Submission #414691

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
414691	2021-05-31T04:06:25 Z	hibye1217	Art Exhibition (JOI18_art)	C++17	100 / 100	253 ms	32576 KB

#include <bits/stdc++.h>
#define endl '\n'
#define fr first
#define sc second
#define all(v) v.begin(),v.end()
#define unq(v) sort( all(v) ); v.erase( unique( all(v) ), v.end() )
#define bout(x) cout << bitset<sizeof(x)*8>(x) << endl
#define mkp(a,b) make_pair(a,b)
#define gcd(a,b) __gcd(a,b)
using namespace std;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pii = pair<int, int>;
using pll = pair<ll, ll>;
using cpl = complex<ld>;
const ld pi = 3.14159265358979323846264338327950288;
const ld tau = 2 * pi;
const int dx[4] = {0, 1, 0, -1}, dy[4] = {-1, 0, 1, 0};
const int ddx[8] = {0, 1, 1, 1, 0, -1, -1, -1}, ddy[8] = {-1, -1, 0, 1, 1, 1, 0, -1};
const int nx[8] = {1, 2, 2, 1, -1, -2, -2, -1}, ny[8] = {-2, -1, 1, 2, 2, 1, -1, -2};

//#define DEBUG

pll arr[500020];
ll prf[500020];
ll res[500020];
ll mx[500020];

void Main(){
	int n; cin >> n;
	for (int i = 1; i <= n; i++){
		cin >> arr[i].fr >> arr[i].sc;
	}
	sort(arr+1, arr+n+1, [](pll a, pll b){
		return a.fr < b.fr;
	});
	for (int i = 1; i <= n; i++){ prf[i] = prf[i-1] + arr[i].sc; }
	for (int i = 1; i <= n; i++){ res[i] = prf[i] - arr[i].fr; }
	mx[n] = res[n];
	for (int i = n-1; i >= 1; i--){ mx[i] = max(mx[i+1], res[i]); }
	ll ans = 0;
	for (int i = 1; i <= n; i++){
		ans = max(ans, mx[i] - res[i] + arr[i].sc);
	}
	cout << ans;
}

int main(){
#ifndef DEBUG
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
#endif
	cout.setf(ios::fixed);
	cout.precision(0);
	Main();
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct

Subtask #2
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	1 ms	448 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	1 ms	448 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	3 ms	460 KB	Output is correct
28	Correct	3 ms	460 KB	Output is correct
29	Correct	3 ms	460 KB	Output is correct
30	Correct	3 ms	460 KB	Output is correct
31	Correct	3 ms	460 KB	Output is correct
32	Correct	4 ms	460 KB	Output is correct
33	Correct	3 ms	460 KB	Output is correct
34	Correct	3 ms	460 KB	Output is correct
35	Correct	3 ms	460 KB	Output is correct
36	Correct	3 ms	460 KB	Output is correct
37	Correct	3 ms	460 KB	Output is correct
38	Correct	3 ms	460 KB	Output is correct
39	Correct	3 ms	460 KB	Output is correct
40	Correct	3 ms	460 KB	Output is correct
41	Correct	3 ms	460 KB	Output is correct
42	Correct	3 ms	460 KB	Output is correct
43	Correct	3 ms	460 KB	Output is correct
44	Correct	3 ms	460 KB	Output is correct
45	Correct	3 ms	460 KB	Output is correct
46	Correct	3 ms	460 KB	Output is correct
47	Correct	3 ms	460 KB	Output is correct
48	Correct	3 ms	460 KB	Output is correct
49	Correct	3 ms	460 KB	Output is correct
50	Correct	3 ms	460 KB	Output is correct
51	Correct	5 ms	460 KB	Output is correct

Subtask #4
50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	1 ms	332 KB	Output is correct
5	Correct	1 ms	332 KB	Output is correct
6	Correct	1 ms	332 KB	Output is correct
7	Correct	1 ms	332 KB	Output is correct
8	Correct	1 ms	332 KB	Output is correct
9	Correct	1 ms	332 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	1 ms	332 KB	Output is correct
14	Correct	1 ms	332 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	1 ms	448 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	1 ms	332 KB	Output is correct
19	Correct	1 ms	332 KB	Output is correct
20	Correct	1 ms	332 KB	Output is correct
21	Correct	1 ms	332 KB	Output is correct
22	Correct	1 ms	332 KB	Output is correct
23	Correct	1 ms	332 KB	Output is correct
24	Correct	1 ms	332 KB	Output is correct
25	Correct	1 ms	332 KB	Output is correct
26	Correct	1 ms	332 KB	Output is correct
27	Correct	3 ms	460 KB	Output is correct
28	Correct	3 ms	460 KB	Output is correct
29	Correct	3 ms	460 KB	Output is correct
30	Correct	3 ms	460 KB	Output is correct
31	Correct	3 ms	460 KB	Output is correct
32	Correct	4 ms	460 KB	Output is correct
33	Correct	3 ms	460 KB	Output is correct
34	Correct	3 ms	460 KB	Output is correct
35	Correct	3 ms	460 KB	Output is correct
36	Correct	3 ms	460 KB	Output is correct
37	Correct	3 ms	460 KB	Output is correct
38	Correct	3 ms	460 KB	Output is correct
39	Correct	3 ms	460 KB	Output is correct
40	Correct	3 ms	460 KB	Output is correct
41	Correct	3 ms	460 KB	Output is correct
42	Correct	3 ms	460 KB	Output is correct
43	Correct	3 ms	460 KB	Output is correct
44	Correct	3 ms	460 KB	Output is correct
45	Correct	3 ms	460 KB	Output is correct
46	Correct	3 ms	460 KB	Output is correct
47	Correct	3 ms	460 KB	Output is correct
48	Correct	3 ms	460 KB	Output is correct
49	Correct	3 ms	460 KB	Output is correct
50	Correct	3 ms	460 KB	Output is correct
51	Correct	5 ms	460 KB	Output is correct
52	Correct	227 ms	32016 KB	Output is correct
53	Correct	224 ms	32464 KB	Output is correct
54	Correct	248 ms	32476 KB	Output is correct
55	Correct	220 ms	32420 KB	Output is correct
56	Correct	230 ms	32420 KB	Output is correct
57	Correct	253 ms	32420 KB	Output is correct
58	Correct	217 ms	32456 KB	Output is correct
59	Correct	222 ms	32496 KB	Output is correct
60	Correct	215 ms	32576 KB	Output is correct
61	Correct	214 ms	32268 KB	Output is correct
62	Correct	241 ms	32544 KB	Output is correct
63	Correct	213 ms	32472 KB	Output is correct
64	Correct	218 ms	32468 KB	Output is correct
65	Correct	215 ms	32440 KB	Output is correct
66	Correct	227 ms	32476 KB	Output is correct
67	Correct	238 ms	32512 KB	Output is correct
68	Correct	214 ms	32420 KB	Output is correct

Submission #414691

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