답안 #596891

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
596891	2022-07-15T08:48:29 Z	장태환(#8448)	Fish 2 (JOI22_fish2)	C++17	25 / 100	4000 ms	4652 KB

fish2

#include <bits/stdc++.h>
using namespace std;
#define int long long
int par[100100];
int lc[100100];
int rc[100100];
int sum[100100];
int arr[100100];
int N;
int dfs(int n)
{
	if (n == -1)
		return 0;
	sum[n] = arr[n];
	sum[n] += dfs(lc[n]);
	sum[n] += dfs(rc[n]);
	return sum[n];
}
int build(int s,int e)
{
	memset(par, -1, sizeof(par));
	memset(lc, -1, sizeof(lc));
	memset(rc, -1, sizeof(rc));
	memset(sum,0, sizeof(sum));
	int i;
	int rt = s;
	for (i = s+1; i <=e; i++)
	{
		int c = i - 1;
		while (c!=-1&&arr[c] <= arr[i])
		{
			c = par[c];
		}
		if (c != -1)
		{
			par[rc[c]] = i;
			lc[i] = rc[c];
			par[i] = c;
			rc[c] = i;
		}
		else
		{
			par[rt] = i;
			lc[i] = rt;
			rt = i;
		}
	}
	dfs(rt);
	return rt;
}

int calcu(int n)
{
	if (n == -1)
		return 0;
	int ans = 1;
	if (lc[n] != -1 && sum[lc[n]] >= arr[n])
	{
		ans += calcu(lc[n]);
	}
	if (rc[n] != -1 && sum[rc[n]] >= arr[n])
	{
		ans += calcu(rc[n]);
	}
	return ans;
}
signed main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cin >> N;
	int i;
	for (i = 0; i < N; i++)
	{
		cin >> arr[i];
	}
	int Q;
	cin >> Q;
	while (Q--)
	{
		int a, b, c;
		cin >> a >> b >> c;
		if (a == 1)
		{
			arr[b - 1] = c;
		}
		else
		{
			
			cout << calcu(build(b - 1, c - 1))<<'\n';
		}
	}
}

Subtask #1
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	3412 KB	Output is correct
2	Correct	2 ms	3412 KB	Output is correct
3	Correct	2 ms	3412 KB	Output is correct
4	Correct	2 ms	3412 KB	Output is correct
5	Correct	9 ms	3472 KB	Output is correct
6	Correct	43 ms	3412 KB	Output is correct
7	Correct	10 ms	3460 KB	Output is correct
8	Correct	28 ms	3412 KB	Output is correct
9	Correct	32 ms	3468 KB	Output is correct
10	Correct	13 ms	3468 KB	Output is correct
11	Correct	34 ms	3412 KB	Output is correct
12	Correct	12 ms	3464 KB	Output is correct
13	Correct	32 ms	3464 KB	Output is correct
14	Correct	10 ms	3412 KB	Output is correct
15	Correct	20 ms	3468 KB	Output is correct
16	Correct	45 ms	3412 KB	Output is correct
17	Correct	22 ms	3412 KB	Output is correct
18	Correct	53 ms	3412 KB	Output is correct
19	Correct	17 ms	3412 KB	Output is correct
20	Correct	33 ms	3412 KB	Output is correct

Subtask #2
8.0 / 8.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	3412 KB	Output is correct
2	Correct	10 ms	4180 KB	Output is correct
3	Correct	11 ms	4236 KB	Output is correct
4	Correct	11 ms	4180 KB	Output is correct
5	Correct	10 ms	4180 KB	Output is correct
6	Correct	20 ms	4164 KB	Output is correct
7	Correct	15 ms	4180 KB	Output is correct
8	Correct	15 ms	4220 KB	Output is correct
9	Correct	11 ms	4228 KB	Output is correct
10	Correct	11 ms	4216 KB	Output is correct
11	Correct	8 ms	4180 KB	Output is correct
12	Correct	9 ms	4204 KB	Output is correct
13	Correct	9 ms	4248 KB	Output is correct
14	Correct	11 ms	4436 KB	Output is correct
15	Correct	16 ms	4500 KB	Output is correct

