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Submission #92932

# Submission time Handle Problem Language Result Execution time Memory
92932 2019-01-06T06:52:58 Z Makhsud Chessboard (IZhO18_chessboard) C++17
0 / 100
 74 ms 376 KB 
#include <bits/stdc++.h>
#define ll long long

ll n, k, x, y, xx, yy;
ll d;

using namespace std;

int main()
{
	cin >> n >> k;
	for ( int i = 1; i <= k; i ++ )
		cin >> x >> y >> xx >> yy;
	for ( int i = n-1; i >= 1; i -- ) {
		if ( n % i == 0 ) {
			d = i;
			break;
		}
	}
	if ( d == 1 ) {
		cout << (n*n) / 2;
	}
	else {
		ll cnt = 0;
		bool ch = false;
		for ( int i = 1; i <= n; i += d ) {
			ch = !ch;
			if ( ch ) {
				cnt += ( n / d ) / 2;
			}
			else {
				cnt += ( n / d + 1 ) / 2;
			}
		}
		cout << cnt  * (d*d);
	}
}

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Incorrect 2 ms 376 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 8.0

# Verdict Execution time Memory Grader output
1 Incorrect 74 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 292 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 292 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 74 ms 376 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Incorrect 2 ms 376 KB Output isn't correct
3 Halted 0 ms 0 KB -