#include <stdio.h> int main() { int n, i, sum = 0; printf("Enter a positive integer: "); scanf("%d", &n); i = 1;
while (i <= n) {
sum += i;
++i;
}
printf("Sum = %d", sum);
return 0;
}
#include <stdio.h> int main() { int n, i, sum = 0; printf("Enter a positive integer: "); scanf("%d", &n); i = 1;
while (i <= n) {
sum += i;
++i;
}
printf("Sum = %d", sum);
return 0;
}