View Compilation Error

0_0_25743668_10049.cpp: In function 'll pow_mod(ll, ll)':
0_0_25743668_10049.cpp:11:5: error: 'LL' was not declared in this scope
     LL s=1;
     ^
0_0_25743668_10049.cpp:14:13: error: 's' was not declared in this scope
             s=(s*a)%mod;
             ^
0_0_25743668_10049.cpp:18:12: error: 's' was not declared in this scope
     return s;
            ^
0_0_25743668_10049.cpp:20:11: error: a function-definition is not allowed here before '{' token
 ll solve(){
           ^
0_0_25743668_10049.cpp:30:11: error: a function-definition is not allowed here before '{' token
 int main(){
           ^
0_0_25743668_10049.cpp:38:1: error: expected '}' at end of input
 }
 ^