oj.uz

Submission #1110747

# Submission time Handle Problem Language Result Execution time Memory
1110747 2024-11-10T10:11:26 Z luvna Art Exhibition (JOI18_art) C++14
100 / 100
 145 ms 24764 KB 
#include<bits/stdc++.h>

#define all(v) v.begin(), v.end()
#define endl "\n"

using namespace std;

typedef long long ll;

const int N = 5e5 + 15;

int n;
pair<ll,ll> a[N];
ll pref[N];
ll ans = 0;

void solve(){
    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++) pref[i] = pref[i-1] + a[i].second;

    ll maxx = -INT_MAX;

    for(int i = 1; i <= n; i++){
        maxx = max(maxx, a[i].first - pref[i-1]);
        ans = max(ans, pref[i] - a[i].first + maxx);
    }

    cout << ans;
}

signed main(){
    ios_base::sync_with_stdio(NULL);
    cin.tie(0); cout.tie(0);

    #define task "task"

    if(fopen(task".INP", "r")){
        freopen(task".INP", "r", stdin);
        freopen(task".OUT", "w", stdout);
    }

    int t; t = 1; //cin >> t;
    while(t--) solve();
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:45:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   45 |         freopen(task".INP", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
art.cpp:46:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   46 |         freopen(task".OUT", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 1 ms 2384 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 1 ms 2384 KB Output is correct
10 Correct 1 ms 2384 KB Output is correct
11 Correct 1 ms 2384 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 1 ms 2384 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 1 ms 2384 KB Output is correct
10 Correct 1 ms 2384 KB Output is correct
11 Correct 1 ms 2384 KB Output is correct
12 Correct 1 ms 2384 KB Output is correct
13 Correct 1 ms 2384 KB Output is correct
14 Correct 1 ms 2384 KB Output is correct
15 Correct 1 ms 2552 KB Output is correct
16 Correct 1 ms 2384 KB Output is correct
17 Correct 1 ms 2384 KB Output is correct
18 Correct 1 ms 2384 KB Output is correct
19 Correct 1 ms 2384 KB Output is correct
20 Correct 1 ms 2384 KB Output is correct
21 Correct 1 ms 2384 KB Output is correct
22 Correct 1 ms 2384 KB Output is correct
23 Correct 1 ms 2384 KB Output is correct
24 Correct 1 ms 2384 KB Output is correct
25 Correct 1 ms 2384 KB Output is correct
26 Correct 1 ms 2384 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 1 ms 2384 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 1 ms 2384 KB Output is correct
10 Correct 1 ms 2384 KB Output is correct
11 Correct 1 ms 2384 KB Output is correct
12 Correct 1 ms 2384 KB Output is correct
13 Correct 1 ms 2384 KB Output is correct
14 Correct 1 ms 2384 KB Output is correct
15 Correct 1 ms 2552 KB Output is correct
16 Correct 1 ms 2384 KB Output is correct
17 Correct 1 ms 2384 KB Output is correct
18 Correct 1 ms 2384 KB Output is correct
19 Correct 1 ms 2384 KB Output is correct
20 Correct 1 ms 2384 KB Output is correct
21 Correct 1 ms 2384 KB Output is correct
22 Correct 1 ms 2384 KB Output is correct
23 Correct 1 ms 2384 KB Output is correct
24 Correct 1 ms 2384 KB Output is correct
25 Correct 1 ms 2384 KB Output is correct
26 Correct 1 ms 2384 KB Output is correct
27 Correct 2 ms 2384 KB Output is correct
28 Correct 3 ms 2384 KB Output is correct
29 Correct 2 ms 2384 KB Output is correct
30 Correct 2 ms 2384 KB Output is correct
31 Correct 3 ms 2384 KB Output is correct
32 Correct 2 ms 2384 KB Output is correct
33 Correct 2 ms 2384 KB Output is correct
34 Correct 2 ms 2552 KB Output is correct
35 Correct 2 ms 2384 KB Output is correct
36 Correct 2 ms 2384 KB Output is correct
37 Correct 2 ms 2384 KB Output is correct
38 Correct 3 ms 2384 KB Output is correct
39 Correct 2 ms 2384 KB Output is correct
40 Correct 2 ms 2384 KB Output is correct
41 Correct 2 ms 2384 KB Output is correct
42 Correct 2 ms 2384 KB Output is correct
43 Correct 2 ms 2384 KB Output is correct
44 Correct 2 ms 2384 KB Output is correct
45 Correct 2 ms 2384 KB Output is correct
46 Correct 2 ms 2384 KB Output is correct
47 Correct 2 ms 2384 KB Output is correct
48 Correct 2 ms 2636 KB Output is correct
49 Correct 2 ms 2384 KB Output is correct
50 Correct 2 ms 2396 KB Output is correct
51 Correct 2 ms 2384 KB Output is correct

