Submission #654215

#	Time	Username	Problem	Language	Result	Execution time	Memory
654215		Ronin13	전선 연결 (IOI17_wiring)	C++14	20 / 100	25 ms	3788 KiB

wiring

#include "wiring.h"
#include <bits/stdc++.h>
#define ll long long
#define f first
#define s second
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pb push_back
#define epb emplace_back
#define ull unsigned ll
using namespace std;

long long min_total_length(std::vector<int> r, std::vector<int> b) {
    if(r.size() > 2000 || b.size() > 2000){
        ll n = r.size(), m = b.size();
        ll s1 = 0, s2 = 0;
        for(ll to : r) s1 += to;
        for(ll to : b) s2 += to;
        ll ans = 1e18;
        for(ll cnt = max(n, m); cnt <= 1e6; cnt++){
            ans = min(ans, s2 - s1 - (cnt - n) * r.back() + (cnt - m) * b[0]);
        }
    return ans;
    }
    int n = r.size(), m = b.size();
    ll dp[n + 1][m + 1];
    for(int i = 0; i <= n; i++){
        for(int j = 0; j <= m; j++){
            dp[i][j] = 1e18;
        }
    }
    dp[0][0] = 0;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= m; j++){
            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