답안 #1075440

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1075440	2024-08-26T06:07:27 Z	Muhammad_Aneeq	송신탑 (IOI22_towers)	C++17	15 / 100	4000 ms	8668 KB

towers

#include <vector>
#include <algorithm>
#include <cmath>
#include <iostream>
using namespace std;
int const MAXN=1e5+10,LG=18;
int sp[MAXN][LG]={};
int n;
int dp[MAXN]={};
int a[MAXN]={};
bool uni=1;
int k=0;
void init(int N,vector<int> H)
{
	for (int i=0;i<N;i++)
		sp[i][0]=H[i],a[i]=H[i];
	for (int i=1;(1<<i)<=N;i++)
		for (int j=0;j+(1<<i)-1<N;j++)
			sp[j][i]=max(sp[j][i-1],sp[j+(1<<(i-1))][i-1]);
	n=N;
	for (int i=0;i+1<n;i++)
	{
		if (a[i]<a[i+1])
			k=i+1;
		else
			break;
	}
	for (int i=k;i+1<n;i++)
	{
		if (a[i]>a[i+1])
			continue;
		else
		{
			uni=0;
			break;
		}
	}
}
int get(int l,int r)
{
	if (l>r)
		return -1;
	int lg=log2(r-l+1);
	return max(sp[l][lg],sp[r-(1<<lg)+1][lg]);
}
int max_towers(int L, int R, int D)
{
	if (uni)
	{
		if (k>L&&k<R&&max(a[L],a[R])+D<=a[k])
				return 2;
		return 1;
	}
	int i=L,j=R;
	if (R-L+1<3)
	{
		return R-L+1;
	}
	int ans=0;
	for (int i=L;i<=R;i++)
	{
		dp[i]=1;
		for (int j=i-2;j>=L;j--)
		{
			int z=get(j+1,i-1);
			if (z>=max(a[i],a[j])+D)
				dp[i]=max(dp[i],dp[j]+1);
		}
		ans=max(ans,dp[i]);
	}
	return ans;
}

Compilation message

towers.cpp: In function 'int max_towers(int, int, int)':
towers.cpp:54:6: warning: unused variable 'i' [-Wunused-variable]
   54 |  int i=L,j=R;
      |      ^
towers.cpp:54:10: warning: unused variable 'j' [-Wunused-variable]
   54 |  int i=L,j=R;
      |          ^

Subtask #1
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	352 ms	5208 KB	Output is correct
2	Correct	608 ms	8536 KB	Output is correct
3	Correct	665 ms	8536 KB	Output is correct
4	Correct	664 ms	8528 KB	Output is correct
5	Correct	656 ms	8532 KB	Output is correct
6	Correct	611 ms	8536 KB	Output is correct
7	Correct	619 ms	8536 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	0 ms	600 KB	Output is correct

Subtask #2
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	8 ms	600 KB	Output is correct
3	Correct	6 ms	600 KB	Output is correct
4	Correct	5 ms	600 KB	Output is correct
5	Correct	6 ms	616 KB	Output is correct
6	Correct	1 ms	600 KB	Output is correct
7	Correct	4 ms	600 KB	Output is correct
8	Correct	0 ms	600 KB	Output is correct
9	Correct	1 ms	600 KB	Output is correct
10	Correct	1 ms	600 KB	Output is correct
11	Correct	1 ms	600 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	0 ms	600 KB	Output is correct
14	Correct	1 ms	600 KB	Output is correct
15	Correct	1 ms	600 KB	Output is correct
16	Correct	14 ms	600 KB	Output is correct
17	Correct	2 ms	600 KB	Output is correct
18	Correct	0 ms	600 KB	Output is correct
19	Correct	2 ms	852 KB	Output is correct
20	Correct	30 ms	616 KB	Output is correct
21	Correct	25 ms	600 KB	Output is correct
22	Correct	25 ms	596 KB	Output is correct
23	Correct	1 ms	600 KB	Output is correct
24	Correct	24 ms	616 KB	Output is correct
25	Correct	5 ms	340 KB	Output is correct
26	Correct	23 ms	600 KB	Output is correct
27	Correct	24 ms	624 KB	Output is correct
28	Correct	24 ms	600 KB	Output is correct
29	Correct	24 ms	600 KB	Output is correct
30	Correct	24 ms	600 KB	Output is correct
31	Correct	24 ms	600 KB	Output is correct
32	Correct	0 ms	600 KB	Output is correct
33	Correct	0 ms	600 KB	Output is correct
34	Correct	23 ms	600 KB	Output is correct
35	Correct	24 ms	600 KB	Output is correct