Subtask #3
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	3412 KB	Output is correct
2	Correct	2 ms	3412 KB	Output is correct
3	Correct	2 ms	3412 KB	Output is correct
4	Correct	2 ms	3412 KB	Output is correct
5	Correct	9 ms	3472 KB	Output is correct
6	Correct	43 ms	3412 KB	Output is correct
7	Correct	10 ms	3460 KB	Output is correct
8	Correct	28 ms	3412 KB	Output is correct
9	Correct	32 ms	3468 KB	Output is correct
10	Correct	13 ms	3468 KB	Output is correct
11	Correct	34 ms	3412 KB	Output is correct
12	Correct	12 ms	3464 KB	Output is correct
13	Correct	32 ms	3464 KB	Output is correct
14	Correct	10 ms	3412 KB	Output is correct
15	Correct	20 ms	3468 KB	Output is correct
16	Correct	45 ms	3412 KB	Output is correct
17	Correct	22 ms	3412 KB	Output is correct
18	Correct	53 ms	3412 KB	Output is correct
19	Correct	17 ms	3412 KB	Output is correct
20	Correct	33 ms	3412 KB	Output is correct
21	Correct	1 ms	3412 KB	Output is correct
22	Correct	10 ms	4180 KB	Output is correct
23	Correct	11 ms	4236 KB	Output is correct
24	Correct	11 ms	4180 KB	Output is correct
25	Correct	10 ms	4180 KB	Output is correct
26	Correct	20 ms	4164 KB	Output is correct
27	Correct	15 ms	4180 KB	Output is correct
28	Correct	15 ms	4220 KB	Output is correct
29	Correct	11 ms	4228 KB	Output is correct
30	Correct	11 ms	4216 KB	Output is correct
31	Correct	8 ms	4180 KB	Output is correct
32	Correct	9 ms	4204 KB	Output is correct
33	Correct	9 ms	4248 KB	Output is correct
34	Correct	11 ms	4436 KB	Output is correct
35	Correct	16 ms	4500 KB	Output is correct
36	Correct	227 ms	4372 KB	Output is correct
37	Correct	407 ms	4216 KB	Output is correct
38	Correct	431 ms	4180 KB	Output is correct
39	Correct	119 ms	4308 KB	Output is correct
40	Correct	475 ms	4224 KB	Output is correct
41	Correct	779 ms	4228 KB	Output is correct
42	Correct	962 ms	4224 KB	Output is correct
43	Correct	567 ms	4220 KB	Output is correct
44	Correct	671 ms	4220 KB	Output is correct
45	Correct	325 ms	4248 KB	Output is correct
46	Correct	424 ms	4352 KB	Output is correct
47	Correct	521 ms	4220 KB	Output is correct
48	Correct	231 ms	4244 KB	Output is correct
49	Correct	739 ms	4388 KB	Output is correct
50	Correct	425 ms	4508 KB	Output is correct
51	Correct	1654 ms	4652 KB	Output is correct
52	Correct	1787 ms	4520 KB	Output is correct

Subtask #4
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	3412 KB	Output is correct
2	Correct	10 ms	4180 KB	Output is correct
3	Correct	11 ms	4236 KB	Output is correct
4	Correct	11 ms	4180 KB	Output is correct
5	Correct	10 ms	4180 KB	Output is correct
6	Correct	20 ms	4164 KB	Output is correct
7	Correct	15 ms	4180 KB	Output is correct
8	Correct	15 ms	4220 KB	Output is correct
9	Correct	11 ms	4228 KB	Output is correct
10	Correct	11 ms	4216 KB	Output is correct
11	Correct	8 ms	4180 KB	Output is correct
12	Correct	9 ms	4204 KB	Output is correct
13	Correct	9 ms	4248 KB	Output is correct
14	Correct	11 ms	4436 KB	Output is correct
15	Correct	16 ms	4500 KB	Output is correct
16	Correct	3 ms	3412 KB	Output is correct
17	Execution timed out	4094 ms	4220 KB	Time limit exceeded
18	Halted	0 ms	0 KB	-

