Submission #543503

#	Time	Username	Problem	Language	Result	Execution time	Memory
543503		Sho10	Laugh Analysis (IOI16_laugh)	C++17	100 / 100	5 ms	1492 KiB

laugh

#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;
int dp[3][MAX_N];
int longest_laugh(string s){
ll n=s.size();
s=" "+s;
int 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]));
}
return ans;
}
/*
int32_t main(){
CODE_START;
#ifdef LOCAL
    ifstream cin("input.txt");
#endif
*/

• Subtask 1: 21 / 21
• Subtask 2: 26 / 26
• Subtask 3: 53 / 53