Submission #75972370

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Source Code Expand

//take a deep breath before you read :)
#include<bits/stdc++.h>
using namespace std ;
#define ll long long
#define endl '\n'

inline void solve(){
    ll n,k;
    cin >> n>>k;
    vector<ll>v(n);
    vector<ll>vk(k);

    for( ll i=0;i<n;i++){cin >> v[i];}
    for( ll i=0;i<k;i++){cin >> vk[i];}
    ll l=0,r=n-1;
    sort(vk.begin(),vk.end());
    sort(v.begin(),v.end());
    ll ctr=0;
    ll i=0,j=0;
    while(i!=n && j!=k){
        if (v[i]==vk[j]){
            ctr++;
            i++;
            j++;
        }
        else if (v[i]<vk[j]){
            i++;
        }
        else{
            j++;
        }
    }
    cout << ctr;

}
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(nullptr);cout.tie(0);
   int t=1;
   //cin>>t;
    while(t--)
        solve();

return 0;
}

Submission Info

Compile Error

./Main.cpp: In function 'void solve()':
./Main.cpp:16:8: warning: unused variable 'l' [-Wunused-variable]
   16 |     ll l=0,r=n-1;
      |        ^
./Main.cpp:16:12: warning: unused variable 'r' [-Wunused-variable]
   16 |     ll l=0,r=n-1;
      |            ^

Judge Result