A. Kefa and First Steps
Kefa decided to make some money doing business on the Internet for exactly n days. He knows that on the i-th day (1 ≤ i ≤ n) he makes ai money. Kefa loves progress, that's why he wants to know the length of the maximum non-decreasing subsegment in sequence ai. Let us remind you that the subsegment of the sequence is its continuous fragment. A subsegment of numbers is called non-decreasing if all numbers in it follow in the non-decreasing order.
Help Kefa cope with this task!
The first line contains integer n (1 ≤ n ≤ 105).
The second line contains n integers a1, a2, ..., an (1 ≤ ai ≤ 109).
Print a single integer — the length of the maximum non-decreasing subsegment of sequence a.
6
2 2 1 3 4 1
3
3
2 2 9
3
In the first test the maximum non-decreasing subsegment is the numbers from the third to the fifth one.
In the second test the maximum non-decreasing subsegment is the numbers from the first to the third one.
1 #include<cstdio> 2 #include<cstring> 3 #include<algorithm> 4 using namespace std; 5 int main() 6 { 7 int a[100005]; 8 int n; 9 scanf("%d",&n); 10 for(int i=0;i<n;i++) 11 scanf("%d",&a[i]); 12 int ans=0,maxn=1; 13 for(int i=1;i<n;i++) 14 if(a[i]>=a[i-1])maxn++; 15 else ans=max(maxn,ans),maxn=1; 16 ans=max(maxn,ans); 17 printf("%d ",ans); 18 return 0; 19 }