Submission #290476

#	Time	Username	Problem	Language	Result	Execution time	Memory
290476		peti1234	Roller Coaster Railroad (IOI16_railroad)	C++17	34 / 100	77 ms	8576 KiB

railroad

#include <bits/stdc++.h>

using namespace std;
int c, n;
long long dp[65536][16], mini=1e18;
long long plan_roller_coaster(vector<int> a, vector<int> b) {
    n=a.size(), c=(1<<n);
    for (int i=1; i<c; i++) for (int j=0; j<n; j++) dp[i][j]=1e18;
    for (int i=0; i<n; i++) dp[(1<<i)][i]=0;
    for (int i=0; i<c; i++) for (int j=0; j<n; j++) for (int k=0; k<n; k++) {
        int h=(1<<k);
        if (i&(1<<j) && !(i&h)) dp[i+h][k]=min(dp[i+h][k], dp[i][j]+max(0, b[j]-a[k]));
    }
    for (int i=0; i<n; i++) mini=min(mini, dp[c-1][i]);
    return mini;
}

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