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답안 #290674

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
290674 2020-09-04T10:10:08 Z tinjyu Mountains (IOI17_mountains) C++14
0 / 100
 1 ms 384 KB 
#include "mountains.h"
#include <vector>
#include <iostream>
using namespace std;
int tag[2005][2005],no,num[2005],tag2[2005],dp[2005];
int maximum_deevs(std::vector<int> y) {
	int n=y.size(),ans=1;
	for(int i=0;i<n;i++)
	{
		int tmp=0;
		double ma=999999999999;
		for(int j=i-1;j>=0;j--)
		{
			if((double)(y[i]-y[j])/(double)(i-j)<=ma)
			{
				tmp++;
				tag[i][j]=1;
				ma=(double)(y[i]-y[j])/(double)(i-j);
			}
		}
		ma=-999999999999;
		num[i]=tmp;
		//cout<<num[i]<<endl;
	}
	dp[0]=1;
	for(int i=1;i<n;i++)
	{
		for(int j=0;j<i;j++)
		{
			if(tag[i][j]==1)continue;
			dp[i]=max(dp[i],dp[j]+1);
		}
		ans=max(dp[i],ans);
	}
	return ans;
}

Subtask #1
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Incorrect 1 ms 384 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #2
0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Incorrect 1 ms 384 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #3
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Incorrect 1 ms 384 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #4
0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 256 KB Output is correct
2 Correct 0 ms 384 KB Output is correct
3 Correct 1 ms 384 KB Output is correct
4 Correct 0 ms 384 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 384 KB Output is correct
7 Incorrect 1 ms 384 KB Output isn't correct
8 Halted 0 ms 0 KB -