Submission #1036748

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1036748	2024-07-27 16:19:10	PM1	Sumtree (INOI20_sumtree)	C++17	10 / 100	454 ms	282964 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define fr first
#define sc second
const int mxn=5e5+5,M=1e9+7,kkk=(1<<21);
ll n,q,r,st[mxn],fn[mxn],cnt=0,sz[mxn],g[mxn],bbb;
ll ans,fuck[mxn*2],rfuck[mxn*2];
vector<ll>v[mxn];
ll ferma(ll x){
  ll num=M-2,res=1;
  while(num){
    if(num&1)res=(res*x)%M;
    x=(x*x)%M;
    num>>=1;
  }
  return res;
}
void dfs(ll z){
  sz[z]=1;
  st[z]=++cnt;
  for(auto i:v[z]){
    if(!st[i]){
      dfs(i);
      sz[z]+=sz[i];
    }
  }
  fn[z]=cnt;
}
void make(){
 
 
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Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:120:11: warning: unused variable 'y' [-Wunused-variable]
  120 |   ll ty,x,y,z=1;
      |           ^

• Subtask 1: 10 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 30