View Compilation Error

0_0_15169997_12535.cpp: In function 'long long unsigned int gcd(long long unsigned int, long long unsigned int)':
0_0_15169997_12535.cpp:9:5: error: 'LL' was not declared in this scope
     LL t;
     ^
0_0_15169997_12535.cpp:11:9: error: 't' was not declared in this scope
         t=a;
         ^
0_0_15169997_12535.cpp:15:11: error: 't' was not declared in this scope
     while(t=a%b)
           ^
0_0_15169997_12535.cpp: At global scope:
0_0_15169997_12535.cpp:22:1: error: 'LL' does not name a type
 LL fun(ULL n,ULL m)
 ^
0_0_15169997_12535.cpp: In function 'int main()':
0_0_15169997_12535.cpp:51:32: error: 'fun' was not declared in this scope
         printf("%lld\n",fun(N,M));
                                ^