Random Numbers in C #include
#include
int main() {
int c, n;
printf(“Ten random numbers in [1,100]\n”);
for (c = 1; c <= 10; c++) {
n = rand() % 100 + 1;
printf(“%d\n”, n);
}
return 0;
}
Simplest C , Swift programming tutorials for Beginners.
Random Numbers in C #include
#include
int main() {
int c, n;
printf(“Ten random numbers in [1,100]\n”);
for (c = 1; c <= 10; c++) {
n = rand() % 100 + 1;
printf(“%d\n”, n);
}
return 0;
}
Add N Numbers in C Programming
#include
int main()
{
int n, sum = 0, c, value;
printf(“Enter the number of integers you want to add\n”);
scanf(“%d”, &n);
printf(“Enter %d integers\n”,n);
for (c = 1; c <= n; c++)
{
scanf(“%d”, &value);
sum = sum + value;
}
printf(“Sum of entered integers = %d\n”,sum);
return 0;
}
Decimal to Binary in C Programming
#include
int main()
{
int n, c, k;
printf(“Enter an integer in decimal number system\n”);
scanf(“%d”, &n);
printf(“%d in binary number system is:\n”, n);
for (c = 31; c >= 0; c–)
{
k = n >> c;
if (k & 1)
printf(“1”);
else
printf(“0”);
}
printf(“\n”);
return 0;
}
C Program to Create a File & Store Information
/*
* C program to create a file called emp.rec and store information
* about a person, in terms of his name, age and salary.
*/
#include
void main()
{
FILE *fptr;
char name[20];
int age;
float salary;
/* open for writing */
fptr = fopen(“emp.rec”, “w”);
if (fptr == NULL)
{
printf(“File does not exists \n”);
return;
}
printf(“Enter the name \n”);
scanf(“%s”, name);
fprintf(fptr, “Name = %s\n”, name);
printf(“Enter the age\n”);
scanf(“%d”, &age);
fprintf(fptr, “Age = %d\n”, age);
printf(“Enter the salary\n”);
scanf(“%f”, &salary);
fprintf(fptr, “Salary = %.2f\n”, salary);
fclose(fptr);
}
Output:
Enter the name
ABCD
Enter the age
45
Enter the salary
355550
Reverse a Given number in C Programming
#include
int main()
{
int n, reverse=0, rem;
printf(“Enter an integer: “);
scanf(“%d”, &n);
while(n!=0)
{
rem=n%10;
reverse=reverse*10+rem;
n/=10;
}
printf(“Reversed Number = %d”,reverse);
return 0;
}
C Program to Sum of Natural numbers
/* This program is solved using while loop. */
#include
int main()
{
int n, count, sum=0;
printf(“Enter an integer: “);
scanf(“%d”,&n);
count=1;
while(countn */
{
sum+=count; /* sum=sum+count */
++count;
}
printf(“Sum = %d”,sum);
return 0;
}