100% working
IntuitionApproachComplexity
Time complexity:

Space complexity:
Code
# Intuition
<!-- Describe your first thoughts on how to solve this problem. -->

# Approach
<!-- Describe your approach to solving the problem. -->

# Complexity
- Time complexity:
<!-- Add your time complexity here, e.g. $$O(n)$$ -->

- Space complexity:
<!-- Add your space complexity here, e.g. $$O(n)$$ -->

# Code
```c []
char* triangleType(int* nums, int numsSize) {
static char str[12];
if(nums[0]+nums[1]<=nums[2]||nums[0]+nums[2]<=nums[1]||nums[1]+nums[2]<=nums[0])
    strcpy(str, "none");
else if(nums[0]==nums[1]&&nums[1]==nums[2])
    strcpy(str, "equilateral");
else if(nums[0]==nums[1]||nums[0]==nums[2]||nums[1]==nums[2])
    strcpy(str, "isosceles");
else
    strcpy(str, "scalene");
return str;
}
```
['C']