Submission #601452

#	Time	Username	Problem	Language	Result	Execution time	Memory
601452		czhang2718	Sob (COCI19_sob)	C++17	110 / 110	68 ms	7116 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=m;
    int i=n-1;
    int k=0;
    while(i>=0){
        int j2=j;
        while((j2&i)!=i) j2++;
        int d=j2-i;
        for(int k=j; k<=j2; k++){
            cout << k-d << " " << k << "\n";
        }
        i-=j2-j+1;
        j=j2+1;
    }
}

Compilation message (stderr)

sob.cpp: In function 'int main()':
sob.cpp:12:9: warning: unused variable 'k' [-Wunused-variable]
   12 |     int k=0;
      |         ^

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