Submission #921589

#	Time	Username	Problem	Language	Result	Execution time	Memory
921589		vjudge1	Lightning Rod (NOI18_lightningrod)	C++17	0 / 100	1041 ms	262144 KiB

Main

#include <bits/stdc++.h>
#define ll long long
#define pb push_back
using namespace std;

void solve(){
    ll a;
    cin>>a;
    vector<pair<ll,ll> > v;
    for(ll i=1;i<=a;i++){
        ll x,y;
        cin>>x>>y;
        v.pb({y,x});
    }
    sort(v.begin(),v.end());
    if(v[0].first==v[v.size()-1].first){
        cout<<a;
        return ;
    }
}

int main()
{
    ios_base::sync_with_stdio(0),cin.tie(0);
    ll t=1,i=1;
    //cin>>t;
    while(t--){
        //cout<<"Case ";
        //cout<<i<<':'<<"\n";
        //i++;
        solve();
    }
    return 0;
}

Compilation message (stderr)

lightningrod.cpp: In function 'int main()':
lightningrod.cpp:25:12: warning: unused variable 'i' [-Wunused-variable]
   25 |     ll t=1,i=1;
      |            ^

• Subtask 1: 0 / 4
• Subtask 2: 0 / 7
• Subtask 3: 0 / 12
• Subtask 4: 0 / 21
• Subtask 5: 0 / 26
• Subtask 6: 0 / 10
• Subtask 7: 0 / 20