summaryrefslogtreecommitdiff
path: root/sonstiges/Roman.cpp
diff options
context:
space:
mode:
authorPaul Jungeblut <s_jungeb@i08pc54.atis-stud.uni-karlsruhe.de>2014-11-25 17:08:35 +0100
committerPaul Jungeblut <s_jungeb@i08pc54.atis-stud.uni-karlsruhe.de>2014-11-25 17:08:35 +0100
commit24a946fdaeb0e5ceabf458007128df4fd4872733 (patch)
treeed55b8ae16442411724672df3c32a341b203a07d /sonstiges/Roman.cpp
parent6c52da34e58b900b574b4a420f41dae44700b7b8 (diff)
parent083aca7f730fec966e384f80a902b062f4c3b799 (diff)
Merge branch 'master' of https://github.com/pjungeblut/ChaosKITs
merge# Bitte geben Sie eine Commit-Beschreibung ein um zu erklären, warum dieser
Diffstat (limited to 'sonstiges/Roman.cpp')
-rw-r--r--sonstiges/Roman.cpp40
1 files changed, 40 insertions, 0 deletions
diff --git a/sonstiges/Roman.cpp b/sonstiges/Roman.cpp
new file mode 100644
index 0000000..195f833
--- /dev/null
+++ b/sonstiges/Roman.cpp
@@ -0,0 +1,40 @@
+map<char,int> m; map<int,char> o;
+int num[7] = {1000,500,100,50,10,5,1};
+
+void buildMap() {
+ m['M'] = 1000; m['D'] = 500; m['C'] = 100; m['L'] = 50; m['X'] = 10; m['V'] = 5; m['I'] = 1; m[' '] = 0;
+ o[1000] = 'M'; o[500] = 'D'; o[100] = 'C'; o[50] = 'L'; o[10] = 'X'; o[5] = 'V'; o[1] = 'I';
+}
+
+int convertToInt(string &s) {
+ int res = m[s[0]];
+ for(int i = 1; i < s.size(); i++) {
+ if(m[s[i-1]] < m[s[i]])
+ res -= 2*m[s[i-1]];
+ res += m[s[i]];
+ }
+ return res;
+}
+
+string convertToRoman(int n) {
+ string roman = "";
+ for(int i = 0; i < 7; i++) {
+ while(n >= num[i]) {
+ roman += o[num[i]];
+ n -= num[i];
+ }
+ }
+ int pos = roman.find("CCCC");
+ if(pos != string::npos) roman.replace(pos,4,"CD");
+ pos = roman.find("XXXX");
+ if(pos != string::npos) roman.replace(pos,4,"XL");
+ pos = roman.find("IIII");
+ if(pos != string::npos) roman.replace(pos,4,"IV");
+ pos = roman.find("DCD");
+ if(pos != string::npos) roman.replace(pos,3,"CM");
+ pos = roman.find("LXL");
+ if(pos != string::npos) roman.replace(pos,3,"XC");
+ pos = roman.find("VIV");
+ if(pos != string::npos) roman.replace(pos,3,"IX");
+ return roman;
+}