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why Runtime error#include<stdio.h>
long a[1000002],b[1000002],c[2][1000002];
int f(int sum)
{
int i;
for(i=0;i<sum;i++)
{
if(c[1][i]==0) return 0;
}
return 1;
}
int main()
{
long i,j,k,n,sum,sign,max;
scanf("%ld",&n);
max=0;
for(i=1;i<=n;i++)
{
scanf("%ld",&a[i]);
b[a[i]]+=1;
if(a[i]>max)
max=a[i];
}
sum=0;
for(i=0,j=0;i<=max;i++)
{
if(b[i])
{
sum+=1;
c[0][j++]=i;
}
}
sign=n;
for(i=1;i<=sum;i++)
{
for(j=0;j<sum;j++)
{
if(c[0][j]==a[i])
{
c[1][j]+=1;
break;
}
}
}
if(sum==n||f(sum))
{
printf("%ld\n",sum);
}
else
{
for(k=1;i<=n;i++)
{
for(j=0;j<sum;j++)
if(c[0][j]==a[i])
{
c[1][j]+=1;
break;
}
if(f(sum))
{
while(1)
{
for(j=0;j<sum;j++)
if(c[0][j]==a[k])
{
c[1][j]-=1;
k+=1;
break;
}
if(f(sum)==0)
{
k-=1;
for(j=0;j<sum;j++)
{
if(c[0][j]==a[k])
{
c[1][j]+=1;
break;
}
}
break;
}
}
if(sign>i-k+1) sign=i-k+1;
}
}
printf("%ld\n",sign);
}
return 1;
}
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