# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
543501 | Sho10 | Laugh Analysis (IOI16_laugh) | C++17 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h> //Andrei Alexandru a.k.a Sho
using ll=long long;
using ld=long double;
int const INF=1000000005;
ll const LINF=1000000000000000005;
ll const mod=1000000007;
ld const PI=3.14159265359;
ll const MAX_N=3e5+5;
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define endl '\n'
#define CODE_START ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
ll n,dp[3][100005];
string s;
int32_t main(){
CODE_START;
#ifdef LOCAL
ifstream cin("input.txt");
#endif
cin>>s;
ll n=s.size();
s=" "+s;
ll ans=0;
for(ll i=1;i<=n;i++)
{
dp[1][i]=0;
dp[2][i]=0;
if(s[i]=='a'){
dp[1][i]=max(dp[1][i],dp[2][i-1]+1);
}
if(s[i]=='h'){
dp[2][i]=max(dp[2][i],dp[1][i-1]+1);
}
}
for(ll i=1;i<=n;i++)
{
ans=max(ans,max(dp[1][i],dp[2][i]));
}
cout<<ans<<endl;
}