View Compilation Error

0_0_10826383_5921.cpp:2: error: `_int64' does not name a type
0_0_10826383_5921.cpp: In function `int main()':
0_0_10826383_5921.cpp:6: error: `M1' undeclared (first use this function)
0_0_10826383_5921.cpp:6: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_10826383_5921.cpp:6: error: `M2' undeclared (first use this function)
0_0_10826383_5921.cpp:14: error: `R1' undeclared (first use this function)
0_0_10826383_5921.cpp:15: error: `R2' undeclared (first use this function)
0_0_10826383_5921.cpp:16: error: `R3' undeclared (first use this function)