oj.uz

Submission #1108368

# Submission time Handle Problem Language Result Execution time Memory
1108368 2024-11-04T01:57:04 Z vjudge1 Art Exhibition (JOI18_art) C++17
100 / 100
 124 ms 8264 KB 
#include<bits/stdc++.h>
#define BIT(x, k) (((x) >> (k)) & 1)
#define on(x, k) ((x) ^ (1ll << (k)))
#define pii pair<int, int>
#define fi first
#define se second
#define all(x) x.begin(), x.end()
#define ll long long

using namespace std;

const int N = 5e5 + 5;

int n;
pair<ll, ll> a[N];

void process()
{
    cin >> n;
    for(int i = 1; i <= n; i++)
        cin >> a[i].fi >> a[i].se;
    sort(a + 1, a + n + 1);
    ll ans = 0, mx = -1e15;
    for(int i = 1; i <= n; i++)
    {
        a[i].se += a[i - 1].se;
        mx = max(mx, a[i].fi - a[i - 1].se);
        ans = max(ans, a[i].se - a[i].fi + mx);
    }
    cout << ans;
}

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    #define TASK "TASK"
    if (fopen(TASK".INP", "r"))
    {
        freopen(TASK".INP", "r", stdin);
        freopen(TASK".OUT", "w", stdout);
    }
    process();
    cerr << "\nTime elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << "s";
}

Compilation message

art.cpp: In function 'int main()':
art.cpp:40:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   40 |         freopen(TASK".INP", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
art.cpp:41:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   41 |         freopen(TASK".OUT", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 588 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 376 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 504 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 504 KB Output is correct
23 Correct 1 ms 504 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 336 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 588 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 376 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 504 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 504 KB Output is correct
23 Correct 1 ms 504 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 2 ms 336 KB Output is correct
28 Correct 2 ms 336 KB Output is correct
29 Correct 2 ms 516 KB Output is correct
30 Correct 2 ms 336 KB Output is correct
31 Correct 2 ms 336 KB Output is correct
32 Correct 2 ms 336 KB Output is correct
33 Correct 2 ms 336 KB Output is correct
34 Correct 2 ms 336 KB Output is correct
35 Correct 2 ms 336 KB Output is correct
36 Correct 2 ms 336 KB Output is correct
37 Correct 2 ms 336 KB Output is correct
38 Correct 2 ms 352 KB Output is correct
39 Correct 2 ms 460 KB Output is correct
40 Correct 2 ms 336 KB Output is correct
41 Correct 2 ms 336 KB Output is correct
42 Correct 2 ms 508 KB Output is correct
43 Correct 2 ms 336 KB Output is correct
44 Correct 2 ms 352 KB Output is correct
45 Correct 2 ms 348 KB Output is correct
46 Correct 2 ms 348 KB Output is correct
47 Correct 2 ms 336 KB Output is correct
48 Correct 2 ms 336 KB Output is correct
49 Correct 2 ms 336 KB Output is correct
50 Correct 2 ms 336 KB Output is correct
51 Correct 2 ms 336 KB Output is correct

Subtask #4
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 336 KB Output is correct
8 Correct 1 ms 336 KB Output is correct
9 Correct 1 ms 336 KB Output is correct
10 Correct 1 ms 336 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 588 KB Output is correct
13 Correct 1 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 376 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 336 KB Output is correct
18 Correct 1 ms 336 KB Output is correct
19 Correct 1 ms 504 KB Output is correct
20 Correct 1 ms 336 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 504 KB Output is correct
23 Correct 1 ms 504 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 2 ms 336 KB Output is correct
28 Correct 2 ms 336 KB Output is correct
29 Correct 2 ms 516 KB Output is correct
30 Correct 2 ms 336 KB Output is correct
31 Correct 2 ms 336 KB Output is correct
32 Correct 2 ms 336 KB Output is correct
33 Correct 2 ms 336 KB Output is correct
34 Correct 2 ms 336 KB Output is correct
35 Correct 2 ms 336 KB Output is correct
36 Correct 2 ms 336 KB Output is correct
37 Correct 2 ms 336 KB Output is correct
38 Correct 2 ms 352 KB Output is correct
39 Correct 2 ms 460 KB Output is correct
40 Correct 2 ms 336 KB Output is correct
41 Correct 2 ms 336 KB Output is correct
42 Correct 2 ms 508 KB Output is correct
43 Correct 2 ms 336 KB Output is correct
44 Correct 2 ms 352 KB Output is correct
45 Correct 2 ms 348 KB Output is correct
46 Correct 2 ms 348 KB Output is correct
47 Correct 2 ms 336 KB Output is correct
48 Correct 2 ms 336 KB Output is correct
49 Correct 2 ms 336 KB Output is correct
50 Correct 2 ms 336 KB Output is correct
51 Correct 2 ms 336 KB Output is correct
52 Correct 118 ms 8264 KB Output is correct
53 Correct 112 ms 8264 KB Output is correct
54 Correct 109 ms 8264 KB Output is correct
55 Correct 110 ms 8060 KB Output is correct
56 Correct 116 ms 8060 KB Output is correct
57 Correct 124 ms 8060 KB Output is correct
58 Correct 112 ms 8064 KB Output is correct
59 Correct 111 ms 8264 KB Output is correct
60 Correct 114 ms 8264 KB Output is correct
61 Correct 116 ms 8264 KB Output is correct
62 Correct 122 ms 8064 KB Output is correct
63 Correct 117 ms 8264 KB Output is correct
64 Correct 116 ms 8264 KB Output is correct
65 Correct 115 ms 8068 KB Output is correct
66 Correct 123 ms 8264 KB Output is correct
67 Correct 124 ms 8264 KB Output is correct
68 Correct 116 ms 8264 KB Output is correct