답안 #506756

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
506756	2022-01-12T06:47:36 Z	abc864197532	Money (IZhO17_money)	C++17	45 / 100	1500 ms	51248 KB

money

#include <bits/stdc++.h>
using namespace std;
#define lli long long int
#define mp make_pair
#define eb emplace_back
#define pb push_back
#define X first
#define Y second
#define pii pair<int, int>
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
void abc() {cout << endl;}
template <typename T, typename ...U> void abc(T i, U ...j) {
	cout << i << ' ', abc(j...);
}
template <typename T> void printv(T l, T r) {
	for (; l != r; ++l)
		cout << *l << " \n"[l + 1 == r];
}
#define test(x...) abc("[" + string(#x) + "]", x);
const int N = 1000001;
 
int main () {
	ios::sync_with_stdio(false);
	cin.tie(0);
	int n;
	cin >> n;
	vector <int> a(n);
	set <pii> s;
	for (int i = 0; i < n; ++i) {
		cin >> a[i], --a[i], s.insert({a[i], n - i - 1});
	}
	reverse(all(a));
	int ans = 0;
	for (int i = 0, j = 0; i < n; i = j) {
		ans++;
		if (i + 1 == n) {
			break;
		}
		while (j < n && a[i] == a[j])
			j++;
		auto it = s.lower_bound({a[i], -1});
		while (j < n && it != s.begin()) {
			--it;
			if (it->X != a[j])
				break;
			j++;
		}
		for (int k = i; k < j; ++k) {
			s.erase(s.lower_bound({a[k], k}));
		}
	}
	cout << ans << endl;
}
 
/*
6
3 6 4 5 1 2
*/

Subtask #1
9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct

Subtask #2
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	256 KB	Output is correct
25	Correct	0 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct

Subtask #3
20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	256 KB	Output is correct
25	Correct	0 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	0 ms	204 KB	Output is correct
28	Correct	0 ms	204 KB	Output is correct
29	Correct	0 ms	204 KB	Output is correct
30	Correct	0 ms	204 KB	Output is correct
31	Correct	0 ms	204 KB	Output is correct
32	Correct	0 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	0 ms	204 KB	Output is correct
35	Correct	0 ms	332 KB	Output is correct
36	Correct	1 ms	204 KB	Output is correct
37	Correct	0 ms	204 KB	Output is correct
38	Correct	1 ms	332 KB	Output is correct

Subtask #4
0 / 55.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	0 ms	204 KB	Output is correct
11	Correct	1 ms	204 KB	Output is correct
12	Correct	0 ms	204 KB	Output is correct
13	Correct	0 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 ms	204 KB	Output is correct
16	Correct	0 ms	204 KB	Output is correct
17	Correct	0 ms	204 KB	Output is correct
18	Correct	0 ms	204 KB	Output is correct
19	Correct	0 ms	204 KB	Output is correct
20	Correct	0 ms	204 KB	Output is correct
21	Correct	0 ms	204 KB	Output is correct
22	Correct	1 ms	204 KB	Output is correct
23	Correct	0 ms	204 KB	Output is correct
24	Correct	0 ms	256 KB	Output is correct
25	Correct	0 ms	204 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	0 ms	204 KB	Output is correct
28	Correct	0 ms	204 KB	Output is correct
29	Correct	0 ms	204 KB	Output is correct
30	Correct	0 ms	204 KB	Output is correct
31	Correct	0 ms	204 KB	Output is correct
32	Correct	0 ms	204 KB	Output is correct
33	Correct	1 ms	204 KB	Output is correct
34	Correct	0 ms	204 KB	Output is correct
35	Correct	0 ms	332 KB	Output is correct
36	Correct	1 ms	204 KB	Output is correct
37	Correct	0 ms	204 KB	Output is correct
38	Correct	1 ms	332 KB	Output is correct
39	Correct	212 ms	24756 KB	Output is correct
40	Correct	391 ms	40440 KB	Output is correct
41	Correct	177 ms	20028 KB	Output is correct
42	Correct	161 ms	17752 KB	Output is correct
43	Correct	109 ms	12536 KB	Output is correct
44	Correct	439 ms	51080 KB	Output is correct
45	Correct	390 ms	51188 KB	Output is correct
46	Correct	463 ms	51140 KB	Output is correct
47	Correct	332 ms	51184 KB	Output is correct
48	Correct	389 ms	51148 KB	Output is correct
49	Correct	851 ms	51248 KB	Output is correct
50	Correct	791 ms	51184 KB	Output is correct
51	Correct	894 ms	51084 KB	Output is correct
52	Correct	1022 ms	51164 KB	Output is correct
53	Correct	997 ms	51156 KB	Output is correct
54	Correct	1020 ms	51132 KB	Output is correct
55	Execution timed out	1524 ms	51188 KB	Time limit exceeded
56	Halted	0 ms	0 KB	-

답안 #506756

Compilation message

Subtask #1 9.0 / 9.0

Subtask #2 16.0 / 16.0

Subtask #3 20.0 / 20.0

Subtask #4 0 / 55.0

Subtask #1
9.0 / 9.0

Subtask #2
16.0 / 16.0

Subtask #3
20.0 / 20.0

Subtask #4
0 / 55.0