histogram prettified

main.cpp

@@ -24,7 +24,9 @@ double promptd(string,bool*);
 string prompts(string,bool*);
 double avg(std::list<double>*);
 void countw(std::list<string>&, wordcount*);
-void histogram(int);
+void histogram(wordcount&);
+void spacep(int);
+void histogramp(int);
 
 int main() {
   printlm("Get histogram of input:");
@@ -37,11 +39,7 @@ int main() {
   printlm("Histogram:");
   wordcount wc {};
   countw(lst,&wc);
-  for (const auto c : wc) {
-    printm(c.first);
-    printm(" ");
-    histogram(c.second);
-  }
+  histogram(wc);
   return 0;
 }
 
@@ -96,6 +94,20 @@ void countw(std::list<string> &values, wordcount *holder) {
   }
 }
 
-void histogram(int num) {
+void histogram(wordcount &wc) {
+  int maxl {};
+  for (const auto c : wc) if (c.first.length() > maxl) maxl = c.first.length();
+  for (const auto c : wc) {
+    printm(c.first);
+    spacep(1 + maxl - c.first.length());
+    histogramp(c.second);
+  }
+}
+
+void spacep(int num) {
+  for (auto i = 0; i < num; ++i) printm(" ");
+}
+
+void histogramp(int num) {
   for (auto i = 1; i <= num; ++i) if (i == num) printlm("*"); else printm("*");
 }