Submission #167764

#	Time	Username	Problem	Language	Result	Execution time	Memory
167764		abil	Chessboard (IZhO18_chessboard)	C++14	0 / 100	2 ms	376 KiB

chessboard

#include <bits/stdc++.h>

#define fr first
#define sc second
#define pb push_back
#define mk make_pair
#define all(s) s.begin(),s.end()
//#define int long long

using namespace std;

const int N = (1e6 + 12);
const int mod = (1e9 + 7);
const int INF = (0x3f3f3f3f);

main()
{
	int n, k;
	cin >> n >> k;
	if(n % 2 == 0){
		int ans = 0;
		for(int i = 1;i < n; i++){
			if(n % i == 0){
				ans++;
			}
		}
		cout << ans * 2;
		return 0;
	}
	cout << 2;
}

Compilation message (stderr)

chessboard.cpp:16:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^

• Subtask 1: 0 / 8
• Subtask 2: 0 / 8
• Subtask 3: 0 / 15
• Subtask 4: 0 / 16
• Subtask 5: 0 / 23
• Subtask 6: 0 / 30