Create find-the-town-judge.py

Author: kamyu104

Python/find-the-town-judge.py

@@ -0,0 +1,19 @@
+// Time:  O(t + n)
+// Space: O(n)
+
+class Solution {
+public:
+    int findJudge(int N, vector<vector<int>>& trust) {
+        vector<int> degrees(N);
+        for (const auto& t : trust) {
+            --degrees[t[0] - 1];
+            ++degrees[t[1] - 1];
+        } 
+        for (int i = 0; i < degrees.size(); ++i) {
+            if (degrees[i] == N - 1) {
+                return i + 1;
+            }
+        }
+        return -1;
+    }
+};