leetcode

Solution to some Leetcode problems written in C++
git clone git://git.dimitrijedobrota.com/leetcode.git
Log | Files | Refs | README | LICENSE
commit 6867f0bdda4aa21c7e4cea5c9e9e1ccae5f7da14
parent c0d745cf4ad9d43b0a2fae08ee9c271d48e69755
author Dimitrije Dobrota < mail@dimitrijedobrota.com >
date Thu, 26 Sep 2024 14:25:37 +0200

1 Random Problem

Diffstat:
A Problems/1901.cpp | ++++++++++++++++++++++++++
M README.md | +

2 files changed, 27 insertions(+), 0 deletions(-)

diff --git a/ Problems/1901.cpp b/ Problems/1901.cpp

@@ -0,0 +1,26 @@

class Solution {
public:
vector<int> findPeakGrid(const vector<vector<int>> &mat) const {
int beg = 0, end = mat[0].size() - 1;

while (beg <= end) {
int maxi = 0, mid = beg + (end - beg) / 2;

for (int i = 0; i < mat.size(); i++) {
maxi = mat[i][mid] >= mat[maxi][mid] ? i : maxi;
}

bool isLeft = mid - 1 >= beg && mat[maxi][mid - 1] > mat[maxi][mid];
bool isRight = mid + 1 <= end && mat[maxi][mid + 1] > mat[maxi][mid];

if (!isLeft && !isRight)
return {maxi, mid};
else if (isRight)
beg = mid + 1;
else
end = mid - 1;
}

return {-1, -1};
}
};

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

@@ -1039,6 +1039,7 @@ for solving problems.

| 1895 | Medium | [Largest Magic Square](Problems/1895.cpp) |
| 1897 | Easy | [Redistribute Characters to Make All Strings Equal](Problems/1897.cpp) |
| 1899 | Medium | [Merge Triplets to Form Target Triplet](Problems/1899.cpp) |
| 1901 | Medium | [Find a Peak Element II](Problems/1901.cpp) |
| 1903 | Easy | [Largest Odd Number in String](Problems/1903.cpp) |
| 1905 | Medium | [Count Sub Islands](Problems/1905.cpp) |
| 1907 | Medium | [Count Salary Categories](Problems/1907.cpp) |