int* twoSum(int* nums, int numsSize, int target, int* returnSize){
returnSize=NULL;
for(int i=0;i<numsSize-1;i++){
for(int j=0;j<numsSize;j++){
if(nums[i]+nums[j]==target){
returnSize =(int*)malloc(sizeof(int)*2);
returnSize[0]=i;
returnSize[1]=j;
return returnSize;
}
}
}
return returnSize;}