@[fanchenice](/user/1297537)
~~~cpp
int i = N - 1 ;
~~~
这句移出循环即可，因为在循环的缘故，所以每次循环$i$的值都会变成$N-1$
by sss12 @ 2024-03-22 12:38:09
@[fanchenice](/user/1297537) 求关qwq
by sss12 @ 2024-03-22 12:38:33
@[sss12](/user/296748) 我老是犯这种错误红红火火
by fanchenice @ 2024-03-22 14:47:48
@[sss12](/user/296748) 已关注！
by fanchenice @ 2024-03-22 14:48:30