Submission #264856

#	Time	Username	Problem	Language	Result	Execution time	Memory
264856		sjimed	Treasure (different grader from official contest) (CEOI13_treasure2)	C++14	100 / 100	1 ms	384 KiB

treasure

#include "treasure.h"

int sum[111][111];

void findTreasure (int N) {
    int n = N;

    for(int i=n; i>=1; i--) {
        for(int j=n; j>=1; j--) {
            if(i > n/2 && j > n/2) sum[i][j] = countTreasure(1, 1, i, j);
            else if(i > n/2 && j <= n/2) sum[i][j] = sum[i][n] - countTreasure(1, j+1, i, n);
            else if(j > n/2 && i <= n/2) sum[i][j] = sum[n][j] - countTreasure(i+1, 1, n, j);
            else sum[i][j] = sum[i][n] + sum[n][j] - sum[n][n] + countTreasure(i+1, j+1, n, n);
        }
    }

    for(int i=1; i<=n; i++) 
        for(int j=1; j<=n; j++) 
            if(sum[i][j] - sum[i-1][j] - sum[i][j-1] + sum[i-1][j-1]) Report(i, j);
}

• Subtask 1: 100 / 100