简单$dp$。
如果$a[i]>a[i-1]$,那么$dp[i]=dp[i-1]+1$。否则,$dp[i]=1$。答案为$dp[i]$中的最大值。
#pragma comment(linker, "/STACK:1024000000,1024000000")
#include<cstdio>
#include<cstring>
#include<cmath>
#include<algorithm>
#include<vector>
#include<map>
#include<set>
#include<queue>
#include<stack>
#include<iostream>
using namespace std;
typedef long long LL;
const double pi=acos(-1.0),eps=1e-;
void File()
{
freopen("D:\\in.txt","r",stdin);
freopen("D:\\out.txt","w",stdout);
}
template <class T>
inline void read(T &x)
{
char c = getchar(); x = ;while(!isdigit(c)) c = getchar();
while(isdigit(c)) { x = x * + c - ''; c = getchar(); }
} const int maxn=;
int a[maxn],dp[maxn],n,ans; int main()
{
scanf("%d",&n);
for(int i=;i<=n;i++) scanf("%d",&a[i]);
dp[]=; ans=;
for(int i=;i<=n;i++)
{
if(a[i]>a[i-]) dp[i]=dp[i-]+;
else dp[i]=;
ans=max(ans,dp[i]);
}
printf("%d\n",ans);
return ;
}