제출 #121928

#제출 시각아이디문제언어결과실행 시간메모리
121928KLPPLamps (JOI19_lamps)C++14
4 / 100
64 ms6248 KiB
#include<bits/stdc++.h>

using namespace std;
typedef long long int lld;
typedef pair<lld,lld> pii;
#define rep(i,a,b) for(int i=a;i<b;i++)
#define trav(a,v) for(auto a:v)

int main(){
  int n;
  cin>>n;
  string A,B;
  cin>>A>>B;
  bool comp=false;
  int ans=0;
  rep(i,0,n){
    if(B.at(i)=='0'){
      ans+=comp;
      comp=false;
    }else{
      comp=true;
    }
  }
  ans+=comp;
  cout<<ans<<endl;
  return 0;
}
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