Submission #811223

#	Time	Username	Problem	Language	Result	Execution time	Memory
811223		pcc	Sob (COCI19_sob)	C++14	10 / 110	30 ms	3800 KiB

sob

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pll pair<ll,ll>
#define pii pair<int,int>
#define fs first
#define sc second

int calc(int k){
	int re = 0;
	while(!(k&1))k>>=1,re++;
	return re;
}

int main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	int n,m;
	cin>>n>>m;
	if(__builtin_popcount(n) == 1){
		int start = m;
		for(int i = m;i<n+m;i++){
			if(calc(start)<calc(i))start = i;
		}
		int now = start;
		for(int i = 0;i<n;i++){
			cout<<i<<' '<<now<<'\n';
			now++;
			if(now == n+m)now = m;
		}
	}
	else if(n+m<=1000){
		for(int i = 0;i<n;i++){
			cout<<i<<" ";
			for(int j = m;j<n+m;j++){
				if((i&j) == i){
					cout<<j<<'\n';
					break;
				}
			}
		}
	}
	else assert(false);
}

• Subtask 1: 10 / 10
• Subtask 2: 0 / 29
• Subtask 3: 0 / 39
• Subtask 4: 0 / 32