总时间限制: 1000ms 内存限制: 65536kB 描述 Calculate a + b 输入 Two integer a,,b (0 ≤ a,b ≤ 10) 输出 Output a + b 样例输入 1 2 样例输出 3 提示 Q: Where are the input and the output? A: Your program shall always read input from stdin (Standard Input) and write output to std…
Gson解析JSON字符串时出现了下面的错误: No-args constructor for class X does not exist. Register an InstanceCreator with Gson for this type to fix this problem. 解决的办法是把对应的Class改成静态类.…