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0_0_28251841_20085.cpp
0_0_28251841_20085.cpp(25) : error C3861: “pow”:  找不到标识符
0_0_28251841_20085.cpp(28) : error C3861: “pow”:  找不到标识符
0_0_28251841_20085.cpp(69) : error C2065: “EOF”: 未声明的标识符
0_0_28251841_20085.cpp(69) : error C3861: “scanf”:  找不到标识符
0_0_28251841_20085.cpp(69) : fatal error C1903: 无法从以前的错误中恢复；正在停止编译