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neighbors in a grid

wouthur answered on January 2, 2023 Popularity 2/10 Helpfulness 1/10

answer neighbors in a grid

neighbors in a grid

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for (int j = -1; j < 2; j++) {
    for (int i = -1; i < 2; i++) {
        if (i == 0 && j == 0) {continue;}
        int rx = col + i;
        int ry = row + j;
        if (rx >= 0 && ry >= 0 && rx < cols && ry < rows) {
            // is a neighbor
        }
    }
}

Popularity 2/10 Helpfulness 1/10 Language cpp

Source: stackoverflow.com

Tags: c++ grid

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