문제
풀이
#include <algorithm>
#include <iostream>
#include <string>
using namespace std;
void solve(void) {
int n; cin >> n;
string s; cin >> s;
int ans = 5;
for (int i=0; i<n-4; i++) {
int cur = 0;
for (int j=0; j<5; j++) {
if (s[i+j] != "eagle"[j]) cur++;
}
ans = min(ans, cur);
}
cout << ans;
}
int main(void) {
ios::sync_with_stdio(false);
cin.tie(nullptr);
solve();
return 0;
}