时间限制:1 秒 内存限制:32 兆 特殊判题:否 提交:2109 解决:901 题目描述: John von Neumann, b. Dec. 28, 1903, d. Feb. 8, 1957, was a Hungarian-American mathematician who made important contributions to the foundations of mathematics, logic, quantum physics, meteorology, scienc…