Submission #1022040

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1022040	2024-07-13 09:19:00	huutuan	Flooding Wall (BOI24_wall)	C++14	100 / 100	3851 ms	237212 KiB

Main

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#include<bits/stdc++.h>
using namespace std;
#define int long long
const int mod=1e9+7, N=1e6+10;
int power2[N], invpower2[N];
struct Node{
   int len, l, r, lr, lazyl, lazyr;
   Node (){
      len=lazyl=lazyr=0;
      l=r=lr=0;
   }
   Node operator+(const Node &b){
      Node ans;
      ans.len=len+b.len;
      ans.l=(l+b.l)%mod;
      ans.r=(r+b.r)%mod;
      ans.lr=(lr+b.lr)%mod;
      return ans;
   }
   int get_l(){
      return (mod-(l-len+mod)%mod)%mod;
   }
   int get_r(){
      return (mod-(r-len+mod)%mod)%mod;
   }
   int get_lr(){
 
 
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• Subtask 6: 30 / 30