C Programming
Universal Code Snippet
#include <stdio.h>
int main() {
printf("Hello, World!\n");
return 0;
}int main() {
char name[50];
printf("Enter your name: ");
scanf("%s", name);
printf("Hello, %s!\n", name);
return 0;
}#include <stdio.h>
int main() {
int age = 20;
if (age >= 18) {
printf("You are an adult.\n");
} else {
printf("You are a minor.\n");
}
return 0;
}#include <stdio.h>
int main() {
// For loop
printf("For loop:\n");
for (int i = 1; i <= 5; i++) {
printf("%d ", i);
}
printf("\n");
// While loop
printf("While loop:\n");
int j = 1;
while (j <= 5) {
printf("%d ", j);
j++;
}
printf("\n");
return 0;
}#include <stdio.h>
int add(int a, int b) {
return a + b;
}
int main() {
int result = add(10, 20);
printf("Sum: %d\n", result);
return 0;
}#include <stdio.h>
int main() {
int numbers[] = {10, 20, 30, 40, 50};
int size = sizeof(numbers) / sizeof(numbers[0]);
for (int i = 0; i < size; i++) {
printf("Element %d: %d\n", i, numbers[i]);
}
return 0;
}#include <stdio.h>
#include <string.h>
int main() {
char str1[50] = "Hello";
char str2[] = " World";
printf("Length: %lu\n", strlen(str1));
strcat(str1, str2);
printf("Concatenated: %s\n", str1);
char str3[50];
strcpy(str3, str1);
printf("Copied: %s\n", str3);
return 0;
}#include <stdio.h>
int main() {
float a = 15.0, b = 4.0;
printf("Add: %.2f\n", a + b);
printf("Subtract: %.2f\n", a - b);
printf("Multiply: %.2f\n", a * b);
printf("Divide: %.2f\n", a / b);
return 0;
}
