Submission #982163

#	Time	Username	Problem	Language	Result	Execution time	Memory
982163		irmuun	Wiring (IOI17_wiring)	C++17	20 / 100	154 ms	262144 KiB

wiring

#include<bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back
#define ff first
#define ss second
#define all(s) s.begin(),s.end()
#define rall(s) s.rbegin(),s.rend()

ll min_total_length(vector<int>r,vector<int>b){
    ll ans=0,n=r.size(),m=b.size();
    if(r[n-1]<=b[0]){
        for(ll i=0;i<n-1;i++){
            ans+=(r[i+1]-r[i])*(i+1);
        }
        ll cur=0;
        for(ll i=m-1;i>=1;i--){
            ans+=(b[i]-b[i-1])*(++cur);
        }
        ans+=(b[0]-r[n-1])*max(n,m);
        return ans;
    }
    ll dp[n+5][m+5];
    for(ll i=0;i<=n;i++){
        for(ll j=0;j<=m;j++){
            if(i==0||j==0){
                if(i==0&&j==0) dp[i][j]=0;
                else dp[i][j]=1e18;
                continue;
            }
            dp[i][j]=min({dp[i-1][j],dp[i][j-1],dp[i-1][j-1]})+abs(r[i-1]-b[j-1]);
        }
    }
    return dp[n][m];
}

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