Main.cc: In function ‘int main()’: Main.cc:5:9: error: expected primary-expression before ‘%’ token printf(%d,%d,a,b); ^ Main.cc:5:10: error: ‘d’ was not declared in this scope printf(%d,%d,a,b); ^ Main.cc:5:12: error: expected primary-expression before ‘%’ token printf(%d,%d,a,b); ^ Main.cc:7:14: error: lvalue required as left operand of assignment if(a==12&&b=36) cout<<"687,688"; ^~