| #include <stdlib.h> |
| #include <stdio.h> |
| |
| #define SIZE 100 |
| |
| static int SumArray(int *Array, unsigned Num) { |
| int Result = 0; |
| unsigned i; |
| for (i = 0; i < Num; ++i) |
| Result += Array[i]; |
| |
| return Result; |
| } |
| |
| static int SumArray2(int *Array, unsigned Num) { |
| int Result = 0; |
| unsigned i; |
| for (i = 0; i < Num; ++i) |
| Result += *Array++; |
| |
| return Result; |
| } |
| |
| static void FillArray(int *Array, unsigned Num) { |
| unsigned i; |
| for (i = 0; i < Num; ++i) |
| Array[i] = i; |
| } |
| |
| int |
| main(int argc, char** argv) |
| { |
| int size; |
| int *MyArray; |
| |
| size = (argc < 2)? SIZE : atoi(argv[1]); |
| MyArray = malloc(sizeof(int)* size); |
| |
| FillArray(MyArray, size); |
| printf("Sum1 = %d\n", SumArray(MyArray, SIZE)); |
| printf("Sum2 = %d\n", SumArray2(MyArray, SIZE)); |
| free(MyArray); |
| return(0); |
| } |