Run id: 144212

Main.cc: In function 'int main()':
Main.cc:10:18: warning: left operand of comma operator has no effect [-Wunused-value]
     for(int i=1;i<=n*3,i++){
                  ^
Main.cc:10:27: error: expected ';' before ')' token
     for(int i=1;i<=n*3,i++){
                           ^