Main.cc: In function 'int main()':
Main.cc:6:5: error: expected ',' or ';' before 'for'
for(double i=100;i<=10;i++){
^
Main.cc:6:23: warning: statement has no effect [-Wunused-value]
for(double i=100;i<=10;i++){
^
Main.cc:6:31: error: expected ';' before ')' token
for(double i=100;i<=10;i++){
^