Submission #299586

#	Time	Username	Problem	Language	Result	Execution time	Memory
299586		infinite_iq	Wiring (IOI17_wiring)	C++14	7 / 100	59 ms	7800 KiB

wiring

#include <bits/stdc++.h>
using namespace std ;
#define pb push_back
#define fi first 
#define se second 
typedef long long ll ;
typedef vector < int > vi ;
typedef pair < int , int > pi ;
typedef vector < pi > vpi ;
#include "wiring.h"
int n , m ;
vi a , b ;
ll dp [209][209] ;      
ll bt ( int i , int j ) {
        if ( i == n && j == m ) return 0ll ;
        if ( i == n || j == m ) return 1e18 ;
        ll &ret = dp [i][j] ;
        if ( ret != -1 ) return ret ;
        ret = 1e18 ;
        ll cost = 0 ;
        for ( ll nxt = j ; nxt < m ; nxt ++ ) {
                cost += abs ( a [i] - b [nxt] ) ;
                ret = min ( ret , bt ( i + 1 , nxt + 1 ) + cost ) ;
        }
        cost = 0 ;
        for ( ll nxt = i ; nxt < n ; nxt ++ ) {
                cost += abs ( a [nxt] - b [j] ) ;
                ret = min ( ret , bt ( nxt + 1 , j + 1 ) + cost ) ;
        }
        return ret ;
}
long long min_total_length ( vi A , vi B ) {
        memset ( dp , -1 , sizeof (dp) ) ;
        if ( A .size () > B .size () ) swap ( A , B ) ;
        n = A .size () , m = B .size () ;
        a = A , b = B ;
        return bt ( 0 , 0 ) ;
}

• Subtask 1: 7 / 7
• Subtask 2: 0 / 13
• Subtask 3: 0 / 10
• Subtask 4: 0 / 25
• Subtask 5: 0 / 45