Submission #246376

#	Time	Username	Problem	Language	Result	Execution time	Memory
246376		thecodingwizard	Treasure (different grader from official contest) (CEOI13_treasure2)	C++11	100 / 100	5 ms	384 KiB

treasure

#include <bits/stdc++.h>
#include "treasure.h"
using namespace std;

void findTreasure (int n) {
    int ps[n+1][n+1];
    int m = (n+1)/2;
    for (int i = 0; i <= n; i++) for (int j = 0; j <= n; j++) ps[i][j] = 0;
    for (int i = n; i >= 1; i--) {
        for (int j = n; j >= 1; j--) {
            if (i>=m&&j>=m) {
                ps[i][j] = countTreasure(1, 1, i, j);
            } else if (i >= m) {
                ps[i][j] = ps[i][n] - countTreasure(1, j+1, i, n);
            } else if (j >= m) {
                ps[i][j] = ps[n][j] - countTreasure(i+1, 1, n, j);
            } else {
                ps[i][j] = ps[i][n] + ps[n][j] + countTreasure(i+1, j+1, n, n) - ps[n][n];
            }
        }
    }
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            if (ps[i][j] - ps[i-1][j] - ps[i][j-1] + ps[i-1][j-1] == 1) Report(i, j);
        }
    }
}

• Subtask 1: 100 / 100