Subtask #4
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2384 KB Output is correct
2 Correct 1 ms 2384 KB Output is correct
3 Correct 1 ms 2384 KB Output is correct
4 Correct 1 ms 2384 KB Output is correct
5 Correct 1 ms 2384 KB Output is correct
6 Correct 1 ms 2384 KB Output is correct
7 Correct 1 ms 2384 KB Output is correct
8 Correct 1 ms 2384 KB Output is correct
9 Correct 1 ms 2384 KB Output is correct
10 Correct 1 ms 2384 KB Output is correct
11 Correct 1 ms 2384 KB Output is correct
12 Correct 1 ms 2384 KB Output is correct
13 Correct 1 ms 2384 KB Output is correct
14 Correct 1 ms 2384 KB Output is correct
15 Correct 1 ms 2552 KB Output is correct
16 Correct 1 ms 2384 KB Output is correct
17 Correct 1 ms 2384 KB Output is correct
18 Correct 1 ms 2384 KB Output is correct
19 Correct 1 ms 2384 KB Output is correct
20 Correct 1 ms 2384 KB Output is correct
21 Correct 1 ms 2384 KB Output is correct
22 Correct 1 ms 2384 KB Output is correct
23 Correct 1 ms 2384 KB Output is correct
24 Correct 1 ms 2384 KB Output is correct
25 Correct 1 ms 2384 KB Output is correct
26 Correct 1 ms 2384 KB Output is correct
27 Correct 2 ms 2384 KB Output is correct
28 Correct 3 ms 2384 KB Output is correct
29 Correct 2 ms 2384 KB Output is correct
30 Correct 2 ms 2384 KB Output is correct
31 Correct 3 ms 2384 KB Output is correct
32 Correct 2 ms 2384 KB Output is correct
33 Correct 2 ms 2384 KB Output is correct
34 Correct 2 ms 2552 KB Output is correct
35 Correct 2 ms 2384 KB Output is correct
36 Correct 2 ms 2384 KB Output is correct
37 Correct 2 ms 2384 KB Output is correct
38 Correct 3 ms 2384 KB Output is correct
39 Correct 2 ms 2384 KB Output is correct
40 Correct 2 ms 2384 KB Output is correct
41 Correct 2 ms 2384 KB Output is correct
42 Correct 2 ms 2384 KB Output is correct
43 Correct 2 ms 2384 KB Output is correct
44 Correct 2 ms 2384 KB Output is correct
45 Correct 2 ms 2384 KB Output is correct
46 Correct 2 ms 2384 KB Output is correct
47 Correct 2 ms 2384 KB Output is correct
48 Correct 2 ms 2636 KB Output is correct
49 Correct 2 ms 2384 KB Output is correct
50 Correct 2 ms 2396 KB Output is correct
51 Correct 2 ms 2384 KB Output is correct
52 Correct 130 ms 21832 KB Output is correct
53 Correct 128 ms 24392 KB Output is correct
54 Correct 119 ms 24648 KB Output is correct
55 Correct 131 ms 24648 KB Output is correct
56 Correct 122 ms 24648 KB Output is correct
57 Correct 126 ms 24648 KB Output is correct
58 Correct 134 ms 24628 KB Output is correct
59 Correct 125 ms 24764 KB Output is correct
60 Correct 120 ms 24648 KB Output is correct
61 Correct 131 ms 24648 KB Output is correct
62 Correct 124 ms 24648 KB Output is correct
63 Correct 130 ms 24500 KB Output is correct
64 Correct 127 ms 24760 KB Output is correct
65 Correct 145 ms 24372 KB Output is correct
66 Correct 132 ms 24648 KB Output is correct
67 Correct 128 ms 24652 KB Output is correct
68 Correct 126 ms 24612 KB Output is correct