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Submission #258640

# Submission time Handle Problem Language Result Execution time Memory
258640 2020-08-06T09:52:11 Z dolphingarlic Treasure (different grader from official contest) (CEOI13_treasure2) C++14
0 / 100
 0 ms 384 KB 
#include "treasure.h"

int pref[101][101];

void findTreasure(int N) {
    for (int i = N; i; i--) for (int j = N; j; j--) {
        if (i > N / 2) {
            if (j > N / 2) pref[i][j] = countTreasure(1, 1, i, j);
            else pref[i][j] = pref[i][N] - countTreasure(1, j + 1, i, N);
        } else {
            if (j > N / 2) pref[i][j] = pref[N][j] - countTreasure(i + 1, 1, N, j);
            else pref[i][j] = pref[i][N] + pref[N][j] - pref[N][N] - countTreasure(i + 1, j + 1, N, N);
        }
    }
    for (int i = N; i; i--) for (int j = N; j; j--) {
        if (pref[i][j] + pref[i - 1][j - 1] - pref[i - 1][j] - pref[i][j - 1]) Report(i, j);
    }
}

Subtask #1
0.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 256 KB Error - no treasure at (r, c) : r = 3, c = 3
2 Incorrect 0 ms 256 KB Error - no treasure at (r, c) : r = 6, c = 5
3 Incorrect 0 ms 384 KB Error - no treasure at (r, c) : r = 8, c = 1
4 Incorrect 0 ms 384 KB Error - no treasure at (r, c) : r = 9, c = 9
5 Incorrect 0 ms 384 KB Error - no treasure at (r, c) : r = 28, c = 28
6 Incorrect 0 ms 384 KB Error - no treasure at (r, c) : r = 34, c = 31
7 Incorrect 0 ms 384 KB Error - no treasure at (r, c) : r = 39, c = 9
8 Incorrect 0 ms 384 KB Error - no treasure at (r, c) : r = 45, c = 11
9 Incorrect 0 ms 384 KB Error - no treasure at (r, c) : r = 50, c = 50
10 Incorrect 0 ms 384 KB Error - no treasure at (r, c) : r = 51, c = 50