Submission #1257914

#	Time	Username	Problem	Language	Result	Execution time	Memory
1257914		brover29	Kućice (COCI21_kucice)	C++17	10 / 110	0 ms	328 KiB

Main

#include <bits/stdc++.h>
//qwerty47924692
using namespace std;
using ll = long long;
const ll N=2e5+29;
const ll mod=1e9+7;
const string br="617283";
ll n,x[N],y[N],ans;
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    cin>>n;
    ll p=1;
    for(ll i=1;i<=n;i++){
        cin>>x[i]>>y[i];
        if(i>1)p*=2;
        p%=mod;

    }
    if(x[1]=y[1]=0)n/=2,ans+=n-1;;

    cout<<(ans+p*n)%mod;
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 30
• Subtask 3: 0 / 10
• Subtask 4: 0 / 30
• Subtask 5: 0 / 30