codeforce 651B Beautiful Paintings

题意：后一个比前一个大就加一，问最大次数。

 #include<cstdio>
 #include<cstring>
 #include<algorithm>
 #include<iostream>
 #include<cstdlib>
 #include<string>
 #include<cmath>
 #include<vector>
 using namespace std;
 const int maxn=1e5+;
 const double eps=1e-;
 const double pi=acos(-);
 const int inf = 0x3f3f3f3f;
 #define ll long long
 #define clc(a,b) memset(a,b,sizeof(a))

 int main()
 {
     int n;
     scanf("%d",&n);
     int a[];
     clc(a,);
     for(int i=;i<n;i++)
     {
         int x;
         scanf("%d",&x);
         a[x]++;
     }
     int maxx=-inf;
     for(int i=;i<=;i++)
     {
         if(maxx<a[i])
             maxx=a[i];
     }
     printf("%d\n",n-maxx);
     return ;
 }