Add my solution for L10

1 files changed, 34 insertions, 0 deletions

diff --git a/2022-2/L10/mitsuo/aux.h b/2022-2/L10/mitsuo/aux.h
new file mode 100644
index 0000000..04df37c
--- /dev/null
+++ b/2022-2/L10/mitsuo/aux.h
@@ -0,0 +1,34 @@
+/* 
+ * File:   aux.h
+ * Author: mitsuo
+ *
+ * Created on 27 November 2022, 11:48
+ */
+
+#ifndef AUX_H
+#define AUX_H
+
+// The parenthesis in C/C++ macros are best practice
+// https://stackoverflow.com/q/7186504/7498073
+
+// Width-Left (use with strings)
+#define WL(w)           " " << setw((w) - 1) << left << setprecision(2) << fixed
+
+// Width-Right (use with numbers)
+#define WR(w)           setw(w) << right << setprecision(2) << fixed
+
+// Width-Right-0-padding
+#define WR0(w, w0, x)   setw((w) - (w0)) << "" \
+                        << setw(w0) << right << setfill('0') \
+                        << setprecision(2) << fixed << (x) \
+                        << setfill(' ')
+
+// Width-Left-Date (dd/mm/yyyy format)
+#define WLD(w, x)       setw((w) - 10) << "" << WR0(2, 2, (x) % 100) \
+                        << '/' << WR0(2, 2, (x) / 100 % 100) \
+                        << '/' << WR0(4, 4, (x) / 10000)
+
+#define MAXLEN          100
+
+#endif /* AUX_H */
+