Submission #425743

#	Time	Username	Problem	Language	Result	Execution time	Memory
425743		Hazem	Wiring (IOI17_wiring)	C++14	7 / 100	272 ms	262144 KiB

wiring

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

using namespace std;

#define LL long long

const LL INF  = 1e9;
const LL LINF = 1e18;
const int N = 2e3+10;

LL dp[N][N][2][2];
int n,m;
vector<int>R,B;

LL solve(int i,int j,int t1,int t2){
	
	if(i==n-1&&j==m-1&&t1&&t2)
		return 0;
	
	if(dp[i][j][t1][t2]!=-1)
		return dp[i][j][t1][t2];
	
	dp[i][j][t1][t2] = LINF;
	if(t1&&i<n-1)
		dp[i][j][t1][t2] = min(dp[i][j][t1][t2],solve(i+1,j,0,t2));
	if(t2&&j<m-1)
		dp[i][j][t1][t2] = min(dp[i][j][t1][t2],solve(i,j+1,t1,0));
		
	dp[i][j][t1][t2] = min(dp[i][j][t1][t2],solve(i,j,1,1)+abs(R[i]-B[j]));
	return dp[i][j][t1][t2];
}

long long min_total_length(std::vector<int> r, std::vector<int> b) {

	n = r.size(),m = b.size();
	memset(dp,-1,sizeof(dp));
	R = r;B = b;
	
	return solve(0,0,0,0);
	
}

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