промежутое

programm7.py

@@ -0,0 +1,49 @@
+f = open('INPUT.TXT')
+n = int(f.readline().strip())
+size = n * n
+
+grid = []
+for i in range(size):
+    row = list(map(int, f.readline().split()))
+    grid.append(row)
+f.close()
+
+valid_set = set(range(1, size + 1))
+correct = True
+
+for i in range(size):
+    row_set = set(grid[i])
+    if row_set != valid_set:
+        correct = False
+        break
+
+if correct:
+    for j in range(size):
+        col_set = set()
+        for i in range(size):
+            col_set.add(grid[i][j])
+        if col_set != valid_set:
+            correct = False
+            break
+
+if correct:
+    for block_row in range(n):
+        for block_col in range(n):
+            block_set = set()
+            for i in range(n):
+                for j in range(n):
+                    row = block_row * n + i
+                    col = block_col * n + j
+                    block_set.add(grid[row][col])
+            if block_set != valid_set:
+                correct = False
+                break
+        if not correct:
+            break
+
+f = open('OUTPUT.TXT', 'w')
+if correct:
+    f.write('Correct')
+else:
+    f.write('Incorrect')
+f.close()