Main.cc: In function 'int main()':
Main.cc:7:6: error: expected ';' before 'for'
for(int i=1;i<=n;i++){
^
Main.cc:7:18: error: 'i' was not declared in this scope
for(int i=1;i<=n;i++){
^
Main.cc:7:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
for(int i=1;i<=n;i++){
^