oj.uz

Submission #330734

# Submission time Handle Problem Language Result Execution time Memory
330734 2020-11-26T12:24:17 Z TLP39 Art Exhibition (JOI18_art) C++14
100 / 100
 270 ms 26880 KB 
#include<bits/stdc++.h>
using namespace std;


int main()
{
    int n;
    scanf("%d",&n);
    long long int a,b;
    pair<long long int,long long int> ab[n+1];
    for(int i=1;i<=n;i++)
    {
        scanf("%lld %lld",&a,&b);
        ab[i]={a,b};
    }
    sort(ab+1,ab+n+1);
    long long int pre[n+1]={};
    pre[1]=ab[1].second;
    for(int i=2;i<=n;i++)
    {
        pre[i]=pre[i-1]-(ab[i].first-ab[i-1].first)+ab[i].second;
    }
    int best_end[n+1]={};
    best_end[n]=n;
    for(int i=n-1;i>0;i--)
    {
        best_end[i]=best_end[i+1];
        if(pre[i]>pre[best_end[i]])
        {
            best_end[i]=i;
        }
    }
    long long int maxx=0;
    for(int i=1;i<=n;i++)
    {
        maxx=max(pre[best_end[i]]-pre[i]+ab[i].second,maxx);
    }
    printf("%lld",maxx);
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:8:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    8 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~
art.cpp:13:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   13 |         scanf("%lld %lld",&a,&b);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 512 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 512 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 3 ms 620 KB Output is correct
28 Correct 4 ms 620 KB Output is correct
29 Correct 3 ms 620 KB Output is correct
30 Correct 3 ms 620 KB Output is correct
31 Correct 3 ms 620 KB Output is correct
32 Correct 3 ms 620 KB Output is correct
33 Correct 3 ms 620 KB Output is correct
34 Correct 3 ms 620 KB Output is correct
35 Correct 3 ms 620 KB Output is correct
36 Correct 3 ms 620 KB Output is correct
37 Correct 3 ms 620 KB Output is correct
38 Correct 3 ms 640 KB Output is correct
39 Correct 3 ms 620 KB Output is correct
40 Correct 3 ms 620 KB Output is correct
41 Correct 3 ms 620 KB Output is correct
42 Correct 4 ms 620 KB Output is correct
43 Correct 3 ms 620 KB Output is correct
44 Correct 3 ms 620 KB Output is correct
45 Correct 3 ms 620 KB Output is correct
46 Correct 3 ms 620 KB Output is correct
47 Correct 3 ms 620 KB Output is correct
48 Correct 3 ms 620 KB Output is correct
49 Correct 3 ms 620 KB Output is correct
50 Correct 3 ms 620 KB Output is correct
51 Correct 3 ms 620 KB Output is correct

Subtask #4
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 512 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 384 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 3 ms 620 KB Output is correct
28 Correct 4 ms 620 KB Output is correct
29 Correct 3 ms 620 KB Output is correct
30 Correct 3 ms 620 KB Output is correct
31 Correct 3 ms 620 KB Output is correct
32 Correct 3 ms 620 KB Output is correct
33 Correct 3 ms 620 KB Output is correct
34 Correct 3 ms 620 KB Output is correct
35 Correct 3 ms 620 KB Output is correct
36 Correct 3 ms 620 KB Output is correct
37 Correct 3 ms 620 KB Output is correct
38 Correct 3 ms 640 KB Output is correct
39 Correct 3 ms 620 KB Output is correct
40 Correct 3 ms 620 KB Output is correct
41 Correct 3 ms 620 KB Output is correct
42 Correct 4 ms 620 KB Output is correct
43 Correct 3 ms 620 KB Output is correct
44 Correct 3 ms 620 KB Output is correct
45 Correct 3 ms 620 KB Output is correct
46 Correct 3 ms 620 KB Output is correct
47 Correct 3 ms 620 KB Output is correct
48 Correct 3 ms 620 KB Output is correct
49 Correct 3 ms 620 KB Output is correct
50 Correct 3 ms 620 KB Output is correct
51 Correct 3 ms 620 KB Output is correct
52 Correct 220 ms 26880 KB Output is correct
53 Correct 220 ms 26604 KB Output is correct
54 Correct 213 ms 26604 KB Output is correct
55 Correct 212 ms 26604 KB Output is correct
56 Correct 265 ms 26604 KB Output is correct
57 Correct 213 ms 26604 KB Output is correct
58 Correct 217 ms 26756 KB Output is correct
59 Correct 211 ms 26604 KB Output is correct
60 Correct 230 ms 26604 KB Output is correct
61 Correct 222 ms 26476 KB Output is correct
62 Correct 213 ms 26604 KB Output is correct
63 Correct 213 ms 26604 KB Output is correct
64 Correct 258 ms 26604 KB Output is correct
65 Correct 211 ms 26604 KB Output is correct
66 Correct 214 ms 26604 KB Output is correct
67 Correct 270 ms 26724 KB Output is correct
68 Correct 212 ms 26604 KB Output is correct