Create app.py

app.py

@@ -0,0 +1,39 @@
+import gradio as gr
+import os
+from random import random
+
+
+flag = os.getenv("FLAG")
+
+
+def main(request: str) -> str:
+    you = float(input())
+    
+    N = 10000
+    enemys = [random() * 2 * you for _ in range(N)]
+    
+    win_count = 0
+    for r in enemys:
+        if not (you <= r):
+            win_count += 1
+    
+    if win_count == N:
+        return f"勝利! pgctf{flag}"
+    else:
+        return f"あなたは {win_count} 人に勝ちました。"
+        
+
+
+demo = gr.Interface(
+    fn=main,
+    inputs=[
+        gr.Textbox(label="request"),
+    ],
+    outputs=[
+        gr.Textbox(label="response"),
+    ],
+)
+
+demo.launch()
+
+