Run id: 65434

Main.cc: In function 'int a(int, int, int)':
Main.cc:6:11: warning: statement has no effect [-Wunused-value]
     for (l;l<=p;l++)
           ^
Main.cc: In function 'int main()':
Main.cc:13:17: error: too few arguments to function 'int a(int, int, int)'
     cout<