a,ans 数组开太大了？
by Night_fall @ 2023-05-20 10:45:38
@[Nightfall__Minecraft](/user/688674)
3e6+5 也RE
by pyq2021 @ 2023-05-20 10:59:07
ai<=1e9
by c21162wqb @ 2023-05-20 11:44:28
@[c21162wqb](/user/614509) 开1e9会爆
by pyq2021 @ 2023-05-22 16:21:27
@[pyq2021](/user/657485)
我用的快速读入，你可以按照我的试一下
```cpp
#include<iostream>
#include<stack>
using namespace std;
stack<int> s;
int n,a[3000001],ans[3000001];
inline int read()
{
int x=0,f=1;
char ch=getchar();
while(!isdigit(ch))
{
if(ch=='-') f=-1;
ch=getchar();
}
while(isdigit(ch))
{
x=x*10+ch-'0';
ch=getchar();
}
return x*f;
}
int main()
{
cin>>n;
for(int i=1;i<=n;i++) a[i]=read();
for(int i=n;i>=1;i--)
{
while(!s.empty()&&a[i]>=a[s.top()]) s.pop();
if(s.empty()) ans[i]=0;
else ans[i]=s.top();
s.push(i);
}
for(int i=1;i<=n;i++) cout<<ans[i]<<' ';
return 0;
}
```
我们应该中间写的差不多，求关QWQ
by Li_wc @ 2023-08-16 14:48:46