Main.cc: In function 'int main()': Main.cc:17:2: error: expected ';' before '}' token } ^ Main.cc:6:10: warning: unused variable 'c' [-Wunused-variable] int n,x,c,t; ^ Main.cc:6:12: warning: unused variable 't' [-Wunused-variable] int n,x,c,t; ^ Main.cc:7:9: warning: unused variable 'sum' [-Wunused-variable] double sum=0; ^