답안 #207736

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
207736	2020-03-08T17:51:18 Z	Lightning	Art Exhibition (JOI18_art)	C++14	100 / 100	300 ms	16760 KB

#include <iostream>
#include <algorithm>
#include <vector>
#include <cmath>
#include <set>
#include <map>
#include <iomanip>
#include <cassert>
#include <stack>
#include <queue>
#include <deque>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>

using namespace std;
//using namespace __gnu_pbds;

typedef long long ll;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;

// template<typename T> using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
//  order_of_key (k) : Number of items strictly smaller than k .
//  find_by_order(k) : K-th element in a set (counting from zero).
#define sz(a) (int)a.size()
#define all(a) a.begin(), a.end()
#define pb push_back
#define ppb pop_back
#define mkp make_pair
#define F first
#define S second
#define show(a) cerr << #a <<" -> "<< a <<"\n"
#define fo(a, b, c, d) for(int (a) = (b); (a) <= (c); (a) += (d))
#define foo(a, b, c ,d) for(int (a) = (b); (a) >= (c); (a) -= (d))
#define int ll

const int szT = (1 << 19) - 1;
const int INF = 1e9 + 5;

int n, ans;
pll a[szT];
ll t[szT * 4];

void upd(int pos, ll x) {
	pos += szT;
	t[pos] = x;
	while((pos /= 2) >= 1) {
		t[pos] = min(t[pos * 2], t[pos * 2 + 1]);
	}
}

ll get(int l, int r) {
	ll res = INF;
	for(l += szT, r += szT; l <= r; l /= 2, r /= 2) {
		if(l % 2 == 1) res = min(res, t[l++]);
		if(r % 2 == 0) res = min(res, t[r--]);
		if(l > r) break;
	}
	return res;
}

void solve() {
	cin >> n;
	for (int i = 1; i <= n; ++i) {
		cin >> a[i].F >> a[i].S;
	}
	sort(a + 1, a + n + 1);
	int sum = 0;
	for (int i = 1; i <= n; ++i) {
		sum += a[i].S;
      	ans = max(ans, a[i].S);
		if (1 < i) ans = max(ans, sum - a[i].F - get(1, i - 1));
		upd(i, (sum - a[i].S) - a[i].F);
	}
	cout << ans;
}

 main () {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	int tt = 1;
	while (tt --) {
		solve();
	}
	return 0;
}
/*
	If you only do what you can do, 
	You will never be more than you are now!
*/

Compilation message

art.cpp:78:8: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  main () {
        ^

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	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	376 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

#	결과	실행 시간	메모리	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	376 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	376 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	504 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	504 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

#	결과	실행 시간	메모리	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	376 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	376 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	504 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	504 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	8 ms	632 KB	Output is correct
28	Correct	7 ms	632 KB	Output is correct
29	Correct	7 ms	632 KB	Output is correct
30	Correct	7 ms	632 KB	Output is correct
31	Correct	8 ms	760 KB	Output is correct
32	Correct	7 ms	636 KB	Output is correct
33	Correct	8 ms	764 KB	Output is correct
34	Correct	7 ms	632 KB	Output is correct
35	Correct	7 ms	632 KB	Output is correct
36	Correct	7 ms	632 KB	Output is correct
37	Correct	8 ms	632 KB	Output is correct
38	Correct	7 ms	636 KB	Output is correct
39	Correct	7 ms	632 KB	Output is correct
40	Correct	7 ms	632 KB	Output is correct
41	Correct	7 ms	632 KB	Output is correct
42	Correct	8 ms	632 KB	Output is correct
43	Correct	7 ms	632 KB	Output is correct
44	Correct	7 ms	760 KB	Output is correct
45	Correct	7 ms	632 KB	Output is correct
46	Correct	8 ms	632 KB	Output is correct
47	Correct	7 ms	632 KB	Output is correct
48	Correct	7 ms	632 KB	Output is correct
49	Correct	7 ms	632 KB	Output is correct
50	Correct	9 ms	760 KB	Output is correct
51	Correct	7 ms	632 KB	Output is correct

Subtask #4
50.0 / 50.0

#	결과	실행 시간	메모리	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	376 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	376 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	504 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	504 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	8 ms	632 KB	Output is correct
28	Correct	7 ms	632 KB	Output is correct
29	Correct	7 ms	632 KB	Output is correct
30	Correct	7 ms	632 KB	Output is correct
31	Correct	8 ms	760 KB	Output is correct
32	Correct	7 ms	636 KB	Output is correct
33	Correct	8 ms	764 KB	Output is correct
34	Correct	7 ms	632 KB	Output is correct
35	Correct	7 ms	632 KB	Output is correct
36	Correct	7 ms	632 KB	Output is correct
37	Correct	8 ms	632 KB	Output is correct
38	Correct	7 ms	636 KB	Output is correct
39	Correct	7 ms	632 KB	Output is correct
40	Correct	7 ms	632 KB	Output is correct
41	Correct	7 ms	632 KB	Output is correct
42	Correct	8 ms	632 KB	Output is correct
43	Correct	7 ms	632 KB	Output is correct
44	Correct	7 ms	760 KB	Output is correct
45	Correct	7 ms	632 KB	Output is correct
46	Correct	8 ms	632 KB	Output is correct
47	Correct	7 ms	632 KB	Output is correct
48	Correct	7 ms	632 KB	Output is correct
49	Correct	7 ms	632 KB	Output is correct
50	Correct	9 ms	760 KB	Output is correct
51	Correct	7 ms	632 KB	Output is correct
52	Correct	284 ms	16760 KB	Output is correct
53	Correct	297 ms	16428 KB	Output is correct
54	Correct	280 ms	16376 KB	Output is correct
55	Correct	300 ms	16408 KB	Output is correct
56	Correct	282 ms	16504 KB	Output is correct
57	Correct	287 ms	16376 KB	Output is correct
58	Correct	291 ms	16452 KB	Output is correct
59	Correct	291 ms	16376 KB	Output is correct
60	Correct	285 ms	16512 KB	Output is correct
61	Correct	287 ms	16376 KB	Output is correct
62	Correct	279 ms	16376 KB	Output is correct
63	Correct	283 ms	16380 KB	Output is correct
64	Correct	280 ms	16376 KB	Output is correct
65	Correct	298 ms	16376 KB	Output is correct
66	Correct	282 ms	16376 KB	Output is correct
67	Correct	285 ms	16480 KB	Output is correct
68	Correct	282 ms	16468 KB	Output is correct

답안 #207736

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