Submission #1208910

#TimeUsernameProblemLanguageResultExecution timeMemory
1208910ezzzayBliskost (COI23_bliskost)C++20
Compilation error
0 ms0 KiB
#include<bits/stdc++.h> using namespace std; #define ff first #define ss second #define pb push_back #define int long long const int N=2e6+5; const int P=1e9+7; int bit[N]; void update(int idx, int val){ while(idx<N){ bit[idx]+=val; idx+= idx & -idx; } } int find(int idx){ int s=0; while(idx>0){ s+=bit[idx]; idx-= idx & -idx; } return s; } signed main(){ int n,q; cin>>n>>q; string s,t; cin>>s>>t; for(int i=1;i<=n;i++){ int c= (t[i-1]-s[i-1]+26)%26; if(n%2== i%2){ update(i,c); } else{ update(i,-c); } } if((find(n-1)%26+260+(t[n-1]-s[n-1]+26)%26)%26==0){ cout<<"da"<<endl; } else{ cout<<"ne"<<endl;; } while(q--){ int i; char p; cin>>i>>p; int c= (t[i-1]-s[i-1]+26)%26; if(n%2== i%2){ update(i,-c); } else{ update(i,+c); } s[i-1]=p; int c= (t[i-1]-s[i-1]+26)%26; if(n%2== i%2){ update(i,c); } else{ update(i,-c); } if((find(n-1)%26+260+(t[n-1]-s[n-1]+26)%26)%26==0){ cout<<"da"<<'\n'; } else{ cout<<"ne"<<'\n'; } } }

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:59:13: error: redeclaration of 'long long int c'
   59 |         int c= (t[i-1]-s[i-1]+26)%26;
      |             ^
Main.cpp:49:13: note: 'long long int c' previously declared here
   49 |         int c= (t[i-1]-s[i-1]+26)%26;
      |             ^