Submission #601450

#	Time	Username	Problem	Language	Result	Execution time	Memory
601450		czhang2718	Sob (COCI19_sob)	C++17	0 / 110	2 ms	340 KiB

sob

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

int n, m;

int main(){
    cin.tie(0)->sync_with_stdio(0);

    cin >> n >> m;
    int j=n;
    int i=n-1;
    int k=0;
    while(i>=0){
        while(i+(1<<k)<j) k++;
        for(int p=j; p<=i+(1<<k); p++){
            cout << p-(1<<k) << " " << p << "\n";
        }
        int d=i+(1<<k)-j+1;
        j+=d;
        i-=d;
    }
}

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