i was trying the graph code as discussed in class
https://ide.codingblocks.com/#/s/17758
on the ide it says runtime error while on code blocks it says “range based for loop not allowed”
any other way to write this loop? line no. is 23
Range based for loop?
satyam range based loop is a feature of c++11 and i think u are using c++98 in code block just go to in compiler setting abd change to c++11 the loop will work