Subtask #5
0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	3412 KB	Output is correct
2	Correct	10 ms	4180 KB	Output is correct
3	Correct	11 ms	4236 KB	Output is correct
4	Correct	11 ms	4180 KB	Output is correct
5	Correct	10 ms	4180 KB	Output is correct
6	Correct	20 ms	4164 KB	Output is correct
7	Correct	15 ms	4180 KB	Output is correct
8	Correct	15 ms	4220 KB	Output is correct
9	Correct	11 ms	4228 KB	Output is correct
10	Correct	11 ms	4216 KB	Output is correct
11	Correct	8 ms	4180 KB	Output is correct
12	Correct	9 ms	4204 KB	Output is correct
13	Correct	9 ms	4248 KB	Output is correct
14	Correct	11 ms	4436 KB	Output is correct
15	Correct	16 ms	4500 KB	Output is correct
16	Correct	2 ms	3412 KB	Output is correct
17	Execution timed out	4096 ms	4348 KB	Time limit exceeded
18	Halted	0 ms	0 KB	-

Subtask #6
0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	3412 KB	Output is correct
2	Correct	2 ms	3412 KB	Output is correct
3	Correct	2 ms	3412 KB	Output is correct
4	Correct	2 ms	3412 KB	Output is correct
5	Correct	9 ms	3472 KB	Output is correct
6	Correct	43 ms	3412 KB	Output is correct
7	Correct	10 ms	3460 KB	Output is correct
8	Correct	28 ms	3412 KB	Output is correct
9	Correct	32 ms	3468 KB	Output is correct
10	Correct	13 ms	3468 KB	Output is correct
11	Correct	34 ms	3412 KB	Output is correct
12	Correct	12 ms	3464 KB	Output is correct
13	Correct	32 ms	3464 KB	Output is correct
14	Correct	10 ms	3412 KB	Output is correct
15	Correct	20 ms	3468 KB	Output is correct
16	Correct	45 ms	3412 KB	Output is correct
17	Correct	22 ms	3412 KB	Output is correct
18	Correct	53 ms	3412 KB	Output is correct
19	Correct	17 ms	3412 KB	Output is correct
20	Correct	33 ms	3412 KB	Output is correct
21	Correct	1 ms	3412 KB	Output is correct
22	Correct	10 ms	4180 KB	Output is correct
23	Correct	11 ms	4236 KB	Output is correct
24	Correct	11 ms	4180 KB	Output is correct
25	Correct	10 ms	4180 KB	Output is correct
26	Correct	20 ms	4164 KB	Output is correct
27	Correct	15 ms	4180 KB	Output is correct
28	Correct	15 ms	4220 KB	Output is correct
29	Correct	11 ms	4228 KB	Output is correct
30	Correct	11 ms	4216 KB	Output is correct
31	Correct	8 ms	4180 KB	Output is correct
32	Correct	9 ms	4204 KB	Output is correct
33	Correct	9 ms	4248 KB	Output is correct
34	Correct	11 ms	4436 KB	Output is correct
35	Correct	16 ms	4500 KB	Output is correct
36	Correct	227 ms	4372 KB	Output is correct
37	Correct	407 ms	4216 KB	Output is correct
38	Correct	431 ms	4180 KB	Output is correct
39	Correct	119 ms	4308 KB	Output is correct
40	Correct	475 ms	4224 KB	Output is correct
41	Correct	779 ms	4228 KB	Output is correct
42	Correct	962 ms	4224 KB	Output is correct
43	Correct	567 ms	4220 KB	Output is correct
44	Correct	671 ms	4220 KB	Output is correct
45	Correct	325 ms	4248 KB	Output is correct
46	Correct	424 ms	4352 KB	Output is correct
47	Correct	521 ms	4220 KB	Output is correct
48	Correct	231 ms	4244 KB	Output is correct
49	Correct	739 ms	4388 KB	Output is correct
50	Correct	425 ms	4508 KB	Output is correct
51	Correct	1654 ms	4652 KB	Output is correct
52	Correct	1787 ms	4520 KB	Output is correct
53	Correct	3 ms	3412 KB	Output is correct
54	Execution timed out	4094 ms	4220 KB	Time limit exceeded
55	Halted	0 ms	0 KB	-

답안 #596891

Compilation message

Subtask #1 5.0 / 5.0

Subtask #2 8.0 / 8.0

Subtask #3 12.0 / 12.0

Subtask #4 0 / 23.0

Subtask #5 0 / 35.0

Subtask #6 0 / 17.0

Subtask #1
5.0 / 5.0

Subtask #2
8.0 / 8.0

Subtask #3
12.0 / 12.0

Subtask #4
0 / 23.0

Subtask #5
0 / 35.0

Subtask #6
0 / 17.0