Subtask #3
0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	8 ms	600 KB	Output is correct
3	Correct	6 ms	600 KB	Output is correct
4	Correct	5 ms	600 KB	Output is correct
5	Correct	6 ms	616 KB	Output is correct
6	Correct	1 ms	600 KB	Output is correct
7	Correct	4 ms	600 KB	Output is correct
8	Correct	0 ms	600 KB	Output is correct
9	Correct	1 ms	600 KB	Output is correct
10	Correct	1 ms	600 KB	Output is correct
11	Correct	1 ms	600 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	0 ms	600 KB	Output is correct
14	Correct	1 ms	600 KB	Output is correct
15	Correct	1 ms	600 KB	Output is correct
16	Correct	14 ms	600 KB	Output is correct
17	Correct	2 ms	600 KB	Output is correct
18	Correct	0 ms	600 KB	Output is correct
19	Correct	2 ms	852 KB	Output is correct
20	Correct	30 ms	616 KB	Output is correct
21	Correct	25 ms	600 KB	Output is correct
22	Correct	25 ms	596 KB	Output is correct
23	Correct	1 ms	600 KB	Output is correct
24	Correct	24 ms	616 KB	Output is correct
25	Correct	5 ms	340 KB	Output is correct
26	Correct	23 ms	600 KB	Output is correct
27	Correct	24 ms	624 KB	Output is correct
28	Correct	24 ms	600 KB	Output is correct
29	Correct	24 ms	600 KB	Output is correct
30	Correct	24 ms	600 KB	Output is correct
31	Correct	24 ms	600 KB	Output is correct
32	Correct	0 ms	600 KB	Output is correct
33	Correct	0 ms	600 KB	Output is correct
34	Correct	23 ms	600 KB	Output is correct
35	Correct	24 ms	600 KB	Output is correct
36	Correct	2299 ms	5720 KB	Output is correct
37	Execution timed out	4030 ms	8668 KB	Time limit exceeded
38	Halted	0 ms	0 KB	-

Subtask #4
0 / 14.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	4064 ms	8536 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Execution timed out	4051 ms	2420 KB	Time limit exceeded
2	Halted	0 ms	0 KB	-

Subtask #6
0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	344 KB	Output is correct
2	Correct	8 ms	600 KB	Output is correct
3	Correct	6 ms	600 KB	Output is correct
4	Correct	5 ms	600 KB	Output is correct
5	Correct	6 ms	616 KB	Output is correct
6	Correct	1 ms	600 KB	Output is correct
7	Correct	4 ms	600 KB	Output is correct
8	Correct	0 ms	600 KB	Output is correct
9	Correct	1 ms	600 KB	Output is correct
10	Correct	1 ms	600 KB	Output is correct
11	Correct	1 ms	600 KB	Output is correct
12	Correct	1 ms	344 KB	Output is correct
13	Correct	0 ms	600 KB	Output is correct
14	Correct	1 ms	600 KB	Output is correct
15	Correct	1 ms	600 KB	Output is correct
16	Correct	14 ms	600 KB	Output is correct
17	Correct	2 ms	600 KB	Output is correct
18	Correct	0 ms	600 KB	Output is correct
19	Correct	2 ms	852 KB	Output is correct
20	Correct	30 ms	616 KB	Output is correct
21	Correct	25 ms	600 KB	Output is correct
22	Correct	25 ms	596 KB	Output is correct
23	Correct	1 ms	600 KB	Output is correct
24	Correct	24 ms	616 KB	Output is correct
25	Correct	5 ms	340 KB	Output is correct
26	Correct	23 ms	600 KB	Output is correct
27	Correct	24 ms	624 KB	Output is correct
28	Correct	24 ms	600 KB	Output is correct
29	Correct	24 ms	600 KB	Output is correct
30	Correct	24 ms	600 KB	Output is correct
31	Correct	24 ms	600 KB	Output is correct
32	Correct	0 ms	600 KB	Output is correct
33	Correct	0 ms	600 KB	Output is correct
34	Correct	23 ms	600 KB	Output is correct
35	Correct	24 ms	600 KB	Output is correct
36	Correct	2299 ms	5720 KB	Output is correct
37	Execution timed out	4030 ms	8668 KB	Time limit exceeded
38	Halted	0 ms	0 KB	-

