0_0_5301327_3751.cpp 0_0_5301327_3751.cpp(47) : error C2065: "s" : ??????? 0_0_5301327_3751.cpp(49) : error C3861: "s": ???????????,??????? 0_0_5301327_3751.cpp(50) : error C3861: "s": ???????????,???????