leetcodeSolution to some Leetcode problems written in C++ |
git clone git://git.dimitrijedobrota.com/leetcode.git |
Log | Files | Refs | README | LICENSE | |
commit | ca75407896b7dde4a0edd1d11c575cd6b699b96e |
parent | fc65f7171f2500b65ed613e29ccdb7c511a15275 |
author | Dimitrije Dobrota <mail@dimitrijedobrota.com> |
date | Wed, 7 Aug 2024 17:33:26 +0200 |
Daily Problem
Diffstat:A | Problems/0273.cpp | | | +++++++++++++++++++++++++++++++ |
M | README.md | | | + |
2 files changed, 32 insertions(+), 0 deletions(-)
diff --git a/Problems/0273.cpp b/Problems/0273.cpp
@@ -0,0 +1,31 @@
class Solution {
static string int_string(int n) {
static const char *const below_20[] = {"One", "Two", "Three", "Four", "Five",
"Six", "Seven", "Eight", "Nine", "Ten",
"Eleven", "Twelve", "Thirteen", "Fourteen", "Fifteen",
"Sixteen", "Seventeen", "Eighteen", "Nineteen"};
static const char *const below_100[] = {"Twenty", "Thirty", "Forty", "Fifty",
"Sixty", "Seventy", "Eighty", "Ninety"};
if (n >= 1000000000)
return int_string(n / 1000000000) + " Billion" + int_string(n - 1000000000 * (n / 1000000000));
else if (n >= 1000000)
return int_string(n / 1000000) + " Million" + int_string(n - 1000000 * (n / 1000000));
else if (n >= 1000)
return int_string(n / 1000) + " Thousand" + int_string(n - 1000 * (n / 1000));
else if (n >= 100)
return int_string(n / 100) + " Hundred" + int_string(n - 100 * (n / 100));
else if (n >= 20)
return string(" ") + below_100[n / 10 - 2] + int_string(n - 10 * (n / 10));
else if (n >= 1)
return string(" ") + below_20[n - 1];
return "";
}
public:
string numberToWords(int num) const {
if (num == 0) return "Zero";
return int_string(num).substr(1);
}
};
diff --git a/README.md b/README.md
@@ -252,6 +252,7 @@ for solving problems.
| 0263 | Easy | [Ugly Number](Problems/0263.cpp) |
| 0264 | Medium | [Ugly Number II](Problems/0264.cpp) |
| 0268 | Easy | [Missing Number](Problems/0268.cpp) |
| 0273 | Hard | [Integer to English Words](Problems/0273.cpp) |
| 0274 | Medium | [H-Index](Problems/0274.cpp) |
| 0278 | Easy | [First Bad Version](Problems/0278.cpp) |
| 0279 | Medium | [Perfect Squares](Problems/0279.cpp) |