leetcode

1 Random Problem

2 files changed, 21 insertions(+), 0 deletions(-)

diff --git a/ Problems/0611.cpp b/ Problems/0611.cpp

@@ -0,0 +1,20 @@

class Solution {

public:

int triangleNumber(vector<int> &nums) const {

const int n = size(nums);

int res = 0;

sort(begin(nums), end(nums));

for (int k = 2; k < n; k++) {

int i = 0, j = k - 1;

while (i < j) {

if (nums[i] + nums[j] <= nums[k])

i++;

else

res += j - i, j--;

}

}

return res;

}

};

diff --git a/ README.md b/ README.md

@@ -426,6 +426,7 @@ for solving problems. | 0608 | Medium | [Tree Node](Problems/0608.cpp) | | 0609 | Medium | [Find Duplicate File in System](Problems/0609.cpp) | | 0610 | Easy | [Triangle Judgement](Problems/0610.cpp) |

| 0611 | Medium | [Valid Triangle Number](Problems/0611.cpp) |

| 0617 | Easy | [Merge Two Binary Trees](Problems/0617.cpp) | | 0619 | Easy | [Biggest Single Number](Problems/0619.cpp) | | 0620 | Easy | [Not Boring Movies](Problems/0620.cpp) |