Added main.py. Runs all solutions from lowest to highest and formats the solution.

main.py

@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+
+import os
+import subprocess
+import re
+import sys
+
+exs = ['py', 'exe']
+sol_pattern = re.compile(r'(\d+)_.+\.(?:{})'.format('|'.join(exs)))
+
+def print_bar(i, count):
+    step = 1
+    while count // step > 80:
+        step += 1
+    w = count // step
+    j = i // step
+    bar = '[{}{}] {}/{}'.format('#'*(j), '.'*(w - j), i, count)
+    print(bar, end='\r')
+    return len(bar)
+
+def run(fn, cmd=None):
+    if cmd == None:
+        ext = fn.split('.')[-1]
+        if ext == 'py':
+            with open(fn) as f:
+                shebang = f.read().lstrip().split('\n')[0]
+            if shebang[:2] != '#!':
+                cmd = 'pypy '
+            else:
+                cmd = shebang[2:].replace('python', 'pypy') + ' ' 
+        else:
+            cmd = './' 
+
+    proc = subprocess.run(cmd + fn, shell=True,
+                          stdout=subprocess.PIPE,
+                          stderr=subprocess.PIPE)
+    if len(proc.stderr) > 0:
+        if 'pypy' in cmd:
+            print('warning : pypy failed. trying cpython', file=sys.stderr)
+            print(proc.stderr)
+            return run(fn, cmd = cmd.replace('pypy', 'python'))
+        print('error : error while running solution')
+        print(proc.stderr)
+
+    return proc.stdout.decode('utf-8').rstrip().split('\n')[-1]
+    
+def main():
+    matches = map(sol_pattern.fullmatch, os.listdir('.'))
+    fs = {int(m.group(1)) : m.group(0) for m in matches if m != None}
+    solved = sorted(fs.keys())
+
+
+    print('Num    Solution')
+    print('---------------')
+    for i, x in enumerate(solved, start=1):
+        bar_len = print_bar(i, len(fs))
+
+        f = fs[x]
+        r = run(f)
+        fst_str = '{:03d}    {}'.format(x, r)
+        print(fst_str, end='')
+        line = ' ' * (bar_len - len(fst_str))
+        print(line)
+
+if __name__ == '__main__':
+    main()