Give a tight bound of the nearest runtime complexity class f…

Give a tight bound of the nearest runtime complexity class for each of the following code fragments in Big-Oh notation, in terms of the variable N. In other words, write the code’s growth rate as N grows. Write a simple expression that gives only a power of N using a caret ^ character for exponentiation, such as O(N^2) to represent O(N2) or O(log N) to represent O(log2 N). Do not write an exact calculation of the runtime such as O(2N3 + 4N + 14). // a) map m; for (int i = 1; i 0) { m.erase(i – 1); m[ i ] = “bar”; } } [c1] // b) vector list; for (int i = N; i >= 1; i–) { for (int j = 1; j