add #81 RGB

https://quera.org/problemset/244098

Author: alisharify7

Medium-Questions/81-RGB-supplement/Python/app.py

@@ -0,0 +1,13 @@
+import os
+
+def main():
+    x = int(input())
+    colors = [input().split("#")[-1] for i in range(x)]
+    for color in colors:
+        r, g, b = int(color[:2], base=16), int(color[2:4], base=16), int(color[4:6], base=16)
+        c = f"#{str(hex(255-r)).replace('0x', '').zfill(2)}{str(hex(255-g)).replace('0x', '').zfill(2)}{str(hex(255-b)).replace('0x', '').zfill(2)}"
+        print(c.upper())
+
+
+if __name__ == '__main__':
+    main()

Medium-Questions/81-RGB-supplement/README.md

@@ -0,0 +1,5 @@
+<img src="./doc/quiz.png">
+
+
+
+https://quera.org/problemset/244098