Main.cc: In function 'int main()': Main.cc:7:5: error: expected ';' before 'if' if(a==0){ ^ Main.cc:13:5: error: 'else' without a previous 'if' else if(a==1){ ^ Main.cc:22:9: error: expected '}' before 'else' else ^ Main.cc: At global scope: Main.cc:26:5: error: expected unqualified-id before 'return' return 0; ^ Main.cc:27:1: error: expected declaration before '}' token } ^