Submission #28859

#	Time	Username	Problem	Language	Result	Execution time	Memory
28859		kavun	Rice Hub (IOI11_ricehub)	C++14	68 / 100	1000 ms	104080 KiB

ricehub

#include "ricehub.h"
#include <bits/stdc++.h>
#include "ricehub.h"

using namespace std;
typedef long long ll;
int dp[5010][5010];

int pr(int i, int j, int X[])
{
    if(dp[i][j])
        return dp[i][j];
    if(i == j)
        return 0;
    if(j == i+1)
        return X[j] - X[i];
    int median = i + (j-i)/2;
    dp[i][j] = pr(i+1,j-1,X) - X[i] + X[j];
    return dp[i][j];
}

int besthub(int R, int L, int X[], long long B)
{
    for(int res = R; res > 0; res--)
    {
        for(int i = 0; i <= R - res; i++)
        {
            ll cost = pr(i,i+res-1,X);
            if(cost <= B)
                return res;
        }
    }
}

Compilation message (stderr)

ricehub.cpp: In function 'int pr(int, int, int*)':
ricehub.cpp:17:9: warning: unused variable 'median' [-Wunused-variable]
     int median = i + (j-i)/2;
         ^
ricehub.cpp: In function 'int besthub(int, int, int*, long long int)':
ricehub.cpp:33:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

• Subtask 1: 17 / 17
• Subtask 2: 25 / 25
• Subtask 3: 26 / 26
• Subtask 4: 0 / 32