运行 ID: 327646

Main.cc: In function ‘int main()’:
Main.cc:11:2: error: expected ‘;’ before ‘for’
  for(int i=1;i<=k-1;i++){
  ^~~
Main.cc:11:14: error: ‘i’ was not declared in this scope
  for(int i=1;i<=k-1;i++){
              ^