Submission #728550

#	Time	Username	Problem	Language	Result	Execution time	Memory
728550		Rasoul006	Wombats (IOI13_wombats)	C++17	18 / 100	12394 ms	10236 KiB

wombats

#include "wombats.h"

#include <bits/stdc++.h>

#define endl "\n"

#define F first

#define S second

#define pb push_back

#define all(x) x.begin() , x.end()

typedef long long ll;

using namespace std;

const int N = 6e3+5;

const long long oo = 1e18;

ll dx[] = {1 , -1 , 0} ;
ll dy[] = {0 , 0 , 1} ;

ll n , m , h[N][204] , v[N][204] , sum , c , r ;

ll cost[N] , a[N][2] ;

set < pair <ll, pair <ll, ll>> > st ;

void init(int R, int C, int H[5000][200], int V[5000][200]) {

    n = R , m = C ;

    for (int i = 0 ; i<n ; i++)
    {
        cost[i] = H[i][0] ;
        for (int j = 0 ; j<m ; j++)
        {
            a[i][j] = V[i][j] ;
        }
    }

}

void changeH(int P, int Q, int W)
{
    cost[P] = W ;
}

void changeV(int P, int Q, int W)
{
    a[P][Q] = W ;
}

ll dp[N][2][2] ;

ll bt (ll i , bool is , bool is2)
{
    if (i == n)
        return ((is != is2) * cost[n-1]) ;

    ll &ret = dp[i][is][is2] ;

    if (~ret)
        return ret ;

    ret = bt(i+1 , is , is2) + a[i][is] ;
    ret = min(ret ,  bt(i+1 , !is , is2) + cost[i] + a[i][!is]);

    return ret ;
}

int escape(int V1, int V2)
{
    for (int i = 0 ; i<=n+9 ; i++)
    {
        dp[i][0][0] = -1 ;
        dp[i][0][1] = -1 ;
        dp[i][1][0] = -1 ;
        dp[i][1][1] = -1 ;
    }

    if (bt(0 , V1 , V2) == cost[n-1])
        assert(true);

    return bt(0 , V1 , V2) ;
}

Compilation message (stderr)

grader.c: In function 'int main()':
grader.c:15:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
   15 |  int res;
      |      ^~~

• Subtask 1: 0 / 9
• Subtask 2: 0 / 12
• Subtask 3: 0 / 16
• Subtask 4: 18 / 18
• Subtask 5: 0 / 21
• Subtask 6: 0 / 24