The Identity Sub-Matrix
CodeChefOpen on judge ↗
You have a matrix of size N * N with rows numbered through 1 to N from top to bottom and columns through 1 to N from left to right. You have to go through the matrix and find out the number of identity matrix in N * N matrix. The identity matrix of size n is the n × n square matrix with ones on the main diagonal and zeros elsewhere. NOTE: 1 is also a identity matrix. Input - The first line of
HINT LADDERno hints yet
L1 Observation
L2 Technique
L3 Approach
L4 Pseudo-code
🔒
L5 Full solution
L5 unlocks only if you insist twice
solution.cppC++17
CodeSearch Tutor
Hints, not spoilers — it won’t hand over the full solution unless you insist.
Sign in to chat with the tutor and save your progress.
Sign in to start