View Compilation Error

0_0_12043692_21120.cpp:10: error: expected constructor, destructor, or type conversion before '<' token
0_0_12043692_21120.cpp:10: error: expected `,' or `;' before '<' token
0_0_12043692_21120.cpp: In function `int main()':
0_0_12043692_21120.cpp:17: error: `M' undeclared (first use this function)
0_0_12043692_21120.cpp:17: error: (Each undeclared identifier is reported only once for each function it appears in.)