제출 #958834

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
958834		MinaRagy06	Roller Coaster Railroad (IOI16_railroad)	C++17	34 / 100	440 ms	524288 KiB

railroad

#include <bits/stdc++.h>
#include "railroad.h"
#ifdef MINA
#include "grader.cpp"
#endif
using namespace std;
#define ll long long

const int inf = 1e9;
ll plan_roller_coaster(vector<int> s, vector<int> t) {
	int n = s.size();
	ll dp[1 << n][n];
	memset(dp, '?', sizeof dp);
	memset(dp[(1 << n) - 1], 0, sizeof dp[(1 << n) - 1]);
	for (int msk = (1 << n) - 2; msk >= 0; msk--) {
		for (int i = 0; i < n; i++) {
			for (int j = 0; j < n; j++) {
				if ((msk >> j) & 1) continue;
				dp[msk][i] = min(dp[msk][i], dp[msk | (1 << j)][j] + max(0, (msk? t[i] - s[j] : 0)));
			}
		}
	}
	return dp[0][0];
}

• Subtask 1: 11 / 11
• Subtask 2: 23 / 23
• Subtask 3: 0 / 30
• Subtask 4: 0 / 36