Submission #220241

#	Time	Username	Problem	Language	Result	Execution time	Memory
220241		Sho10	Subway (info1cup19_subway)	C++14	17.27 / 100	1089 ms	66968 KiB

subway

/*
ID: Sho10
LANG: C++
*/
#include <bits/stdc++.h> //Andrei Alexandru a.k.a Sho10
#define ll long long int
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#define all(a) (a).begin(), (a).end()
#define sz size
#define f first
#define s second
#define pb push_back
#define er erase
#define in insert
#define mp make_pair
#define pi pair
#define rc(s) return cout<<s,0
#define endl '\n'
#define mod 1000000007
#define PI 3.14159265359
#define CODE_START  ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
ll n,a[205];
int32_t main(){
CODE_START;
cin>>n;
cout<<n+1<<endl;
cout<<0<<' '<<-1<<endl;
for(ll i=1;i<=n;i++)
{
    cout<<i<<' '<<0<<endl;
}
}

• Subtask 1: 13.7254901961 / 20
• Subtask 2: 3.5425101215 / 30
• Subtask 3: 0 / 50