Submission #208775

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
208775	2020-03-12T07:21:04 Z	Siberian	Art Exhibition (JOI18_art)	C++14	100 / 100	243 ms	24924 KB

#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
#define all(x) x.begin(), x.end()

template <typename T1, typename T2> inline void chkmin(T1 &x, const T2 & y) {if (x > y) x = y;}
template <typename T1, typename T2> inline void chkmax(T1 &x, const T2 & y) {if (x < y) x = y;}

struct item{
	ll a;
	int b;
	item() {}
	item(ll _a, int _b) {
		a = _a, b = _b;
	}
};

bool operator<(const item & a, const item & b) {
	return tie(a.a, a.b) < tie(b.a, b.b);
}

int n;
vector<item> a;

void read() {
	cin >> n;
	a.resize(n);
	for (auto &i : a) {
		cin >> i.a >> i.b;
	}
	sort(all(a));
}

vector<ll> pref;

void build () {
	pref.resize(n);
	for (int i = 0; i < n; i++) {
		pref[i] = a[i].b;
		if (i > 0) pref[i] += pref[i - 1];
	}
}

ll ans;

void run() {
	/*cout << "a = " << endl;
	for (auto i : a)
		cout << i.a << " " << i.b << endl;*/
	build();
	ans = 0;
	ll min_val = 0;
	for (int i = 0; i < n; i++) {
		chkmin(min_val, (i > 0 ? pref[i - 1] : 0) - a[i].a);
		chkmax(ans, pref[i] - a[i].a - min_val);
	}
}

void write() {
	cout << ans << endl;
}

signed main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	read();
	run();
	write();
	return 0;
}

Subtask #1
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	380 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct

Subtask #2
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	380 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	376 KB	Output is correct
13	Correct	5 ms	504 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct
16	Correct	5 ms	376 KB	Output is correct
17	Correct	5 ms	376 KB	Output is correct
18	Correct	5 ms	376 KB	Output is correct
19	Correct	5 ms	376 KB	Output is correct
20	Correct	5 ms	376 KB	Output is correct
21	Correct	5 ms	376 KB	Output is correct
22	Correct	5 ms	376 KB	Output is correct
23	Correct	5 ms	376 KB	Output is correct
24	Correct	5 ms	376 KB	Output is correct
25	Correct	5 ms	376 KB	Output is correct
26	Correct	5 ms	376 KB	Output is correct

Subtask #3
20.0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	380 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	376 KB	Output is correct
13	Correct	5 ms	504 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct
16	Correct	5 ms	376 KB	Output is correct
17	Correct	5 ms	376 KB	Output is correct
18	Correct	5 ms	376 KB	Output is correct
19	Correct	5 ms	376 KB	Output is correct
20	Correct	5 ms	376 KB	Output is correct
21	Correct	5 ms	376 KB	Output is correct
22	Correct	5 ms	376 KB	Output is correct
23	Correct	5 ms	376 KB	Output is correct
24	Correct	5 ms	376 KB	Output is correct
25	Correct	5 ms	376 KB	Output is correct
26	Correct	5 ms	376 KB	Output is correct
27	Correct	9 ms	632 KB	Output is correct
28	Correct	7 ms	632 KB	Output is correct
29	Correct	7 ms	504 KB	Output is correct
30	Correct	7 ms	504 KB	Output is correct
31	Correct	7 ms	632 KB	Output is correct
32	Correct	7 ms	504 KB	Output is correct
33	Correct	7 ms	508 KB	Output is correct
34	Correct	7 ms	632 KB	Output is correct
35	Correct	7 ms	504 KB	Output is correct
36	Correct	7 ms	508 KB	Output is correct
37	Correct	7 ms	632 KB	Output is correct
38	Correct	7 ms	504 KB	Output is correct
39	Correct	7 ms	504 KB	Output is correct
40	Correct	7 ms	504 KB	Output is correct
41	Correct	7 ms	632 KB	Output is correct
42	Correct	7 ms	504 KB	Output is correct
43	Correct	7 ms	504 KB	Output is correct
44	Correct	7 ms	632 KB	Output is correct
45	Correct	7 ms	504 KB	Output is correct
46	Correct	7 ms	504 KB	Output is correct
47	Correct	7 ms	632 KB	Output is correct
48	Correct	7 ms	504 KB	Output is correct
49	Correct	7 ms	504 KB	Output is correct
50	Correct	7 ms	504 KB	Output is correct
51	Correct	7 ms	504 KB	Output is correct

