upgrade to python3;add some validator examples

examples/test_validator.py

@@ -0,0 +1,103 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""
+验证程序测试脚本
+用于测试自定义验证程序是否工作正常
+"""
+
+import os
+import subprocess
+import tempfile
+
+
+def test_float_validator():
+    """测试浮点数验证程序"""
+    print("测试浮点数验证程序...")
+    
+    # 创建测试文件
+    input_file = tempfile.NamedTemporaryFile(mode='w', delete=False)
+    input_file.write("1.0")
+    input_file.close()
+    
+    expected_file = tempfile.NamedTemporaryFile(mode='w', delete=False)
+    expected_file.write("3.14159")
+    expected_file.close()
+    
+    result_file = tempfile.NamedTemporaryFile(mode='w', delete=False)
+    result_file.write("3.14159001")  # 轻微误差
+    result_file.close()
+    
+    try:
+        # 编译验证程序
+        cmd = ['g++', '-o', 'float_validator', 'float_validator.cpp']
+        compile_result = subprocess.run(cmd, capture_output=True, text=True)
+        if compile_result.returncode != 0:
+            print("编译失败:", compile_result.stderr)
+            return
+        
+        # 运行验证程序
+        cmd = ['./float_validator', input_file.name, 
+               expected_file.name, result_file.name]
+        run_result = subprocess.run(cmd, capture_output=True, text=True)
+        
+        print("验证结果:", run_result.stdout.strip())
+        
+        # 清理
+        if os.path.exists('float_validator'):
+            os.remove('float_validator')
+    
+    finally:
+        # 清理临时文件
+        for f in [input_file, expected_file, result_file]:
+            if os.path.exists(f.name):
+                os.unlink(f.name)
+
+
+def test_multi_solution_validator():
+    """测试多解验证程序"""
+    print("测试多解验证程序...")
+    
+    # 创建测试文件
+    input_file = tempfile.NamedTemporaryFile(mode='w', delete=False)
+    input_file.write("")
+    input_file.close()
+    
+    expected_file = tempfile.NamedTemporaryFile(mode='w', delete=False)
+    expected_file.write("1 2 3 4 5")
+    expected_file.close()
+    
+    result_file = tempfile.NamedTemporaryFile(mode='w', delete=False)
+    result_file.write("5 4 3 2 1")  # 相同元素，不同顺序
+    result_file.close()
+    
+    try:
+        # 运行验证程序
+        cmd = ['python3', 'multi_solution_validator.py', 
+               input_file.name, expected_file.name, result_file.name]
+        run_result = subprocess.run(cmd, capture_output=True, text=True)
+        
+        print("验证结果:", run_result.stdout.strip())
+    
+    finally:
+        # 清理临时文件
+        for f in [input_file, expected_file, result_file]:
+            if os.path.exists(f.name):
+                os.unlink(f.name)
+
+
+def main():
+    """主测试函数"""
+    print("=== 自定义验证程序测试 ===")
+    
+    # 切换到示例目录
+    os.chdir('/Users/liushuming/Desktop/bitoj/examples')
+    
+    test_float_validator()
+    print()
+    test_multi_solution_validator()
+    
+    print("\n测试完成！")
+
+
+if __name__ == "__main__":
+    main()