Submission #852692

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
852692	2023-09-22 14:07:09	willychan	Two Currencies (JOI23_currencies)	C++14	100 / 100	823 ms	31828 KiB

currencies

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#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
//#include<bits/extc++.h>
//__gnu_pbds
int n,m,q;
struct Query{
  int a,b;
  ll x,y;
  int ans;
};
struct request{
  int node;
  ll v;
};
const int N = 1e5+5;
vector<int> side[N];
vector<request> Req;
vector<Query> Que;
// tree stuff
pair<int,int> dep[N];
int father[N][20];
int t;
void dfs(int cur){
  dep[cur].first=++t;
  for(auto i : side[cur]){
    if(!dep[i].first){
      father[i][0] = cur;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 28 / 28
• Subtask 3: 30 / 30
• Subtask 4: 32 / 32