View Compilation Error

0_0_21483013_8462.cpp: In function 'bool check(long long int, long long int, long long int, long long int)':
0_0_21483013_8462.cpp:70:32: error: expected '}' before ';' token
         ret=mult_mod(ret,ret,n);
                                ^
0_0_21483013_8462.cpp: At global scope:
0_0_21483013_8462.cpp:74:5: error: expected unqualified-id before 'if'
     if(ret!=1) return true;
     ^
0_0_21483013_8462.cpp:75:5: error: expected unqualified-id before 'return'
     return false;
     ^
0_0_21483013_8462.cpp:76:1: error: expected declaration before '}' token
 }
 ^