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为什么我这样错的啊#include <cstdio>
const int maxn=1100;
int a[maxn],sum[maxn],n,p,c,x;
int main()
{
freopen("p2189.in","r",stdin);
freopen("p2189.out","w",stdout);
scanf("%d%d%d",&n,&p,&c);
for (int i=1;i<=n;i++)
{
scanf("%d",&x);
if (x!=p)
a[x+1]++;
else
a[p]++;
}
sum[0]=0;
p++;
a[p]=0;
for (int i=1;i<=p;i++)
sum[i]=sum[i-1]+a[i];
int max=0;
for (int i=1;i<p;i++)
for (int j=i;j<p;j++)
if (sum[j+1]-sum[i-1]<=c && j-i+1>max)
max=j-i+1;
printf("%d\n",max);
return 0;
}
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