运行 ID: 156322

Main.cc: In function ‘int main()’:
Main.cc:13:3: error: expected ‘;’ before ‘for’
   for(i=1;i<=n.size();i++){
   ^~~
Main.cc:13:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(i=1;i<=n.size();i++){
           ~^~~~~~~~~~
Main.cc:13:12: warning: value computed is not used [-Wunused-value]
Main.cc:13:26: error: expected ‘;’ before ‘)’ token
   for(i=1;i<=n.size();i++){
                          ^