Submission #406692

#	Time	Username	Problem	Language	Result	Execution time	Memory
406692		daniel920712	Wiring (IOI17_wiring)	C++14	13 / 100	32 ms	2632 KiB

wiring

#include "wiring.h"
#include <iostream>
#include <stdio.h>
#include <stdlib.h>
using namespace std;
long long N,M;
long long DP[205][205];
bool have[205][205]={0};
vector < int > x,y;
long long F(long long a,long long b)
{
    if(a==N&&b==M) return 0;
    if(a==N||b==M) return 1e18;
    if(have[a][b]) return DP[a][b];
    have[a][b]=1;
    DP[a][b]=(long long) abs(y[b]-x[a]);
    if(N<=M) DP[a][b]+=min(F(a+1,b+1),F(a,b+1));
    else DP[a][b]+=min(F(a+1,b+1),F(a+1,b));
    return DP[a][b];
}
long long min_total_length(vector< int > r, vector < int > b)
{
    long long ans=0,i;
    N=r.size();
    M=b.size();
    x=r;
    y=b;
    if(N<=200&&M<=200) return F(0,0);
    else
    {
        if(N<=M)
        {
            for(i=0;i<min(N,M);i++) ans+=(long long) b[i]-r[i];
            for(i=N;i<M;i++) ans+=(long long) b[i]-r[N-1];
        }
        else
        {
            for(i=1;i<=M;i++) ans+=(long long) b[M-i]-r[N-i];
            for(i=0;i<N-M;i++) ans+=(long long) b[0]-r[i];
        }

        return ans;
    }
}

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