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| author | Yuqian Yang <crupest@crupest.life> | 2025-02-12 15:55:21 +0800 |
|---|---|---|
| committer | Yuqian Yang <crupest@crupest.life> | 2025-02-12 16:04:50 +0800 |
| commit | 77e6cdc863d2cbd9df578a665804daf28d8593fe (patch) | |
| tree | 62c9f3e071d8d1d6fe125fe801907db11784332e /works/solutions/leetcode/cpp/12.cpp | |
| parent | 10eb95869601e145b1d8bc909424777c25752d51 (diff) | |
| parent | a557fa36a22c5ef4a29da596ee1e3aa10be55984 (diff) | |
| download | crupest-77e6cdc863d2cbd9df578a665804daf28d8593fe.tar.gz crupest-77e6cdc863d2cbd9df578a665804daf28d8593fe.tar.bz2 crupest-77e6cdc863d2cbd9df578a665804daf28d8593fe.zip | |
import(solutions): IMPORT crupest/solutions COMPLETE.
Diffstat (limited to 'works/solutions/leetcode/cpp/12.cpp')
| -rw-r--r-- | works/solutions/leetcode/cpp/12.cpp | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/works/solutions/leetcode/cpp/12.cpp b/works/solutions/leetcode/cpp/12.cpp new file mode 100644 index 0000000..e334895 --- /dev/null +++ b/works/solutions/leetcode/cpp/12.cpp @@ -0,0 +1,51 @@ +#include <string>
+
+using std::string;
+
+const char *roman_digits = "IVXLCDM";
+
+class Solution
+{
+public:
+ string intToRoman(int num)
+ {
+ string result;
+
+ int current_digit_index = 0;
+
+ while (num != 0)
+ {
+ const int digit = num % 10;
+ if (digit == 9)
+ {
+ result += roman_digits[current_digit_index + 2];
+ result += roman_digits[current_digit_index];
+ }
+ else if (digit <= 8 && digit >= 5)
+ {
+ for (int i = 0; i < digit - 5; i++)
+ {
+ result += roman_digits[current_digit_index];
+ }
+ result += roman_digits[current_digit_index + 1];
+ }
+ else if (digit == 4)
+ {
+ result += roman_digits[current_digit_index + 1];
+ result += roman_digits[current_digit_index];
+ }
+ else
+ {
+ for (int i = 0; i < digit; i++)
+ {
+ result += roman_digits[current_digit_index];
+ }
+ }
+
+ num /= 10;
+ current_digit_index += 2;
+ }
+
+ return string(result.crbegin(), result.crend());
+ }
+};
\ No newline at end of file |