# | 제출 시각 | 아이디 | 문제 | 언어 | 결과 | 실행 시간 | 메모리 |
---|---|---|---|---|---|---|---|
1239310 | LeonidCuk | Roller Coaster Railroad (IOI16_railroad) | C++17 | 46 ms | 11192 KiB |
#include "railroad.h"
#include <bits/stdc++.h>
using namespace std;
long long plan_roller_coaster(vector<int> s,vector<int> t) {
int n = (int) s.size();
vector<vector<long long>>dp(1<<n,vector<long long>(n,1e16));
for(int k=1;k<(1<<n);k++)
{
for(int i=0;i<n;i++)
{
if((1<<i)&k)
{
int x=k^(1<<i);
if(x==0)
{
dp[k][i]=0;
break;
}
for(int j=0;j<n;j++)
{
if((1<<j)&x)
{
if(t[j]>s[i])dp[k][i]=min(dp[k][i],dp[x][j]+(t[j]-s[i]));
else dp[k][i]=min(dp[k][i],dp[x][j]);
}
}
}
}
}
long long res=1e18;
for(int i=0;i<n;i++)
{
res=min(res,dp[(1<<n)-1][i]);
}
return res;
}
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