View Compilation Error

0_0_33595955_7391.cpp:3:9: error: 'n' was not declared in this scope
 int sol(n,m){
         ^
0_0_33595955_7391.cpp:3:11: error: 'm' was not declared in this scope
 int sol(n,m){
           ^
0_0_33595955_7391.cpp:3:12: error: expression list treated as compound expression in initializer [-fpermissive]
 int sol(n,m){
            ^
0_0_33595955_7391.cpp:3:13: error: expected ',' or ';' before '{' token
 int sol(n,m){
             ^