View Code of Problem 4064

#include<stdio.h>
#include<math.h>
#include<string.h>
int max(int a,int b){
	return a>b?a:b;
}
int main(){
	int n;
	int a[150];
	int f[150];
	scanf("%d",&n);
	for(int i=0;i<n;i++){
		scanf("%d",&a[i]);
		f[i]=1;
	}
	for(int i=1;i<n;i++){
		for(int j=0;j<i;j++){
			if(a[j]<=a[i]){
				f[i]=max(f[i],f[j]+1);
			}
		}
	}
	int ans=0;
	for(int i=0;i<n;i++){
		if(f[i]>ans){
			ans=f[i];
		}
	}
	printf("%d",n-ans);
}

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