Meaning of -
vector< vector< int > > matrix(100, vector < int > (50, 100) )
Want to know meaning
hi @payal_05 this is the syntax for a 2D vector.
The constructor has the parameteres: v(size, value)
it will declare a vector v of size “size” and initialise all the values of vector as “value”
A 2D vector is nothing but a vector of vector. The given syntax will make a 2D vector called “matrix” with 100 rows and 50 columns, and all the values will be initialised as 100
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