Submission #737711

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
737711	2023-05-07 15:04:24	sidon	Two Currencies (JOI23_currencies)	C++17	100 / 100	1052 ms	81072 KiB

currencies

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#include <bits/stdc++.h>
using namespace std;
#define int int64_t
const int Z = 1e5, INF = 1e18;
struct BIT {
  int *a, n;
  void init(int N) {
    a = new int[(n = N) + 1] {};
  }
  void add(int i, int v) {
    for(++i; i <= n; i += i&-i) a[i] += v;
  }
  int get(int i) {
    int v =  0;
    for(++i; i >= 1; i -= i&-i) v += a[i];
    return v;
  }
};
int N, M, Q, p[Z], lca[Z], eL[Z], eR[Z], dfsTimer, ans[Z];
vector<int> g[Z];
vector<array<int, 2>> o;
set<int> s[Z];
array<int, 4> q[Z];
BIT b[2] {};
void dfs0(int u) {
  eL[u] = dfsTimer++;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 28 / 28
• Subtask 3: 30 / 30
• Subtask 4: 32 / 32