Submission #335235

#	Time	Username	Problem	Language	Result	Execution time	Memory
335235		ronnith	Konstrukcija (COCI20_konstrukcija)	C++14	0 / 110	1 ms	364 KiB

Main

#include <bits/stdc++.h>
typedef long long ll;
#define sz(a) int((a).size())
#define trav(a, b) for(auto a : b)
#define mk make_pair
#define f first
#define s second
#define pb push_back
using namespace std;

vector<pair<int, int>> edge;
int cnt = 2;

int main(){
	// ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	ll k;scanf("%lld", &k);
	// cerr << k << '\n';
	for(int i = 0;i < k;i ++){
		edge.pb(mk(1,++cnt));
		edge.pb(mk(cnt, 2));
	}
	// cerr << "yes";
	printf("%d %d\n", cnt, sz(edge));
	trav(e, edge){
		if(e.f == 2)e.f = cnt;
		else if(e.f == cnt)e.f = 2;

		if(e.s == 2)e.s = cnt;
		else if(e.s == cnt)e.s = 2;
		printf("%d %d\n", e.f, e.s);
	}
	return 0;
}

Compilation message (stderr)

konstrukcija.cpp: In function 'int main()':
konstrukcija.cpp:16:12: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   16 |  ll k;scanf("%lld", &k);
      |       ~~~~~^~~~~~~~~~~~

• Subtask 1: 0 / 15
• Subtask 2: 0 / 15
• Subtask 3: 0 / 20
• Subtask 4: 0 / 60