Submission #542888

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
542888	2022-03-28T11:46:59 Z	Aldas25	Art Exhibition (JOI18_art)	C++14	100 / 100	195 ms	20928 KB

/*
//#pragma GCC target ("avx2")
#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops")
*/

#include <bits/stdc++.h>

using namespace std;

#define FAST_IO ios_base::sync_with_stdio(0); cin.tie(nullptr)
#define FOR(i, a, b) for(int i = (a); i <= (b); i++)
#define REP(n) FOR(O, 1, (n))
#define pb push_back
#define f first
#define s second
typedef long double ld;
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<pii> vii;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

const int MAXN = 500100, MAXK = 20;
const ll INF = 1e16;
//const ll MOD = 1e9+7;
//const ll MOD = 998244353;

void setIO()
{
    FAST_IO;
}

void setIO(string s)
{
    FAST_IO;
    freopen((s+".in").c_str(), "r", stdin);
    freopen((s+".out").c_str(), "w", stdout);
}

int n;
vector<pair<ll, ll>> a;

int main()
{
    setIO();

    cin >> n;
    REP(n) {
        ll x, y;
        cin >> x >> y;
        a.pb({x, y});
    }

    sort(a.begin(), a.end());

    ll mn = INF;
    ll pref = 0;
    ll ans = 0;

    FOR(i, 0, n-1) {
        mn = min (mn, pref - a[i].f);
        pref += a[i].s;
        ans = max(ans, pref-a[i].f-mn);
    }

    cout << ans << "\n";

    return 0;
}

Compilation message

art.cpp: In function 'void setIO(std::string)':
art.cpp:37:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 |     freopen((s+".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
art.cpp:38:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 |     freopen((s+".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	324 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct

Subtask #2
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	324 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	328 KB	Output is correct
22	Correct	1 ms	324 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	0 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	324 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	328 KB	Output is correct
22	Correct	1 ms	324 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	0 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	2 ms	588 KB	Output is correct
28	Correct	2 ms	588 KB	Output is correct
29	Correct	2 ms	648 KB	Output is correct
30	Correct	2 ms	596 KB	Output is correct
31	Correct	2 ms	596 KB	Output is correct
32	Correct	2 ms	596 KB	Output is correct
33	Correct	2 ms	596 KB	Output is correct
34	Correct	2 ms	644 KB	Output is correct
35	Correct	3 ms	596 KB	Output is correct
36	Correct	2 ms	596 KB	Output is correct
37	Correct	3 ms	588 KB	Output is correct
38	Correct	3 ms	560 KB	Output is correct
39	Correct	3 ms	596 KB	Output is correct
40	Correct	2 ms	596 KB	Output is correct
41	Correct	3 ms	580 KB	Output is correct
42	Correct	3 ms	596 KB	Output is correct
43	Correct	2 ms	596 KB	Output is correct
44	Correct	3 ms	596 KB	Output is correct
45	Correct	3 ms	596 KB	Output is correct
46	Correct	2 ms	596 KB	Output is correct
47	Correct	3 ms	596 KB	Output is correct
48	Correct	2 ms	576 KB	Output is correct
49	Correct	2 ms	596 KB	Output is correct
50	Correct	2 ms	596 KB	Output is correct
51	Correct	2 ms	596 KB	Output is correct

Subtask #4
50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	324 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	1 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	212 KB	Output is correct
11	Correct	1 ms	212 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	1 ms	340 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	1 ms	340 KB	Output is correct
19	Correct	1 ms	340 KB	Output is correct
20	Correct	1 ms	340 KB	Output is correct
21	Correct	1 ms	328 KB	Output is correct
22	Correct	1 ms	324 KB	Output is correct
23	Correct	1 ms	340 KB	Output is correct
24	Correct	1 ms	336 KB	Output is correct
25	Correct	0 ms	340 KB	Output is correct
26	Correct	1 ms	340 KB	Output is correct
27	Correct	2 ms	588 KB	Output is correct
28	Correct	2 ms	588 KB	Output is correct
29	Correct	2 ms	648 KB	Output is correct
30	Correct	2 ms	596 KB	Output is correct
31	Correct	2 ms	596 KB	Output is correct
32	Correct	2 ms	596 KB	Output is correct
33	Correct	2 ms	596 KB	Output is correct
34	Correct	2 ms	644 KB	Output is correct
35	Correct	3 ms	596 KB	Output is correct
36	Correct	2 ms	596 KB	Output is correct
37	Correct	3 ms	588 KB	Output is correct
38	Correct	3 ms	560 KB	Output is correct
39	Correct	3 ms	596 KB	Output is correct
40	Correct	2 ms	596 KB	Output is correct
41	Correct	3 ms	580 KB	Output is correct
42	Correct	3 ms	596 KB	Output is correct
43	Correct	2 ms	596 KB	Output is correct
44	Correct	3 ms	596 KB	Output is correct
45	Correct	3 ms	596 KB	Output is correct
46	Correct	2 ms	596 KB	Output is correct
47	Correct	3 ms	596 KB	Output is correct
48	Correct	2 ms	576 KB	Output is correct
49	Correct	2 ms	596 KB	Output is correct
50	Correct	2 ms	596 KB	Output is correct
51	Correct	2 ms	596 KB	Output is correct
52	Correct	182 ms	20768 KB	Output is correct
53	Correct	183 ms	20804 KB	Output is correct
54	Correct	180 ms	20908 KB	Output is correct
55	Correct	176 ms	20920 KB	Output is correct
56	Correct	183 ms	20836 KB	Output is correct
57	Correct	176 ms	20904 KB	Output is correct
58	Correct	183 ms	20836 KB	Output is correct
59	Correct	178 ms	20824 KB	Output is correct
60	Correct	180 ms	20820 KB	Output is correct
61	Correct	177 ms	20776 KB	Output is correct
62	Correct	180 ms	20904 KB	Output is correct
63	Correct	183 ms	20840 KB	Output is correct
64	Correct	184 ms	20908 KB	Output is correct
65	Correct	184 ms	20880 KB	Output is correct
66	Correct	182 ms	20908 KB	Output is correct
67	Correct	178 ms	20928 KB	Output is correct
68	Correct	195 ms	20828 KB	Output is correct

Submission #542888

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 20.0 / 20.0

Subtask #3 20.0 / 20.0

Subtask #4 50.0 / 50.0

Subtask #1
10.0 / 10.0

Subtask #2
20.0 / 20.0

Subtask #3
20.0 / 20.0

Subtask #4
50.0 / 50.0