Run id: 131773

Main.cc: In function 'int main()':
Main.cc:8:8: error: 'p1' was not declared in this scope
   cin>>p1>>P2>>P3;
        ^
Main.cc:10:5: error: 'p2' was not declared in this scope
   a[p2]++;
     ^
Main.cc:11:5: error: 'p3' was not declared in this scope
   a[p3]++;
     ^
Main.cc:15:16: warning: left operand of comma operator has no effect [-Wunused-value]
   for(int i=1;i<=n,i++){
                ^
Main.cc:15:23: error: expected ';' before ')' token
   for(int i=1;i<=n,i++){
                       ^
Main.cc:5:8: warning: unused variable 'P1' [-Wunused-variable]
  int n,P1,P2,P3;
        ^