Submission #40813

#	Time	Username	Problem	Language	Result	Execution time	Memory
40813		hsb154	Treasure (different grader from official contest) (CEOI13_treasure2)	C++14	44 / 100	27 ms	604 KiB

treasure

#include "treasure.h"
int countTreasure(int r1, int c1, int r2, int c2);
void Report(int r, int c);
bool map[101][101];
int count(int r1,int c1,int r2, int c2) {
	int cnt = 0;
	for (int i = r1; i <= r2; i++)
		for (int j = c1; j <= c2; j++)
			if (map[i][j])
				cnt++;
	return cnt;
}
void findTreasure(int N) {
	int cnt = countTreasure(1, 1, N, N);
	int myCnt = 0;
	for (int i = 1; i <= N; i++) {
		
		for (int j = 1; j <= N; j++) {
			if (i + j < N/2) {
				if (cnt != count(i, 1, i, j) + countTreasure(i + 1, 1, N, N) + (j == N ? 0 : countTreasure(i, j + 1, N, N)) - (j == N||i==N ? 0 : countTreasure(i + 1, j + 1, N, N))) {
					map[i][j] = 1;
				}
			}
			else {
				if (countTreasure(1, 1, i, j) != count(1, 1, i, j)) {
					map[i][j] = 1;
				}
			}
		}
		cnt -= count(i, 1, i, N);
	}
	


	
	

	for (int i = 1; i <= N; i++) {
		for (int j = 1; j <= N; j++) {
			if (map[i][j] == 1)
				Report(i, j);
		}
	}
}

Compilation message (stderr)

grader.c: In function 'int main()':
grader.c:63:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         my_assert(strlen(A[i]+1) == N, "each line of the map must contain N zeroes or ones (before loop)");
                                  ^
treasure.cpp: In function 'void findTreasure(int)':
treasure.cpp:15:6: warning: unused variable 'myCnt' [-Wunused-variable]
  int myCnt = 0;
      ^

• Subtask 1: 44 / 100