Give the tilde (~) notation for the following fragments of the code:

/Initialization

a=0;

b=0;

a)

for (k=1; k

for (j=0; j

a=a+k;

b) for (i=1000; i>0 ;i--)

for( j=0; j

a++;

for( j=0; j< n; j++)

b++;