Submission #659203

#	Time	Username	Problem	Language	Result	Execution time	Memory
659203		as111	Treasure (different grader from official contest) (CEOI13_treasure2)	C++14	0 / 100	1 ms	340 KiB

treasure

#include "treasure.h"
#include <iostream>

#define MAXN 100

using namespace std;
int ps[MAXN + 5][MAXN + 5]; // partial sum # treasure
int ans[MAXN + 5][MAXN + 5];
int findTreasure(int N) {
	ps[N][N] = countTreasure(1, 1, N, N);
	for (int r = N; r >= 2; r--) {
		for (int c = N; c >= 2; c--) {
			if (!ps[r][c - 1]) {
				ps[r][c - 1] = countTreasure(1, 1, r, c - 1);
			}
			if (!ps[r - 1][c - 1]) {
				ps[r - 1][c - 1] = countTreasure(1, 1, r - 1, c - 1);
			}
			if (!ps[r - 1][c]) {
				ps[r - 1][c] = countTreasure(1, 1, r - 1, c);
			}
			ans[r][c] = ps[r][c] - ps[r - 1][c] - ps[r][c - 1] + ps[r - 1][c - 1];
		}
	}
	for (int r = N; r >= 1; r--) {
		ans[r][1] = ps[r][2] - ps[r - 1][2] - ans[r][2];
	}
	for (int c = N; c >= 1; c--) {
		ans[1][c] = ps[2][c] - ps[2][c-1] - ans[2][c];
	}

	for (int r = 1; r <= N; r++) {
		for (int c = 1; c <= N; c++) {
			if (ans[r][c]) Report(r, c);
		}
	}
}

Compilation message (stderr)

treasure.cpp: In function 'int findTreasure(int)':
treasure.cpp:37:1: warning: no return statement in function returning non-void [-Wreturn-type]
   37 | }
      | ^

• Subtask 1: 0 / 100