Submission #40775

#	Time	Username	Problem	Language	Result	Execution time	Memory
40775		bysu	Treasure (different grader from official contest) (CEOI13_treasure2)	C++14	44 / 100	2 ms	584 KiB

treasure

#include "treasure.h"
int arr[10001][2];
int idx;

void solve(int sr, int sc, int er, int ec, int total) {
	if (sr == er&&sc == ec) {
		if (total == 0)
			return;
		else {
			arr[idx][0] = sr, arr[idx++][1] = sc;
			return;
		}
	}
	if (total == (er - sr + 1)*(ec - sc + 1)) {
		for (int i = sr; i <= er; i++) {
			for (int j = sc; j <= ec; j++) {
				arr[idx][0] = i;
				arr[idx++][1] = j;
			}
		}
		return;
	}
	int sum = 0;
	int mr = (sr + er) >> 1;
	int mc = (sc + ec) >> 1;
	int a = countTreasure(sr, sc, mr, mc);
	int b = countTreasure(sr, sc, er, mc);
	int c = countTreasure(sr, sc, mr, ec);
	int a1 = a;
	int a2 = c - a;
	int b1 = b - a;
	int b2 = total - b - c + a;
	if (a1 != 0)solve(sr, sc, mr, mc, a1);
	if (a2 != 0)solve(sr, mc + 1, mr, ec, a2);
	if (b1 != 0) solve(mr + 1, sc, er, mc, b1);
	if (b2 != 0) solve(mr + 1, mc + 1, er, ec, b2);
}


void findTreasure (int N) {
    int cnt = countTreasure(1, 1, N, N);
	solve(1, 1, N, N, cnt);
	for (int i = 0; i < idx; i++) {
		Report(arr[i][0], arr[i][1]);
	}
}

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 solve(int, int, int, int, int)':
treasure.cpp:23:6: warning: unused variable 'sum' [-Wunused-variable]
  int sum = 0;
      ^

• Subtask 1: 44 / 100