loops in c

1// Print numbers from 1 to 10
2#include <stdio.h>
3
4int main() {
5  int i;
6
7  for (i = 1; i < 11; ++i)
8  {
9    printf("%d ", i);
10  }
11  return 0;
12}

1for(int i = 0; i<n ;i++) //i is the number of iterations that occur
2{						 //n is the total number of iterations
3 //code here
4}

1int i;
2for (i = 0; i < n; ++i) { // n is the number of iterations
3	// Code here
4}

1for(int i=0; i<10; i++)
2  printf("%d ", i)  /* displays:  0 1 2 3 4 5 6 7 8 9 */

1//Sample for loop in c
2//Prints the contents of the array in new lines
3#include <stdio.h>
4int main(){
5	int a, b[5] = {2, 4, 5, 7, 9};
6  for (a = 0; a<5; a++){
7    printf("%d\n", b[a]);
8  }
9  
10      
11}

1// Program to calculate the sum of first n natural numbers
2// Positive integers 1,2,3...n are known as natural numbers
3
4#include <stdio.h>
5int main()
6{
7    int num, count, sum = 0;
8
9    printf("Enter a positive integer: ");
10    scanf("%d", &num);
11
12    // for loop terminates when num is less than count
13    for(count = 1; count <= num; ++count)
14    {
15        sum += count;
16    }
17
18    printf("Sum = %d", sum);
19
20    return 0;
21}