답안 #879621

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
879621	2023-11-27T18:32:13 Z	alex_2008	Money (IZhO17_money)	C++14	45 / 100	1500 ms	11940 KB

money

#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <unordered_set>
#include <cstdlib>
#include <cstring>
#include <string>
#include <set>
#include <map>
#include <algorithm>
#include <bitset>
#include <queue>
#include <unordered_map>
#include <fstream>
#include <random>
typedef unsigned long long ull;
typedef long long ll;
using namespace std;
const int N = 1e6 + 10;
int a[N], dp[N], down[N];
int main() {
	int n;
	cin >> n;
	for (int i = 1; i <= n; i++) {
		cin >> a[i];
	}
	dp[0] = 0;
	dp[1] = 1;
	down[1] = 1;
	for (int i = 2; i <= n; i++) {
		down[i] = (a[i] < a[i - 1]) ? i : down[i - 1];
	}
	for (int i = 2; i <= n; i++) {
		int l = down[i], r = i;
		while (l <= r) {
			int mid = (l + r) / 2;			
			bool check = true;
			int R = 10000000;
			for (int j = 1; j < mid; j++) {
				if (a[j] > a[mid]) R = min(R, a[j]);
			}
			if (R < a[i]) check = false;
			if (check) {
				dp[i] = dp[mid - 1] + 1;
				r = mid - 1;
			}
			else l = mid + 1;
		}
	}
	cout << dp[n] << "\n";
}

Subtask #1

9.0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4444 KB	Output is correct
2	Correct	1 ms	4540 KB	Output is correct
3	Correct	2 ms	4440 KB	Output is correct
4	Correct	1 ms	4440 KB	Output is correct
5	Correct	1 ms	4440 KB	Output is correct
6	Correct	1 ms	4444 KB	Output is correct
7	Correct	1 ms	4444 KB	Output is correct
8	Correct	1 ms	4444 KB	Output is correct
9	Correct	1 ms	4444 KB	Output is correct
10	Correct	1 ms	4444 KB	Output is correct
11	Correct	1 ms	4444 KB	Output is correct
12	Correct	1 ms	4540 KB	Output is correct
13	Correct	1 ms	4444 KB	Output is correct
14	Correct	1 ms	4444 KB	Output is correct
15	Correct	1 ms	4440 KB	Output is correct
16	Correct	1 ms	4444 KB	Output is correct

Subtask #2

16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4444 KB	Output is correct
2	Correct	1 ms	4540 KB	Output is correct
3	Correct	2 ms	4440 KB	Output is correct
4	Correct	1 ms	4440 KB	Output is correct
5	Correct	1 ms	4440 KB	Output is correct
6	Correct	1 ms	4444 KB	Output is correct
7	Correct	1 ms	4444 KB	Output is correct
8	Correct	1 ms	4444 KB	Output is correct
9	Correct	1 ms	4444 KB	Output is correct
10	Correct	1 ms	4444 KB	Output is correct
11	Correct	1 ms	4444 KB	Output is correct
12	Correct	1 ms	4540 KB	Output is correct
13	Correct	1 ms	4444 KB	Output is correct
14	Correct	1 ms	4444 KB	Output is correct
15	Correct	1 ms	4440 KB	Output is correct
16	Correct	1 ms	4444 KB	Output is correct
17	Correct	1 ms	4440 KB	Output is correct
18	Correct	1 ms	4440 KB	Output is correct
19	Correct	1 ms	4444 KB	Output is correct
20	Correct	1 ms	4444 KB	Output is correct
21	Correct	1 ms	4444 KB	Output is correct
22	Correct	1 ms	4444 KB	Output is correct
23	Correct	1 ms	4444 KB	Output is correct
24	Correct	1 ms	4444 KB	Output is correct
25	Correct	1 ms	4696 KB	Output is correct
26	Correct	1 ms	4444 KB	Output is correct

