Command-line Calculator Error:

[mmario10]

I'm having an error, when it reaches the answer, it always gives me 0!!! I attatched the image of the error, as well as the C file where it resides.

#include <stdio.h>


int main ()
{
	int r = 0;
	int l = 0;
	int b = 0;
	int i = 0;
	int n = 0;
	int a = 0;
	printf(" MARIOTUTORIALS CALCULATOR\n");
	printf("\n");
	printf("\n");
	printf("\n"); 
	printf("[1]  Add\n");
	printf("[2]  Subtract\n");
	printf("[3]  Multiply\n");
	printf("[4]  Divide\n");
	printf("\n");
	printf("\n");
	printf("Choose a number: $~ ");
	scanf("%d", &n); 
	getchar();	
	if(n == 1)
	{
		printf("\n\nHow many numbers do you wish to add? ");
		scanf("%d", &a);
	}
	for(i=0; i < a; i++)
		{
			printf("Your Number(s):  ");
			scanf("%d", &l);
			int b = l + b;
		}
		printf("\n\nANSWER: %d", b);
		getchar();
return(0);
}

[Salem]

2b or not 2b, that is the question.

$ gcc -Wshadow -Wall bar.c
bar.c: In function ‘main’:
bar.c:33: warning: declaration of ‘b’ shadows a previous local
bar.c:7: warning: shadowed declaration is here
bar.c:5: warning: unused variable ‘r’

You have one b too many.

[CommonTater]

	for(i=0; i < a; i++)
		{
			printf("Your Number(s):  ");
			scanf("%d", &l);
			int b = l + b;
		}

Remove the int keyword from your b = l + b; line (5)