clean stdin.txt and complete 2473.py

zeta_python/completed/2473.py

@@ -0,0 +1,31 @@
+def solve(N: int, S: list[int]):
+    S.sort()
+    st1: int = 0
+    st2: int = st1 + 1
+    end: int = N - 1
+    r = 1000_0000_0000_0000
+    r_pos = None, None, None
+    while st2 < end:
+        while st2 < end:
+            s = S[st1] + S[st2] + S[end]
+            if abs(s) < r:
+                r = abs(s)
+                r_pos = st1, st2, end
+                if r == 0:
+                    return sorted((S[r_pos[0]], S[r_pos[1]], S[r_pos[2]]))
+            if s < 0:
+                st2 += 1
+            elif s > 0:
+                end -= 1
+
+        st1 += 1
+        st2 = st1 + 1
+        end = N - 1
+
+    return sorted((S[r_pos[0]], S[r_pos[1]], S[r_pos[2]]))
+
+
+if __name__ == "__main__":
+    N = int(input())
+    S = list(map(int, input().split()))
+    print(*solve(N, S))