leetcode

Solution to some Leetcode problems written in C++
git clone git://git.dimitrijedobrota.com/leetcode.git
Log | Files | Refs | README | LICENSE
commit f1b10a603adde3e7158265b46ca5c38851e2c2c1
parent b4cb2b84000edff8d93699cde3c33998d60ad826
author Dimitrije Dobrota < mail@dimitrijedobrota.com >
date Thu, 4 Jan 2024 02:32:03 +0000

Daily Problem

Diffstat:
A Problems/2870.cpp | +++++++++++++++
M README.md | +

2 files changed, 16 insertions(+), 0 deletions(-)

diff --git a/ Problems/2870.cpp b/ Problems/2870.cpp

@@ -0,0 +1,15 @@

class Solution {
public:
int minOperations(const vector<int> &nums) const {
unordered_map<int, int> count;
for (const int n : nums)
count[n]++;

int res = 0;
for (const auto [_, cnt] : count) {
if (cnt == 1) return -1;
res += ceil((double)cnt / 3);
}
return res;
}
};

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

@@ -1041,6 +1041,7 @@ for solving problems.

| 2807 | Medium | [Insert Greatest Common Divisors in Linked List](Problems/2807.cpp) |
| 2849 | Medium | [Determine if a Cell Is Reachable at a Given Time](Problems/2849.cpp) |
| 2856 | Medium | [Minimum Array Length After Pair Removals](Problems/2856.cpp) |
| 2870 | Medium | [Minimum Number of Operations to Make Array Empty](Problems/2870.cpp) |
| 2895 | Medium | [Minimum Processing Time](Problems/2895.cpp) |
| 2900 | Medium | [Longest Unequal Adjacent Groups Subsequence I](Problems/2900.cpp) |
| 2914 | Medium | [Minimum Number of Changes to Make Binary String Beautiful](Problems/2914.cpp) |