Submission #51584

#	Time	Username	Problem	Language	Result	Execution time	Memory
51584		MatheusLealV	Laugh Analysis (IOI16_laugh)	C++17	100 / 100	7 ms	2584 KiB

laugh

#include "laugh.h"
#include <bits/stdc++.h>

using namespace std;

int longest_laugh(string s)
{
	int ans = 0, prev = -1;

	char p;

    for(int i = 0; i < s.size(); i++)
    {
    	if(s[i] != 'h' and s[i] != 'a') continue;

    	int st = i;

    	p = (s[i] == 'h' ? 'a' : 'h');

    	i ++;

    	while(i < s.size() and s[i] == p)
    	{
    		i ++;

    		if(p == 'h') p = 'a';

    		else p = 'h';
    	}

    	ans = max(ans, i - st);

    	i --;
    }

    return ans;
}

Compilation message (stderr)

laugh.cpp: In function 'int longest_laugh(std::__cxx11::string)':
laugh.cpp:12:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0; i < s.size(); i++)
                    ~~^~~~~~~~~~
laugh.cpp:22:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
      while(i < s.size() and s[i] == p)
            ~~^~~~~~~~~~
laugh.cpp:8:15: warning: unused variable 'prev' [-Wunused-variable]
  int ans = 0, prev = -1;
               ^~~~

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