Submission #40824

#	Time	Username	Problem	Language	Result	Execution time	Memory
40824		hsb154	Treasure (different grader from official contest) (CEOI13_treasure2)	C++14	100 / 100	2 ms	628 KiB

treasure

#include "treasure.h"
int countTreasure(int r1, int c1, int r2, int c2);
void Report(int r, int c);
int map[101][101];
//#include<cstdio>
void findTreasure(int N) {
	for (int i = N / 2 + 1; i <= N; i++) {
		for (int j = N / 2 + 1; j <= N; j++) {
			map[i][j] = countTreasure(1, 1, i, j);
		}
	}

	for (int i = N/2+1; i <=N; i++) {
		for (int j = 1; j <= N/2; j++) {
			map[i][j] = map[i][N] - countTreasure(1, j + 1, i, N);
		}
	}
	for (int i = 1; i <= N / 2; i++) {
		for (int j = N / 2 + 1; j <= N; j++) {
			map[i][j] = map[N][j] - countTreasure(i+1,1 , N, j);
		}
	}

	for (int i = 1; i <= N / 2; i++) {
		for (int j = 1; j <= N / 2; j++) {
			map[i][j]=map[i][N]+map[N][j]-map[N][N]+ countTreasure(i + 1, j+1, N, N);
		}
	}
	int check = 0;
	for (int i = 1; i <= N; i++) {
		for (int j = 1; j <= N; j++) {
			int up=0;
			int left=0;
			int upleft=0;
			if (i != 1)
				up = map[i - 1][j];
			if (j != 1)
				left = map[i][j - 1];
			if (i != 1 && j != 1)
				upleft = map[i - 1][j - 1];
			if (map[i][j] != up + left - upleft)
				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:29:6: warning: unused variable 'check' [-Wunused-variable]
  int check = 0;
      ^

• Subtask 1: 100 / 100