Main.cc: In function 'int main()':
Main.cc:24:22: warning: for increment expression has no effect [-Wunused-value]
for(double i=1;;i<=1000;i++){
^
Main.cc:24:28: error: expected ')' before ';' token
for(double i=1;;i<=1000;i++){
^
Main.cc:24:29: error: 'i' was not declared in this scope
for(double i=1;;i<=1000;i++){
^
Main.cc:24:32: error: expected ';' before ')' token
for(double i=1;;i<=1000;i++){
^