Submission #999374

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
999374	2024-06-15 11:41:39	fuad27	Sumtree (INOI20_sumtree)	C++17	100 / 100	680 ms	88144 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
const long long mod = 1e9+7;
const int N = 4e5+10;
const int MAXNC=5e5+10;
const int LG = 20;
vector<int> g[N];
int tin[N], tout[N], tim=0;
int up[N][LG], tags[N];
long long fact[MAXNC];
int depth[N], sz[N], used[N], tagsms[N];
namespace BIT {
  int fen[N];
  void add(int at, int vl) {
    at++;
    while(at < N) {
      fen[at] += vl;
      at+=at&(-at);
    }
  }
  int query(int at) {
    at++;
    int res=0;
    while(at) {
      res+=fen[at];
      at-=at&(-at);
    }
    return res;
  }
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 20 / 20
• Subtask 5: 30 / 30