oj.uz

Submission #1108386

# Submission time Handle Problem Language Result Execution time Memory
1108386 2024-11-04T03:23:35 Z KhanhDang Art Exhibition (JOI18_art) C++17
100 / 100
 127 ms 12164 KB 
#include<bits/stdc++.h>
using namespace std;

#define ll long long
#define FOR(i, a, b) for(int i=(a), _b=(b); i<=_b; i++)
#define FORD(i, a, b) for(int i=(a), _b=(b); i>=_b; i--)
#define BIT(i, j) ((i>>j)&1)
#define pb push_back
#define ii pair<ll, ll>
#define pii pair<ll, ii>
#define fi first
#define se second
#define task "task"

const ll inf = 1e18;
const ll mod = 1e9+7;
const ll N = 500005;
const ll M = 50005;

ll n, s[N], ans, prefix[N], t;
ii a[N];
void solve()
{
    cin >> n;
    for(int i = 1; i <= n; i++)
    {
        cin >> a[i].fi >> a[i].se;
    }
    sort(a+1, a+n+1);
    for(int i = 1; i <= n; i++)
    {
        prefix[i] = max(prefix[i-1], a[i].fi - t);
        t += a[i].se;
        ans = max(ans, t + prefix[i] - a[i].fi);

    }
    cout << ans;

}
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0), cout.tie(0);
    if(fopen(task".INP", "r"))
    {
        freopen(task".INP", "r", stdin);
        freopen(task".OUT", "w", stdout);
    }
    solve();
    return 0;
}

Compilation message

art.cpp: In function 'int main()':
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".INP", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
art.cpp:47:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   47 |         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 504 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 504 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 2 ms 336 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 336 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 336 KB Output is correct
20 Correct 1 ms 428 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 508 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 504 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 2 ms 336 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 336 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 336 KB Output is correct
20 Correct 1 ms 428 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 508 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 2 ms 592 KB Output is correct
28 Correct 2 ms 592 KB Output is correct
29 Correct 2 ms 592 KB Output is correct
30 Correct 2 ms 592 KB Output is correct
31 Correct 2 ms 592 KB Output is correct
32 Correct 2 ms 492 KB Output is correct
33 Correct 3 ms 592 KB Output is correct
34 Correct 2 ms 816 KB Output is correct
35 Correct 2 ms 592 KB Output is correct
36 Correct 2 ms 592 KB Output is correct
37 Correct 2 ms 816 KB Output is correct
38 Correct 2 ms 592 KB Output is correct
39 Correct 2 ms 592 KB Output is correct
40 Correct 2 ms 592 KB Output is correct
41 Correct 2 ms 592 KB Output is correct
42 Correct 2 ms 592 KB Output is correct
43 Correct 2 ms 592 KB Output is correct
44 Correct 2 ms 592 KB Output is correct
45 Correct 2 ms 592 KB Output is correct
46 Correct 3 ms 592 KB Output is correct
47 Correct 2 ms 592 KB Output is correct
48 Correct 2 ms 592 KB Output is correct
49 Correct 2 ms 592 KB Output is correct
50 Correct 2 ms 592 KB Output is correct
51 Correct 2 ms 592 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 504 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 2 ms 336 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 336 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 336 KB Output is correct
20 Correct 1 ms 428 KB Output is correct
21 Correct 1 ms 336 KB Output is correct
22 Correct 1 ms 336 KB Output is correct
23 Correct 1 ms 336 KB Output is correct
24 Correct 1 ms 336 KB Output is correct
25 Correct 1 ms 508 KB Output is correct
26 Correct 1 ms 336 KB Output is correct
27 Correct 2 ms 592 KB Output is correct
28 Correct 2 ms 592 KB Output is correct
29 Correct 2 ms 592 KB Output is correct
30 Correct 2 ms 592 KB Output is correct
31 Correct 2 ms 592 KB Output is correct
32 Correct 2 ms 492 KB Output is correct
33 Correct 3 ms 592 KB Output is correct
34 Correct 2 ms 816 KB Output is correct
35 Correct 2 ms 592 KB Output is correct
36 Correct 2 ms 592 KB Output is correct
37 Correct 2 ms 816 KB Output is correct
38 Correct 2 ms 592 KB Output is correct
39 Correct 2 ms 592 KB Output is correct
40 Correct 2 ms 592 KB Output is correct
41 Correct 2 ms 592 KB Output is correct
42 Correct 2 ms 592 KB Output is correct
43 Correct 2 ms 592 KB Output is correct
44 Correct 2 ms 592 KB Output is correct
45 Correct 2 ms 592 KB Output is correct
46 Correct 3 ms 592 KB Output is correct
47 Correct 2 ms 592 KB Output is correct
48 Correct 2 ms 592 KB Output is correct
49 Correct 2 ms 592 KB Output is correct
50 Correct 2 ms 592 KB Output is correct
51 Correct 2 ms 592 KB Output is correct
52 Correct 127 ms 12108 KB Output is correct
53 Correct 121 ms 12104 KB Output is correct
54 Correct 110 ms 12104 KB Output is correct
55 Correct 108 ms 12156 KB Output is correct
56 Correct 118 ms 12104 KB Output is correct
57 Correct 112 ms 12160 KB Output is correct
58 Correct 108 ms 12104 KB Output is correct
59 Correct 108 ms 12104 KB Output is correct
60 Correct 111 ms 12164 KB Output is correct
61 Correct 118 ms 12104 KB Output is correct
62 Correct 117 ms 12104 KB Output is correct
63 Correct 112 ms 12156 KB Output is correct
64 Correct 116 ms 12104 KB Output is correct
65 Correct 120 ms 12164 KB Output is correct
66 Correct 114 ms 12164 KB Output is correct
67 Correct 109 ms 12104 KB Output is correct
68 Correct 117 ms 12104 KB Output is correct