Subtask #3

20.0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4444 KB	Output is correct
2	Correct	1 ms	4540 KB	Output is correct
3	Correct	2 ms	4440 KB	Output is correct
4	Correct	1 ms	4440 KB	Output is correct
5	Correct	1 ms	4440 KB	Output is correct
6	Correct	1 ms	4444 KB	Output is correct
7	Correct	1 ms	4444 KB	Output is correct
8	Correct	1 ms	4444 KB	Output is correct
9	Correct	1 ms	4444 KB	Output is correct
10	Correct	1 ms	4444 KB	Output is correct
11	Correct	1 ms	4444 KB	Output is correct
12	Correct	1 ms	4540 KB	Output is correct
13	Correct	1 ms	4444 KB	Output is correct
14	Correct	1 ms	4444 KB	Output is correct
15	Correct	1 ms	4440 KB	Output is correct
16	Correct	1 ms	4444 KB	Output is correct
17	Correct	1 ms	4440 KB	Output is correct
18	Correct	1 ms	4440 KB	Output is correct
19	Correct	1 ms	4444 KB	Output is correct
20	Correct	1 ms	4444 KB	Output is correct
21	Correct	1 ms	4444 KB	Output is correct
22	Correct	1 ms	4444 KB	Output is correct
23	Correct	1 ms	4444 KB	Output is correct
24	Correct	1 ms	4444 KB	Output is correct
25	Correct	1 ms	4696 KB	Output is correct
26	Correct	1 ms	4444 KB	Output is correct
27	Correct	1 ms	4444 KB	Output is correct
28	Correct	1 ms	4440 KB	Output is correct
29	Correct	1 ms	4444 KB	Output is correct
30	Correct	1 ms	4444 KB	Output is correct
31	Correct	1 ms	4444 KB	Output is correct
32	Correct	1 ms	4444 KB	Output is correct
33	Correct	1 ms	4444 KB	Output is correct
34	Correct	1 ms	4444 KB	Output is correct
35	Correct	1 ms	4444 KB	Output is correct
36	Correct	1 ms	4444 KB	Output is correct
37	Correct	1 ms	4444 KB	Output is correct
38	Correct	1 ms	4444 KB	Output is correct

Subtask #4

0 / 55.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	4444 KB	Output is correct
2	Correct	1 ms	4540 KB	Output is correct
3	Correct	2 ms	4440 KB	Output is correct
4	Correct	1 ms	4440 KB	Output is correct
5	Correct	1 ms	4440 KB	Output is correct
6	Correct	1 ms	4444 KB	Output is correct
7	Correct	1 ms	4444 KB	Output is correct
8	Correct	1 ms	4444 KB	Output is correct
9	Correct	1 ms	4444 KB	Output is correct
10	Correct	1 ms	4444 KB	Output is correct
11	Correct	1 ms	4444 KB	Output is correct
12	Correct	1 ms	4540 KB	Output is correct
13	Correct	1 ms	4444 KB	Output is correct
14	Correct	1 ms	4444 KB	Output is correct
15	Correct	1 ms	4440 KB	Output is correct
16	Correct	1 ms	4444 KB	Output is correct
17	Correct	1 ms	4440 KB	Output is correct
18	Correct	1 ms	4440 KB	Output is correct
19	Correct	1 ms	4444 KB	Output is correct
20	Correct	1 ms	4444 KB	Output is correct
21	Correct	1 ms	4444 KB	Output is correct
22	Correct	1 ms	4444 KB	Output is correct
23	Correct	1 ms	4444 KB	Output is correct
24	Correct	1 ms	4444 KB	Output is correct
25	Correct	1 ms	4696 KB	Output is correct
26	Correct	1 ms	4444 KB	Output is correct
27	Correct	1 ms	4444 KB	Output is correct
28	Correct	1 ms	4440 KB	Output is correct
29	Correct	1 ms	4444 KB	Output is correct
30	Correct	1 ms	4444 KB	Output is correct
31	Correct	1 ms	4444 KB	Output is correct
32	Correct	1 ms	4444 KB	Output is correct
33	Correct	1 ms	4444 KB	Output is correct
34	Correct	1 ms	4444 KB	Output is correct
35	Correct	1 ms	4444 KB	Output is correct
36	Correct	1 ms	4444 KB	Output is correct
37	Correct	1 ms	4444 KB	Output is correct
38	Correct	1 ms	4444 KB	Output is correct
39	Execution timed out	1549 ms	11940 KB	Time limit exceeded
40	Halted	0 ms	0 KB	-