Hi, I’ve written my code according to the tutorial on the problem and when I’ve run it against the sample and larger numbers ~100 it works. The code isn’t being accepted by Chef, just says WRONG. I’ve checked for OBOB and printing errors but I can’t fathom whats wrong.

Any help would be useful.

Note: some multiplications and underscores seem to have been edited out…it should be multiply_digit, init[index]*next etc

include include /* Helper program to factorial. Program to print vector of digits of a number Pre-Condition: number expressed in the vector starts from least significant digit to most Post-Condition: console shows expressed number and cursor on next line */ void extractAns(std::vector digits){ for(int i = digits.size()-1; i > 0; --i) { printf("%i", digits[i]); } printf("%i\n", digits[0]); // Move to next line } /* Helper program to factorial. Program to multiply a number, expressed as vector of digits from least significant to most, by a small integer. The vector increases in size as neccesary and is ammended by the program. Pre-Condition: number expressed in the vector starts from least significant digit to most. */ void multiply(std::vector &init, int next){ int temp = 0; int index = 0; while((index < init.size()) || (temp != 0)) { int multiply_digit = init[index]*next + temp; init[index] = multiply_digit % 10; temp = multiply_digit/10; if((index == init.size()-1) && (temp != 0)) { init.push_back(0); } ++index; } } /* Program that utilises two helper functions to calculate the factorial of a small number ~100. This is done by representing the number as a vector of digits starting from 1 and multiplying all the numbers up to our input. The answer is printed to the console. */ void factorial(int input){ std::vector here({1}); for(int i = 2; i <= input; ++i) { multiply(here, i); } extractAns(here); } int main(){ int no_of_tests; scanf("%i", &no_of_tests); int input(0); for(int i = 0; i < no_of_tests; ++i) { scanf("%i", &input); factorial(input); } } ```