leetcode

Solution to some Leetcode problems written in C++
git clone git://git.dimitrijedobrota.com/leetcode.git
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commit1f75a5874ad6db72c5715312e9b61f403fb34767
parent74ba4dea073e7d5284195d863285e4ffe73cbdc8
authorDimitrije Dobrota <mail@dimitrijedobrota.com>
dateSat, 21 Sep 2024 17:20:42 +0200

1 Random Problem

Diffstat:
AProblems/0611.cpp|++++++++++++++++++++
MREADME.md|+

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) |