运行 ID: 33909

Main.cc: In function ‘int main()’:
Main.cc:5:19: error: ‘n’ was not declared in this scope
     scanf("%d%d",&n,&k);
                   ^
Main.cc:5:19: note: suggested alternative: ‘yn’
     scanf("%d%d",&n,&k);
                   ^
                   yn
Main.cc:5:22: error: ‘k’ was not declared in this scope
     scanf("%d%d",&n,&k);
                      ^