64pts WA求调

#include<bits/stdc++.h>
#define int long long
using namespace std;
const int N=1000005;
int t,n,a[N];
void read(int &x){
	int f=1;
	x=0;
	char s=getchar();
	while(s<'0'||s>'9')
	{
		if (s=='-') f=-1;
		s=getchar();
	}
	while(s>='0'&&s<='9')
	{
		x=x*10+s-'0';
		s=getchar();
	}
	x*=f;
}
signed main(){
	read(t);
	while(t--){
		bool pp=0;
		read(n);
		for(int i=1;i<=n;i++){
			read(a[i]);
			if(a[i]==0){
				pp=1;
			}
		}
		int cnt=1;
		for(int i=1;i<n;i++){
			if(a[i]<a[i+1]){
				cnt++;
			}
		}
		if(cnt<=a[n]&&pp==0){
			cout<<"Yes"<<endl;
		}
		else{
			cout<<"No"<<endl;
		}
	}
}