View Compilation Error

0_0_6779597_30524.cpp: In function `LL period(LL)':
0_0_6779597_30524.cpp:76: error: `typeof' undeclared (first use this function)
0_0_6779597_30524.cpp:76: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6779597_30524.cpp:76: error: expected `;' before "iter"
0_0_6779597_30524.cpp:76: error: `iter' undeclared (first use this function)
0_0_6779597_30524.cpp:92: error: expected `;' before "kiter"
0_0_6779597_30524.cpp:92: error: `kiter' undeclared (first use this function)