leetcode

Solution to some Leetcode problems written in C++
git clone git://git.dimitrijedobrota.com/leetcode.git
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commit 8adc9eed81d0c940bfce3e1f9fc8577c411830b2
parent e4f8c09e23ae3fba89856db49b5ef3dc9d7dc8e7
author Dimitrije Dobrota < mail@dimitrijedobrota.com >
date Sat, 17 Aug 2024 21:50:37 +0200

Daily Problem

Diffstat:
A Problems/1937.cpp | ++++++++++++++++++++++++++++
M README.md | +

2 files changed, 29 insertions(+), 0 deletions(-)

diff --git a/ Problems/1937.cpp b/ Problems/1937.cpp

@@ -0,0 +1,28 @@

class Solution {
public:
long long maxPoints(vector<vector<int>> &points) const {
const int n = size(points), m = size(points[0]);
static long long crnt[100001], left[100001], right[100001];

for (int j = 0; j < m; j++)
crnt[j] = points[0][j];
for (int i = 1; i < n; i++) {

left[0] = crnt[0];
for (int j = 1; j < m; j++) {
left[j] = max(left[j - 1], crnt[j] + j);
}

right[m - 1] = crnt[m - 1] - (m - 1);
for (int j = m - 2; j >= 0; j--) {
right[j] = max(right[j + 1], crnt[j] - j);
}

for (int j = 0; j < m; j++) {
crnt[j] = points[i][j] + max(left[j] - j, right[j] + j);
}
}

return *max_element(crnt, crnt + m);
}
};

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

@@ -1036,6 +1036,7 @@ for solving problems.

| 1929 | Easy | [Concatenation of Array](Problems/1929.cpp) |
| 1930 | Medium | [Unique Length-3 Palindromic Subsequences](Problems/1930.cpp) |
| 1934 | Medium | [Confirmation Rate](Problems/1934.cpp) |
| 1937 | Medium | [Maximum Number of Points with Cost](Problems/1937.cpp) |
| 1943 | Medium | [Describe the Painting](Problems/1943.cpp) |
| 1947 | Medium | [Maximum Compatibility Score Sum](Problems/1947.cpp) |
| 1954 | Medium | [Minimum Garden Perimeter to Collect Enough Apples](Problems/1954.cpp) |