leetcode

Solution to some Leetcode problems written in C++
git clone git://git.dimitrijedobrota.com/leetcode.git
Log | Files | Refs | README | LICENSE |
commitf4227ac904a43e34867d485f76976c700dfb1488
parent59bb9742720b8a263fb022d83c6a0528d89ae729
authorDimitrije Dobrota <mail@dimitrijedobrota.com>
dateFri, 10 Feb 2023 12:21:33 +0100

Dynamic Programming I: Day 21 FINISH

Diffstat:
AProblems/0343.cpp|+++++++++++++
AProblems/0377.cpp|+++++++++++++
MREADME.md|++

3 files changed, 28 insertions(+), 0 deletions(-)

diff --git a/Problems/0343.cpp b/Problems/0343.cpp

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

class Solution {
public:
int integerBreak(int n) {
if (n == 2) return 1;
if (n == 3) return 2;
if (n % 3 == 0)
return pow(3, n / 3);
else if (n % 3 == 1)
return pow(3, n / 3 - 1) * 4;
return pow(3, n / 3) * (n % 3);
}
};

diff --git a/Problems/0377.cpp b/Problems/0377.cpp

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

class Solution {
public:
int combinationSum4(vector<int> &nums, int target) {
vector<long long> dp(target + 1, 0);
dp[0] = 1;
for (int i = 1; i <= target; i++)
for (int num : nums)
if (i - num >= 0) dp[i] = (dp[i] + dp[i - num]) % INT_MAX;
return dp.back();
}
};

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

@@ -181,6 +181,7 @@ for solving problems.

| 0334 | Medium | [Increasing Triplet Subsequence](Problems/0334.cpp) |
| 0338 | Easy | [Counting Bits](Problems/0338.cpp) |
| 0342 | Easy | [Power of Four](Problems/0342.cpp) |
| 0343 | Medium | [Integer Break](Problems/0343.cpp) |
| 0344 | Easy | [Reverse String](Problems/0344.cpp) |
| 0345 | Easy | [Reverse Vowels of a String](Problems/0345.cpp) |
| 0347 | Medium | [Top K Frequent Elements](Problems/0347.cpp) |

@@ -188,6 +189,7 @@ for solving problems.

| 0352 | Hard | [Data Stream as Disjoint Intervals](Problems/0352.cpp) |
| 0374 | Easy | [Guess Number Higher or Lower](Problems/0374.cpp) |
| 0376 | Medium | [Wiggle Subsequence](Problems/0376.cpp) |
| 0377 | Medium | [Combination Sum IV](Problems/0377.cpp) |
| 0383 | Easy | [Ransom Note](Problems/0383.cpp) |
| 0387 | Easy | [First Unique Character in a String](Problems/0387.cpp) |
| 0392 | Easy | [Is Subsequence](Problems/0392.cpp) |