0_0_23893310_17415.cpp 0_0_23893310_17415.cpp(100) : error C3861: “__builtin_scanf”: 找不到标识符 0_0_23893310_17415.cpp(105) : error C3861: “__builtin_scanf”: 找不到标识符 0_0_23893310_17415.cpp(138) : error C3861: “__builtin_printf”: 找不到标识符