Translate the sentences into Chinese: If you expect something to turn out bad, it probably will. Pessimism is seldom disappointed. But the same principle also works in reverse.
【单选题】有以下程序 有以下程序 #include void fun( int a, int b, int c ) { a=b; b=c; c=a; } main() { int a=10 , b=20, c=30; fun( a, b, c ); printf("%d,%d,%d\n",c,b,a); } 程序运行后的输出结果是( )