Subtask #4
50.0 / 50.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	376 KB	Output is correct
2	Correct	5 ms	376 KB	Output is correct
3	Correct	5 ms	376 KB	Output is correct
4	Correct	5 ms	380 KB	Output is correct
5	Correct	5 ms	376 KB	Output is correct
6	Correct	5 ms	376 KB	Output is correct
7	Correct	5 ms	376 KB	Output is correct
8	Correct	5 ms	376 KB	Output is correct
9	Correct	5 ms	376 KB	Output is correct
10	Correct	5 ms	376 KB	Output is correct
11	Correct	5 ms	376 KB	Output is correct
12	Correct	5 ms	376 KB	Output is correct
13	Correct	5 ms	504 KB	Output is correct
14	Correct	5 ms	376 KB	Output is correct
15	Correct	5 ms	376 KB	Output is correct
16	Correct	5 ms	376 KB	Output is correct
17	Correct	5 ms	376 KB	Output is correct
18	Correct	5 ms	376 KB	Output is correct
19	Correct	5 ms	376 KB	Output is correct
20	Correct	5 ms	376 KB	Output is correct
21	Correct	5 ms	376 KB	Output is correct
22	Correct	5 ms	376 KB	Output is correct
23	Correct	5 ms	376 KB	Output is correct
24	Correct	5 ms	376 KB	Output is correct
25	Correct	5 ms	376 KB	Output is correct
26	Correct	5 ms	376 KB	Output is correct
27	Correct	9 ms	632 KB	Output is correct
28	Correct	7 ms	632 KB	Output is correct
29	Correct	7 ms	504 KB	Output is correct
30	Correct	7 ms	504 KB	Output is correct
31	Correct	7 ms	632 KB	Output is correct
32	Correct	7 ms	504 KB	Output is correct
33	Correct	7 ms	508 KB	Output is correct
34	Correct	7 ms	632 KB	Output is correct
35	Correct	7 ms	504 KB	Output is correct
36	Correct	7 ms	508 KB	Output is correct
37	Correct	7 ms	632 KB	Output is correct
38	Correct	7 ms	504 KB	Output is correct
39	Correct	7 ms	504 KB	Output is correct
40	Correct	7 ms	504 KB	Output is correct
41	Correct	7 ms	632 KB	Output is correct
42	Correct	7 ms	504 KB	Output is correct
43	Correct	7 ms	504 KB	Output is correct
44	Correct	7 ms	632 KB	Output is correct
45	Correct	7 ms	504 KB	Output is correct
46	Correct	7 ms	504 KB	Output is correct
47	Correct	7 ms	632 KB	Output is correct
48	Correct	7 ms	504 KB	Output is correct
49	Correct	7 ms	504 KB	Output is correct
50	Correct	7 ms	504 KB	Output is correct
51	Correct	7 ms	504 KB	Output is correct
52	Correct	240 ms	24660 KB	Output is correct
53	Correct	239 ms	24696 KB	Output is correct
54	Correct	239 ms	24828 KB	Output is correct
55	Correct	238 ms	24700 KB	Output is correct
56	Correct	240 ms	24772 KB	Output is correct
57	Correct	239 ms	24696 KB	Output is correct
58	Correct	239 ms	24696 KB	Output is correct
59	Correct	239 ms	24712 KB	Output is correct
60	Correct	241 ms	24696 KB	Output is correct
61	Correct	238 ms	24696 KB	Output is correct
62	Correct	239 ms	24820 KB	Output is correct
63	Correct	243 ms	24728 KB	Output is correct
64	Correct	231 ms	24696 KB	Output is correct
65	Correct	238 ms	24696 KB	Output is correct
66	Correct	237 ms	24696 KB	Output is correct
67	Correct	242 ms	24824 KB	Output is correct
68	Correct	242 ms	24924 KB	Output is correct

Submission #208775

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