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Consider a matrix having lines and columns. The contents of the matrix is filled with 0 or 1 based on the following rules: 1. First line is full of zeros except the central element (position for 0 based index as in C++, … Continue reading
After traveling from a point X on earth 10 km South, 10 km East and 10 km North you arrive at the same location X. Where is X situated? How many such points X exist? The obvious solution is X … Continue reading