# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
261693 | amalla | Roller Coaster Railroad (IOI16_railroad) | C++17 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "railroad.h"
#include <bits/stdc++.h>
using namespace std;
long long plan_roller_coaster(vector<long long> s, vector<long long> t) {
long long n = (long long) s.size(), ans = 100000000000000;
vector<pair<long long, long long> > S(n);
for (int i = 0; i<n; ++i) {
S[i].first = s[i];
S[i].second = t[i];
}
do {
long long need = 0;
for (int i = 1; i<n; ++i) {
if (S[i-1].second>S[i].first) need += S[i-1].second-S[i].first;
}
ans = min(need, ans);
} while(next_permutation(S.begin(), S.end()));
return ans;
}