#include <iostream>#include <cstdio>using namespace std;int f[10001];int main(){ int i; f[0]=1; for( i=1;i<10001;i++ ) f[i]=f[i-1]+9*(i-1)+1; while( scanf("%d",&i)!=EOF ) printf("%dn",f[i]); return 0;}
#include <iostream>#include <cstdio>using namespace std;int f[10001];int main(){ int i; f[0]=1; for( i=1;i<10001;i++ ) f[i]=f[i-1]+9*(i-1)+1; while( scanf("%d",&i)!=EOF ) printf("%dn",f[i]); return 0;}名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
