```cpp
#include<iostream>
#include<cstdio>
#include<algorithm>
using namespace std;
int ans,m,n,k,a[11];
void dfs(int x,int y)
{
if(x==n+1)
{
ans++;
/*for(int i=1;i<=n;i++) printf("%d ",a[i]);
printf("\n");*/
return;
}
else if(y<=0) return;
else
{
for(int i=0;y-i>=0;i++)
{
if(x<n&&i>=a[x-1])
{
a[x]=i;
y-=i;
dfs(x+1,y);
y+=i;
}
else if(x==n&&i>=a[x-1])
{
a[x]=y;
//i=y;
dfs(x+1,0);
return;
}
}
}
}
int main()
{
int t;
scanf("%d",&t);
while(t--)
{
ans=0;
scanf("%d%d",&m,&n);
dfs(1,m);
printf("%d\n",ans);
}
return 0;
}
```
by dingxingdi @ 2018-03-07 21:18:38
运行没问题鸭，
by xhQYm @ 2019-12-02 16:30:03
@[xhQYm](/user/270120) 我把你的提交后没CE啊，是你的问题或者评测的问题
by ttltony @ 2023-01-10 22:57:59