oj.uz

Submission #1109172

# Submission time Handle Problem Language Result Execution time Memory
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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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

# Verdict Execution time Memory 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