View Compilation Error

0_0_6589737_31943.cpp: In function `void pfact(long long int)':
0_0_6589737_31943.cpp:40: error: expected primary-expression before '}' token
0_0_6589737_31943.cpp:40: error: expected `;' before '}' token
0_0_6589737_31943.cpp: In function `long long int china()':
0_0_6589737_31943.cpp:66: error: `MOD2' undeclared (first use this function)
0_0_6589737_31943.cpp:66: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6589737_31943.cpp:67: error: `ex_gcd' undeclared (first use this function)
0_0_6589737_31943.cpp: In function `int main()':
0_0_6589737_31943.cpp:78: error: `init' undeclared (first use this function)
0_0_6589737_31943.cpp:94: error: `C1' undeclared (first use this function)
0_0_6589737_31943.cpp:99: error: `C2' undeclared (first use this function)
0_0_6589737_31943.cpp:99: error: `MOD2' undeclared (first use this function)