有以下程序: include include main( ) { char a[5][10]={"china","beijing","you","tiananmen","welcome"); int i,j;char t[10]; for(i=0;i<4;i++) for(j=i+1;j<5;j++) if(strcmp(a[i],a[j]>O) {strcpy(t,a[i]);strepy(a[i],a[j]);strcpy(a[j],t)}; puts(a[3]); } 程序运行后的输出结果是( )。