:16:50 Z	lamlamlam	Art Exhibition (JOI18_art)	C++17	100 / 100	159 ms	36944 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

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct

Subtask #2
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	1 ms	468 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	1 ms	468 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	2 ms	604 KB	Output is correct
28	Correct	2 ms	604 KB	Output is correct
29	Correct	1 ms	604 KB	Output is correct
30	Correct	1 ms	604 KB	Output is correct
31	Correct	2 ms	604 KB	Output is correct
32	Correct	2 ms	736 KB	Output is correct
33	Correct	1 ms	604 KB	Output is correct
34	Correct	2 ms	604 KB	Output is correct
35	Correct	2 ms	604 KB	Output is correct
36	Correct	2 ms	604 KB	Output is correct
37	Correct	2 ms	604 KB	Output is correct
38	Correct	1 ms	604 KB	Output is correct
39	Correct	2 ms	600 KB	Output is correct
40	Correct	1 ms	604 KB	Output is correct
41	Correct	1 ms	604 KB	Output is correct
42	Correct	2 ms	604 KB	Output is correct
43	Correct	2 ms	604 KB	Output is correct
44	Correct	1 ms	604 KB	Output is correct
45	Correct	1 ms	604 KB	Output is correct
46	Correct	2 ms	628 KB	Output is correct
47	Correct	2 ms	604 KB	Output is correct
48	Correct	2 ms	604 KB	Output is correct
49	Correct	2 ms	860 KB	Output is correct
50	Correct	2 ms	604 KB	Output is correct
51	Correct	2 ms	604 KB	Output is correct

Subtask #4
50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	344 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	1 ms	468 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	344 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct
20	Correct	0 ms	348 KB	Output is correct
21	Correct	1 ms	344 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	1 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	1 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	2 ms	604 KB	Output is correct
28	Correct	2 ms	604 KB	Output is correct
29	Correct	1 ms	604 KB	Output is correct
30	Correct	1 ms	604 KB	Output is correct
31	Correct	2 ms	604 KB	Output is correct
32	Correct	2 ms	736 KB	Output is correct
33	Correct	1 ms	604 KB	Output is correct
34	Correct	2 ms	604 KB	Output is correct
35	Correct	2 ms	604 KB	Output is correct
36	Correct	2 ms	604 KB	Output is correct
37	Correct	2 ms	604 KB	Output is correct
38	Correct	1 ms	604 KB	Output is correct
39	Correct	2 ms	600 KB	Output is correct
40	Correct	1 ms	604 KB	Output is correct
41	Correct	1 ms	604 KB	Output is correct
42	Correct	2 ms	604 KB	Output is correct
43	Correct	2 ms	604 KB	Output is correct
44	Correct	1 ms	604 KB	Output is correct
45	Correct	1 ms	604 KB	Output is correct
46	Correct	2 ms	628 KB	Output is correct
47	Correct	2 ms	604 KB	Output is correct
48	Correct	2 ms	604 KB	Output is correct
49	Correct	2 ms	860 KB	Output is correct
50	Correct	2 ms	604 KB	Output is correct
51	Correct	2 ms	604 KB	Output is correct
52	Correct	132 ms	36504 KB	Output is correct
53	Correct	144 ms	36560 KB	Output is correct
54	Correct	132 ms	36944 KB	Output is correct
55	Correct	127 ms	36500 KB	Output is correct
56	Correct	128 ms	36432 KB	Output is correct
57	Correct	121 ms	36592 KB	Output is correct
58	Correct	122 ms	36436 KB	Output is correct
59	Correct	120 ms	36428 KB	Output is correct
60	Correct	126 ms	36436 KB	Output is correct
61	Correct	131 ms	36272 KB	Output is correct
62	Correct	130 ms	36364 KB	Output is correct
63	Correct	129 ms	36692 KB	Output is correct
64	Correct	142 ms	36436 KB	Output is correct
65	Correct	159 ms	36468 KB	Output is correct
66	Correct	128 ms	36404 KB	Output is correct
67	Correct	122 ms	36468 KB	Output is correct
68	Correct	127 ms	36484 KB	Output is correct

Submission #1082008

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