Submission #723162

#	Time	Username	Problem	Language	Result	Execution time	Memory
723162		trucmai	Magnus (COCI18_magnus)	C++17	50 / 50	2 ms	636 KiB

magnus

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define all(a) (a).begin(), (a).end()
#define vi vector<ll>
#define pi pair<ll,ll>
#define pii pair<ll,pair<ll,ll>>
#define fi first
#define se second
#define gcd __gcd
#define mset(a,v) memset(a, v, sizeof(a))
#define endl '\n'
#define spc " "

const int MN1 = 1e6 + 5,MN2 = 1e4 + 5,LOG = 27;
const ll MOD = 1e9 + 7,INF = 1e9;
string s,honi = "HONI";
void solve(){
  cin>>s;
  ll j = 0,ans = 0;
  for(ll i = 0;i < s.size();++i){
    if(s[i] == honi[j]){
      if(j == 3) ++ans;
      j = (j+1)%4;
    }
  }
  cout<<ans;
}

signed main(){
  cin.tie(0) -> sync_with_stdio(0);
  //freopen("i.inp","r",stdin);
  //freopen("o.out","w",stdout);
  ll t = 1; //cin>>t;
  while(t--) solve();
  cerr << endl << "Time elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << " s.\n";
}

Compilation message (stderr)

magnus.cpp: In function 'void solve()':
magnus.cpp:22:18: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |   for(ll i = 0;i < s.size();++i){
      |                ~~^~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 5 / 5
• Subtask 5: 5 / 5
• Subtask 6: 5 / 5
• Subtask 7: 5 / 5
• Subtask 8: 5 / 5
• Subtask 9: 5 / 5
• Subtask 10: 5 / 5