Subtask #7
0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	352 ms	5208 KB	Output is correct
2	Correct	608 ms	8536 KB	Output is correct
3	Correct	665 ms	8536 KB	Output is correct
4	Correct	664 ms	8528 KB	Output is correct
5	Correct	656 ms	8532 KB	Output is correct
6	Correct	611 ms	8536 KB	Output is correct
7	Correct	619 ms	8536 KB	Output is correct
8	Correct	0 ms	344 KB	Output is correct
9	Correct	1 ms	364 KB	Output is correct
10	Correct	0 ms	600 KB	Output is correct
11	Correct	1 ms	344 KB	Output is correct
12	Correct	8 ms	600 KB	Output is correct
13	Correct	6 ms	600 KB	Output is correct
14	Correct	5 ms	600 KB	Output is correct
15	Correct	6 ms	616 KB	Output is correct
16	Correct	1 ms	600 KB	Output is correct
17	Correct	4 ms	600 KB	Output is correct
18	Correct	0 ms	600 KB	Output is correct
19	Correct	1 ms	600 KB	Output is correct
20	Correct	1 ms	600 KB	Output is correct
21	Correct	1 ms	600 KB	Output is correct
22	Correct	1 ms	344 KB	Output is correct
23	Correct	0 ms	600 KB	Output is correct
24	Correct	1 ms	600 KB	Output is correct
25	Correct	1 ms	600 KB	Output is correct
26	Correct	14 ms	600 KB	Output is correct
27	Correct	2 ms	600 KB	Output is correct
28	Correct	0 ms	600 KB	Output is correct
29	Correct	2 ms	852 KB	Output is correct
30	Correct	30 ms	616 KB	Output is correct
31	Correct	25 ms	600 KB	Output is correct
32	Correct	25 ms	596 KB	Output is correct
33	Correct	1 ms	600 KB	Output is correct
34	Correct	24 ms	616 KB	Output is correct
35	Correct	5 ms	340 KB	Output is correct
36	Correct	23 ms	600 KB	Output is correct
37	Correct	24 ms	624 KB	Output is correct
38	Correct	24 ms	600 KB	Output is correct
39	Correct	24 ms	600 KB	Output is correct
40	Correct	24 ms	600 KB	Output is correct
41	Correct	24 ms	600 KB	Output is correct
42	Correct	0 ms	600 KB	Output is correct
43	Correct	0 ms	600 KB	Output is correct
44	Correct	23 ms	600 KB	Output is correct
45	Correct	24 ms	600 KB	Output is correct
46	Correct	2299 ms	5720 KB	Output is correct
47	Execution timed out	4030 ms	8668 KB	Time limit exceeded
48	Halted	0 ms	0 KB	-

답안 #1075440

Compilation message

Subtask #1 4.0 / 4.0

Subtask #2 11.0 / 11.0

Subtask #3 0 / 12.0

Subtask #4 0 / 14.0

Subtask #5 0 / 17.0

Subtask #6 0 / 19.0

Subtask #7 0 / 23.0

Subtask #1
4.0 / 4.0

Subtask #2
11.0 / 11.0

Subtask #3
0 / 12.0

Subtask #4
0 / 14.0

Subtask #5
0 / 17.0

Subtask #6
0 / 19.0

Subtask #7
0 / 23.0