move all contest solutions into proper practice folder in prep for real problem solution

icpc/ecna-regional-contest-2018/practice/A/main.py

@@ -0,0 +1,28 @@
+import sys, os, math
+
+# Pythagorean Distance Formula
+def pyth(x1, y1, x2, y2):
+        return math.sqrt(((x1 - x2) ** 2) + ((y1 - y2) ** 2))
+
+def dist(spot1, spot2):
+    return pyth(spot1[0], spot1[1], spot2[0], spot2[1])
+
+def main():
+    def parse(dat):
+        return list(map(int, dat.split()))
+
+
+    path = os.path.join(sys.path[0], 'input')
+    data = open(path, 'r').read().split('\n')
+    listeners = []
+
+
+    for dataset in data:
+        listeners.append(parse(dataset))
+    spy = listeners.pop(0)
+
+    distances = sorted(list(map(lambda x : dist(spy, x), listeners)))
+    print(int(distances[:2][-1]))
+
+if __name__ == "__main__":
+    main()