int *twoSum(int numbers[], int n, int target) {

```
int index1, index2;
for(index1 = 0; index1 < n; index1++)
for(index2 = index1+1; index2 < n; index2++)
if(numbers[index1] + numbers[index2] == target){
printf("index1=%d, index2=%d",index1+1,index2+1);
break;
}
return 0;
```

}