#include <stdio.h>
int num1[]={2,5,7,9,12,15,18,35};

int twoSum(int* nums, int numsSize);//, int target);//, int* returnSize)

int main() {
	
	printf("我在学C语言\n\n");
    twoSum(num1,8);

	return 0;
}

int twoSum(int* nums, int numsSize)//,int* num2)//, int target)//, int* returnSize)
{
    int i=0;
    int j=0;
    int k=0;
    int* num2;
    for(i=0;i<numsSize;i++)
    {
        for(j=0;j<numsSize;j++)
        {
            if(i!=j)
            {
                 if(nums[i]+nums[j]==7)
                 {
                     num1[k]=i;
                     num1[k+1]=j;
                     k+=2;
                     if(i!=num1[k])
                     {
                         printf("num1[%d]=%d,num1[%d]=%d\n\n",k,i,k+1,j);
                         
                     }
                     printf("i=%d  j=%d\n",i,j);
                     //printf("nums[%d]=%d,nums[%d]=%d\n",i,nums[i],j,nums[j]);
                 }

            }

        }
    }
    return 0; 
}