Submission #796755

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
796755	2023-07-28 17:18:13	GusterGoose27	Two Currencies (JOI23_currencies)	C++17	100 / 100	626 ms	133920 KiB

currencies

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#include <bits/stdc++.h>
using namespace std;
typedef pair<int, int> pii;
typedef long long ll;
const int MAXN = 1e5+5;
const int MAXB = 17;
int n, m, q;
vector<pii> edges[MAXN];
vector<int> at_edge[MAXN];
int cost[MAXN];
int pos[MAXN];
int lca[MAXN][MAXB];
int depth[MAXN];
class stree {
public:
  int lp, rp;
  stree *l = nullptr;
  stree *r = nullptr;
  ll sum = 0;
  int num = 0;
  stree(int lv, int rv) {
    lp = lv;
    rp = rv;
    if (lp < rp) {
      int mid = (lp+rp)/2;
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 28 / 28
• Subtask 3: 30 / 30
• Subtask 4: 32 / 32