C Program to Check Pass or Fail Using if-else
Read marks in C and print Pass or Fail with a simple if-else threshold.
Dynamic Memory Allocation in C: malloc, calloc, free
Allocate arrays at runtime in C with malloc/calloc and release them with free.
Check if a File Exists in Python Without Exceptions
Use pathlib.Path.exists or os.path.isfile to test for a file without try/except.
C Program Using a Student Record Structure
Define a student struct in C with roll, name, and marks, then read and display records.
C Program to Check Prime Number
Test whether an integer is prime in C by checking divisors up to sqrt(n).
C Program to Print Day of Week (1 to 7)
Map integers 1–7 to weekday names in C using switch or if-else.
Check if a String Contains a Substring in JavaScript
Use includes, indexOf, or a regex test to check substrings in JavaScript — with case-sensitivity notes.
Simple Python Calculator Code
Build a small Python calculator that reads two numbers and an operator, then prints the result.
Python Program to Calculate the Area of a Triangle
Compute triangle area in Python from base and height, or from three sides with Heron’s formula.
C Program: Count People by Height and Weight Conditions
Read height and weight for several people in C and count how many match a condition.