题目1375：陈博的完美主义（25分）

#include
int main(){
    int n,i;
    while(scanf("%d",&n)!=EOF){
        int a[100000]={0},b[100001]={0};
        for(i=0;i0&&a[i]<=n) b[a[i]]=1;
        int num=0;
        for(i=1;i<=n;i++)
            if(b[i]==0) num++;
        printf("%d\n",num);
    }
    return 0;
}
/**************************************************************
    Problem: 1375
    User: cust123
    Language: C++
    Result: Accepted
    Time:130 ms
    Memory:1732 kb
****************************************************************/