leetcode

Solution to some Leetcode problems written in C++
git clone git://git.dimitrijedobrota.com/leetcode.git
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commit ae5a9173125eb2af2d51eed32e401600aa070da6
parent ca75407896b7dde4a0edd1d11c575cd6b699b96e
Author: Dimitrije Dobrota <mail@dimitrijedobrota.com>
Date:   Thu,  8 Aug 2024 19:32:49 +0200

1 Random Problem

Diffstat:
AProblems/2536.cpp | 27+++++++++++++++++++++++++++
MREADME.md | 1+
2 files changed, 28 insertions(+), 0 deletions(-)

diff --git a/Problems/2536.cpp b/Problems/2536.cpp @@ -0,0 +1,27 @@ +class Solution { + public: + vector<vector<int>> rangeAddQueries(int n, const vector<vector<int>> &queries) const { + vector<vector<int>> mat(n, vector(n, 0)); + + for (const auto &query : queries) { + mat[query[0]][query[1]]++; + if (query[2] + 1 < n && query[3] + 1 < n) mat[query[2] + 1][query[3] + 1]++; + if (query[2] + 1 < n) mat[query[2] + 1][query[1]]--; + if (query[3] + 1 < n) mat[query[0]][query[3] + 1]--; + } + + for (int i = 0; i < n; i++) { + for (int j = 0, acc = 0; j < n; j++) { + mat[i][j] = acc += mat[i][j]; + } + } + + for (int j = 0; j < n; j++) { + for (int i = 0, acc = 0; i < n; i++) { + mat[i][j] = acc += mat[i][j]; + } + } + + return mat; + } +}; diff --git a/README.md b/README.md @@ -1203,6 +1203,7 @@ for solving problems. | 2498 | Medium | [Frog Jump II](Problems/2498.cpp) | | 2517 | Medium | [Maximum Tastiness of Candy Basket](Problems/2517.cpp) | | 2527 | Medium | [Find Xor-Beauty of Array](Problems/2527.cpp) | +| 2536 | Medium | [Increment Submatrices by One](Problems/2536.cpp) | | 2537 | Medium | [Count the Number of Good Subarrays](Problems/2537.cpp) | | 2540 | Easy | [Minimum Common Value](Problems/2540.cpp) | | 2542 | Medium | [Maximum Subsequence Score](Problems/2542.cpp) |