leetcode

Solution to some Leetcode problems written in C++
git clone git://git.dimitrijedobrota.com/leetcode.git
Log | Files | Refs | README | LICENSE |
commita0d3ce4aff8b642353244e3dc4c053ee84c5fef0
parent83959563e1f1525d34518c7624f3caa174db4d15
authorDimitrije Dobrota <mail@dimitrijedobrota.com>
dateWed, 27 Sep 2023 22:17:13 +0000

Daily Problem

Diffstat:
AProblems/0880.cpp|++++++++++++++++++++
MREADME.md|+

2 files changed, 21 insertions(+), 0 deletions(-)

diff --git a/Problems/0880.cpp b/Problems/0880.cpp

@@ -0,0 +1,20 @@

class Solution {
public:
string decodeAtIndex(const string &s, int k) {
long n = 0, idx;
for (idx = 0; n < k; idx++) {
n = isdigit(s[idx]) ? n * (s[idx] & 0x0F) : n + 1;
}
while (idx--) {
if (isdigit(s[idx]))
n /= s[idx] & 0x0F, k %= n;
else if (k % n == 0)
return string(1, s[idx]);
else
n--;
}
return "";
}
};

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

@@ -429,6 +429,7 @@ for solving problems.

| 0876 | Easy | [Middle of the Linked List](Problems/0876.cpp) |
| 0877 | Medium | [Stone Game](Problems/0877.cpp) |
| 0879 | Hard | [Profitable Schemes](Problems/0879.cpp) |
| 0880 | Medium | [Decoded String at Index](Problems/0880.cpp) |
| 0881 | Medium | [Boats to Save People](Problems/0881.cpp) |
| 0884 | Easy | [Uncommon Words from Two Sentences](Problems/0884.cpp) |
| 0885 | Medium | [Spiral Matrix III](Problems/0885.cpp) |