Submission #218305

#	Time	Username	Problem	Language	Result	Execution time	Memory
218305		alishahali1382	Konstrukcija (COCI20_konstrukcija)	C++14	110 / 110	6 ms	384 KiB

Main

#include <bits/stdc++.h>
#pragma GCC optimize ("O2")
#pragma GCC optimize ("unroll-loops")
//#pragma GCC optimize("no-stack-protector,fast-math")

using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<pii, int> piii;
typedef pair<ll, ll> pll;
#define debug(x) cerr<<#x<<'='<<(x)<<endl;
#define debugp(x) cerr<<#x<<"= {"<<(x.first)<<", "<<(x.second)<<"}"<<endl;
#define debug2(x, y) cerr<<"{"<<#x<<", "<<#y<<"} = {"<<(x)<<", "<<(y)<<"}"<<endl;
#define debugv(v) {cerr<<#v<<" : ";for (auto x:v) cerr<<x<<' ';cerr<<endl;}
#define all(x) x.begin(), x.end()
#define pb push_back
#define kill(x) return cout<<x<<'\n', 0;

const ld eps=1e-7;
const int inf=1000000010;
const ll INF=10000000000000010LL;
const int mod = 1000000007;
const int MAXN = 100010, LOG=63;

ll n, m, k, u, v, x, y, t, a, b, N=1, M;
ll id[MAXN];
ll tav[LOG+1];
int X[MAXN][4];
vector<pii> E;

void addedge(int u, int v){
	M++;
	E.pb({u, v});
}

void BUILD(){
	X[0][0]=++N;
	X[0][1]=++N;
	X[0][2]=++N;
	X[0][3]=++N;
	addedge(X[0][0], 1);
	addedge(X[0][1], 1);
	addedge(X[0][2], 1);
	addedge(X[0][3], 1);
	
	for (int i=1; i<=LOG; i++){
		for (int j=0; j<=3; j++){
			X[i][j]=++N;
			addedge(N, X[i-1][0]);
			addedge(N, X[i-1][1]);
			addedge(N, X[i-1][2]);
		}
	}
}

int main(){
	ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
	//freopen("input.txt", "r", stdin);
	//freopen("output.txt", "w", stdout);
	tav[0]=1;
	for (int i=1; i<=LOG; i++) tav[i]=-2*tav[i-1];
	
	cin>>k;
	BUILD();
	addedge(++N, X[LOG][0]);
	for (int i=0; i<=LOG && k; i++){
		ll kk=abs(k);
		if (kk&(1ll<<i)){
			addedge(N, X[i][3]);
			k-=tav[i];
			//debug(i)
		}
	}
	
	cout<<N<<' '<<M<<'\n';
	for (pii p:E) cout<<N+1-p.first<<' '<<N+1-p.second<<'\n';
	debug2(N, M)
	
	return 0;
}

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