30 lines
458 B
C++
30 lines
458 B
C++
#include<cstdio>
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#include<cstring>
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using namespace std;
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bool isc_(int *front,int *last,int n)
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{
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int *i;
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i=front;
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for(;i<last;i++)
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if(*i==n) return 1;
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return 0;
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}
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int main()
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{
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int m,n,diary[1200],front=0,last=0,ans=0,x;
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memset(diary,-1,1200);
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scanf("%d%d",&m,&n);
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for(int i=0;i<n;i++)
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{
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scanf("%d",&x);
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if(!isc_(diary+front,diary+last,x))
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{
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diary[last++]=x;
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if(last-front>m) front++;
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ans++;
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}
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}
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printf("%d\n",ans);
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return 0;
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}
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