Using pumping lemma, which of the following cannot be proved as ‘not a Context Free Language’?

a. all of the mentioned
b. {aibici|i>=0}
c. {ss|s∈{a, b}*}
d. none of the mentioned

Apunishment or the threat of punishment used to enforce conformity. select the best answer from the choices provided t f

Into what form does the barcode reader convert individual bar patterns?

Print "censored" if userinput contains the word "darn", else print userinput. end with newline. ex: if userinput is "that darn cat.", then output is: censoredex: if userinput is "dang, that was scary! ", then output is: dang, that was scary! note: if the submitted code has an out-of-range access, the system will stop running the code after a few seconds, and report "program end never reached." the system doesn't print the test case that caused the reported message.#include #include using namespace std; int main() {string userinput; getline(cin, userinput); int ispresent = userinput.find("darn"); if (ispresent > 0){cout < < "censored" < < endl; /* your solution goes here */return 0; }