C语言程序段运行结果分析：for循环与变量计算

'12\u3002\u4e0b\u9762\u7a0b\u5e8f\u6bb5\u7684\u8fd0\u884c\u7ed3\u679c\u662f\uff08\u3000\uff09\u3002\nfor\uff08y\uff1d1\uff1by\uff1c10\uff09\uff1b\u3000y\uff1d\uff08\uff08x\uff1d3\uff0ast\u3000y\uff0cx\uff0b1\uff09\uff0cx\uff0d1\uff09\uff1b\nprintf\uff08'x\uff1d%d\uff0cy\uff1d%d'\uff0cx\uff0cy\uff09\uff1b\nA\uff09\u3000x\uff1d27\uff0cy\uff1d27\u3000\u3000\u3000\u3000\u3000B\uff09\u3000x\uff1d12\uff0cy\uff1d13\u3000\u3000\u3000\u3000\u3000C\uff09\u3000x\uff1d15\uff0cy\uff1d14\u3000\u3000\u3000\u3000\u3000D\uff09\u3000x\uff1dy\uff1d27\n\u89e3\u6790\u4e00\u4e0b\u4e3a\u4ec0\u4e48\u9009c\n\u9996\u5148\uff0c\u89c2\u5bdf\u7a0b\u5e8f\u6bb5\u4e2d\u7684for\u5faa\u73af\u90e8\u5206\uff1a\n\n\'for\uff08y\uff1d1\uff1by\uff1c10\uff09\uff1b\u3000y\uff1d\uff08\uff08x\uff1d3\uff0ast\u3000y\uff0cx\uff0b1\uff09\uff0cx\uff0d1\uff09\uff1b\n\n\n\u5faa\u73af\u7684\u521d\u59cb\u6761\u4ef6\u662f\u3000y\uff1d1\uff0c\u5faa\u73af\u7684\u7ec8\u6b62\u6761\u4ef6\u662f\u3000y\uff1c10\u3000\u3002\u5faa\u73af\u4f53\u4e2d\u7684\u8bed\u53e5\u662f\u3000y=((x=3*y,x+1),x-1)\u3000\u3002\n\n\u6211\u4eec\u53ef\u4ee5\u5c06\u5faa\u73af\u4f53\u4e2d\u7684\u8bed\u53e5\u8fdb\u884c\u5206\u89e3\uff1a\n\n\'x\uff1d3\uff0ast\u3000y\uff1b\ny\uff1dx\uff0b1\uff1b\ny\uff1dx\uff0d1\uff1b\n\n\n\u53ef\u4ee5\u770b\u5230\uff0c\u5728\u5faa\u73af\u4f53\u4e2d\uff0c\u3000x\u3000\u7684\u503c\u662f\u6839\u636e\u3000y\u3000\u7684\u503c\u8ba1\u7b97\u5f97\u5230\u7684\uff0c\u5e76\u4e14\u3000y\u3000\u7684\u503c\u662f\u6839\u636e\u3000x\u3000\u7684\u503c\u8ba1\u7b97\u5f97\u5230\u7684\u3002\n\n\u6240\u4ee5\uff0c\u5faa\u73af\u4f53\u4e2d\u7684\u8bed\u53e5\u5e76\u4e0d\u4f1a\u6539\u53d8\u3000y\u3000\u7684\u503c\uff0c\u800c\u53ea\u662f\u6539\u53d8\u4e86\u3000x\u3000\u7684\u503c\u3002\n\n\u5faa\u73af\u7684\u7ec8\u6b62\u6761\u4ef6\u662f\u3000y\uff1c10\uff0c\u5728\u5faa\u73af\u4f53\u5185\u90e8\u6ca1\u6709\u6539\u53d8\u3000y\u3000\u7684\u503c\uff0c\u6240\u4ee5\u5faa\u73af\u4f1a\u65e0\u9650\u8fdb\u884c\u4e0b\u53bb\u3002\u4f46\u662f\uff0c\u7531\u4e8e\u5faa\u73af\u4f53\u5185\u90e8\u7684\u8bed\u53e5\u53ea\u662f\u6539\u53d8\u4e86\u3000x\u3000\u7684\u503c\uff0c\u800c\u6ca1\u6709\u6539\u53d8\u3000y\u3000\u7684\u503c\uff0c\u6240\u4ee5\u5faa\u73af\u7684\u7ed3\u679c\u5e76\u4e0d\u4f1a\u5f71\u54cd\u5230\u6700\u7ec8\u7684\u8f93\u51fa\u7ed3\u679c\u3002\n\n\u6700\u540e\uff0c\u6267\u884c\u3000printf('x=%d,y=%d',x,y);\u3000\u8bed\u53e5\uff0c\u8f93\u51fa\u7ed3\u679c\u4e3a\u3000x\u3000\u7684\u503c\u548c\u3000y\u3000\u7684\u503c\u3002\n\n\u6839\u636e\u9898\u76ee\u4e2d\u7684\u4ee3\u7801\uff0c\u3000x\u3000\u7684\u503c\u662f\u5728\u5faa\u73af\u4f53\u4e2d\u8ba1\u7b97\u5f97\u5230\u7684\uff0c\u800c\u5faa\u73af\u4f53\u4e2d\u7684\u8bed\u53e5\u5e76\u6ca1\u6709\u6539\u53d8\u3000y\u3000\u7684\u503c\uff0c\u6240\u4ee5\u6700\u7ec8\u7684\u8f93\u51fa\u7ed3\u679c\u5e94\u8be5\u662f\u3000x\u3000\u7684\u503c\u548c\u5faa\u73af\u4e4b\u524d\u7684\u3000y\u3000\u7684\u503c\u3002\n\n\u7531\u4e8e\u5faa\u73af\u4e4b\u524d\u7684\u3000y\u3000\u7684\u503c\u662f1\uff0c\u800c\u5faa\u73af\u4f53\u4e2d\u7684\u8bed\u53e5\u5e76\u6ca1\u6709\u6539\u53d8\u3000y\u3000\u7684\u503c\uff0c\u6240\u4ee5\u6700\u7ec8\u7684\u8f93\u51fa\u7ed3\u679c\u5e94\u8be5\u662f\u3000x\u3000\u7684\u503c\u548c\u3000y\u3000\u7684\u503c\uff0c\u5c31\u662f\u3000x\uff1d27\uff0cy\uff1d1\u3002\n\n\u6240\u4ee5\uff0c\u6b63\u786e\u7b54\u6848\u662f\u3000A\uff09\u3000x\uff1d27\uff0cy\uff1d27\u3002