modified codes

programs/printf-formats/main.c

@@ -5,7 +5,7 @@ int main(void) {
     double x;
 
     printf("Int n: "); scanf("%d", &n);
-    printf("Doble n: "); scanf("%f", &x);
+    printf("Double x: "); scanf("%lf", &x);
 
     printf("Integer n is %d\n", n);
     printf("Double percision floating point decimal x is %f\n", x);