View Compilation Error

276617_0_16549.cpp: In function `int main()':
276617_0_16549.cpp:18: error: `m' undeclared (first use this function)
276617_0_16549.cpp:18: error: (Each undeclared identifier is reported only once for each function it appears in.)
276617_0_16549.cpp:33: error: `t' undeclared (first use this function)