Submission #1036902

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1036902	2024-07-27 19:26:36	PM1	Sumtree (INOI20_sumtree)	C++17	100 / 100	1046 ms	237140 KiB

Main

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

Main.cpp: In member function 'void kirkhar::add(int, int, int, int, int, int, bool)':
Main.cpp:94:20: warning: unused variable 'res' [-Wunused-variable]
   94 |   int mid=(L+R)>>1,res=0;
      |                    ^~~

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