View Compilation Error

0_0_12794273_27215.cpp: In function `int main()':
0_0_12794273_27215.cpp:106: error: `fenshu' undeclared (first use this function)
0_0_12794273_27215.cpp:106: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_12794273_27215.cpp:106: error: expected `;' before "tmp"
0_0_12794273_27215.cpp:107: error: `tmp' undeclared (first use this function)