Submission #730582

#	Time	Username	Problem	Language	Result	Execution time	Memory
730582		1075508020060209tc	Lamps (JOI19_lamps)	C++14	4 / 100	55 ms	6208 KiB

lamp

//#include "lib2249.h"
#include<bits/stdc++.h>
using namespace std;
#define int long long
int n;
string A;
string B;

signed main(){
cin>>n>>A>>B;
int ans=0;
for(int i=0;i<B.size();i++){
    if(B[i]=='1'){
        while(i+1<B.size()&&B[i+1]=='1'){
            i++;
        }
        ans++;
    }
}
cout<<ans<<endl;

}

Compilation message (stderr)

lamp.cpp: In function 'int main()':
lamp.cpp:12:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 | for(int i=0;i<B.size();i++){
      |             ~^~~~~~~~~
lamp.cpp:14:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |         while(i+1<B.size()&&B[i+1]=='1'){
      |               ~~~^~~~~~~~~

• Subtask 1: 0 / 6
• Subtask 2: 0 / 41
• Subtask 3: 4 / 4
• Subtask 4: 0 / 49