/in/foo.cc: In function 'int main()':
/in/foo.cc:13:18: warning: format '%d' expects a matching 'int*' argument [-Wformat=]
  scanf("%d %d",&n) 
                  ^
/in/foo.cc:14:2: error: expected ';' before 'for'
  for(int i=1; i<=m; i++) {
  ^~~
/in/foo.cc:14:15: error: 'i' was not declared in this scope
  for(int i=1; i<=m; i++) {
               ^