An example of how to initialize a matrix: loop

  
#define X_SIZE 60
#define Y_SIZE 30


int main()
{
    int matrix[X_SIZE][Y_SIZE];
    int x,y;    /* current element to zero */

    for (x = 0; x < X_SIZE; ++x) {
        for (y = 0; y < Y_SIZE; ++y) {
            matrix[x][y] = -1;
        }
    }

    return (0);
}

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An example of how to initialize a matrix: loop : Array Int « Data Type « C / ANSI-C

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