leetcode

Solution to some Leetcode problems written in C++
git clone git://git.dimitrijedobrota.com/leetcode.git
Log | Files | Refs | README | LICENSE |
commitb18549f3fc14b71d6273ecda36cad69f9ce781cb
parent66342962641aefca68f3742472458b027dda4f5a
authorDimitrije Dobrota <mail@dimitrijedobrota.com>
dateMon, 29 Jul 2024 21:20:11 +0200

1 Random Problem

Diffstat:
AProblems/2001.cpp|+++++++++++++
MREADME.md|+

2 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/Problems/2001.cpp b/Problems/2001.cpp

@@ -0,0 +1,13 @@

class Solution {
public:
long long interchangeableRectangles(const vector<vector<int>> &rectangles) const {
unordered_map<double, int> um;
long long res = 0;
for (const auto &rec : rectangles) {
res += um[(double)rec[0] / rec[1]]++;
}
return res;
}
};

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

@@ -1042,6 +1042,7 @@ for solving problems.

| 1991 | Easy | [Find the Middle Index in Array](Problems/1991.cpp) |
| 1992 | Medium | [Find All Groups of Farmland](Problems/1992.cpp) |
| 2000 | Easy | [Reverse Prefix of Word](Problems/2000.cpp) |
| 2001 | Medium | [Number of Pairs of Interchangeable Rectangles](Problems/2001.cpp) |
| 2002 | Medium | [Maximum Product of the Length of Two Palindromic Subsequences](Problems/2002.cpp) |
| 2009 | Hard | [Minimum Number of Operations to Make Array Continuous](Problems/2009.cpp) |
| 2023 | Medium | [Number of Pairs of Strings With Concatenation Equal to Target](Problems/2023.cpp) |