Submission #200575

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
200575	2020-02-07 12:16:30	EntityIT	Designated Cities (JOI19_designated_cities)	C++14	100 / 100	487 ms	40020 KiB

designated_cities

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#include<bits/stdc++.h>
using namespace std;
#define all(x) (x).begin(), (x).end()
#define sz(x) ( (int)(x).size() )
using LL = long long;
template<class T>
inline bool asMn(T &a, const T &b) { return a > b ? a = b, true : false; }
template<class T>
inline bool asMx(T &a, const T &b) { return a < b ? a = b, true : false; }
mt19937 rng( (uint32_t)chrono::steady_clock::now().time_since_epoch().count() );
int n;
vector<vector<pair<int, int> > > gr;
vector<int> eCost;
LL sum;
vector<LL> ans;
vector<LL> inCost;
LL getUp(int u, int pr) {
  LL ret = 0;
  for (auto e : gr[u]) if (e.first != pr) ret += getUp(e.first, u) + eCost[e.second ^ 1];
  return ret;
}
void calInCost(int u, int pr) {
  for (auto e : gr[u]) {
 
 
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• Subtask 1: 6 / 6
• Subtask 2: 7 / 7
• Subtask 3: 9 / 9
• Subtask 4: 17 / 17
• Subtask 5: 17 / 17
• Subtask 6: 44 / 44