Submission #83687

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
83687	2018-11-09 21:17:18	Bodo171	구경하기 (JOI13_watching)	C++14	50 / 100	220 ms	16428 KiB

watching

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <iostream>
#include <fstream>
#include <algorithm>
using namespace std;
const int nmax=2005;
int dp[nmax][nmax];
int v[nmax];
int n,p,q,i,j,p1,p2,val;
bool check(int val)
{
    for(i=1;i<=n;i++)
        for(j=0;j<=p;j++)
           dp[i][j]=q+1;
    p1=p2=1;
    for(i=1;i<=n;i++)
    {
        while(v[i]-v[p1]+1>val)
            p1++;
        while(v[i]-v[p2]+1>2*val)
            p2++;
        for(j=1;j<=n;j++)
            dp[i][j]=min(dp[p1-1][j-1],dp[p2-1][j]+1);
    }
    for(i=0;i<=p;i++)
        if(dp[n][i]<=q)
          return 1;
    return 0;
}
int main()
{
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 50 / 50
• Subtask 2: 0 / 50