1057. Stack (30) 时间限制 150 ms 内存限制 65536 kB 代码长度限制 16000 B 判题程序 Standard 作者 CHEN, Yue Stack is one of the most fundamental data structures, which is based on the princi
1057. Stack (30) 时间限制 100 ms 内存限制 32000 kB 代码长度限制 16000 B 判题程序 Standard Stack is one of the most fundamental data structures, which is based on the principle of Last In First