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Submission #94807

# Submission time Handle Problem Language Result Execution time Memory
94807 2019-01-24T07:08:44 Z newyear Treasure (different grader from official contest) (CEOI13_treasure2) C++14
100 / 100
 2 ms 376 KB 
#include "treasure.h"

int psum[101][101], n;

void calc(int row, int col) {
	if (row < n - n / 2) {
		if (col < n - n / 2) psum[row][col] = psum[row][n] + psum[n][col] + countTreasure(row + 1, col + 1, n, n) - psum[n][n];
		else psum[row][col] = psum[n][col] - countTreasure(row + 1, 1, n, col);
	}
	else {
		if (col < n - n / 2) psum[row][col] = psum[row][n] - countTreasure(1, col + 1, row, n);
		else psum[row][col] = countTreasure(1, 1, row, col);
	}
}

bool result(int row, int col) {
	return psum[row][col] - psum[row][col - 1] - psum[row - 1][col] + psum[row - 1][col - 1];
}

void findTreasure(int N) {
	n = N;
	psum[n][n] = countTreasure(1, 1, N, N);
	for (int i = 1; i < N; i++) {
		if (i < n - n / 2) {
			psum[n][i] = psum[n][n] - countTreasure(1, i + 1, n, n);
			psum[i][n] = psum[n][n] - countTreasure(i + 1, 1, n, n);
		}
		else {
			psum[n][i] = countTreasure(1, 1, n, i);
			psum[i][n] = countTreasure(1, 1, i, n);
		}
	}

	for (int i = 1; i < n; i++)
		for (int j = 1; j < n; j++)
			calc(i, j);

	for (int i = 1; i <= n; i++)
		for (int j = 1; j <= n; j++)
			if (result(i, j)) Report(i, j);
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct - N = 5, K = 289, score = 10
2 Correct 2 ms 256 KB Output is correct - N = 10, K = 4475, score = 10
3 Correct 2 ms 376 KB Output is correct - N = 15, K = 22289, score = 10
4 Correct 2 ms 376 KB Output is correct - N = 16, K = 28928, score = 10
5 Correct 2 ms 376 KB Output is correct - N = 55, K = 4005289, score = 10
6 Correct 2 ms 376 KB Output is correct - N = 66, K = 8305803, score = 10
7 Correct 2 ms 376 KB Output is correct - N = 77, K = 15383161, score = 10
8 Correct 2 ms 376 KB Output is correct - N = 88, K = 26244416, score = 10
9 Correct 2 ms 376 KB Output is correct - N = 99, K = 42032201, score = 10
10 Correct 2 ms 376 KB Output is correct - N = 100, K = 43760000, score = 10