結果
| 問題 |
No.996 Phnom Penh
|
| コンテスト | |
| ユーザー |
fuppy_kyopro
|
| 提出日時 | 2020-02-21 22:37:03 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 32 ms / 2,000 ms |
| コード長 | 4,578 bytes |
| コンパイル時間 | 1,903 ms |
| コンパイル使用メモリ | 176,112 KB |
| 実行使用メモリ | 5,248 KB |
| 最終ジャッジ日時 | 2024-10-08 22:00:30 |
| 合計ジャッジ時間 | 3,134 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 25 |
コンパイルメッセージ
main.cpp: In function 'll solve1(std::string, ll)':
main.cpp:132:1: warning: control reaches end of non-void function [-Wreturn-type]
132 | }
| ^
main.cpp: In function 'll solve2(std::string)':
main.cpp:189:1: warning: control reaches end of non-void function [-Wreturn-type]
189 | }
| ^
main.cpp: In function 'll solve3(std::string)':
main.cpp:208:1: warning: control reaches end of non-void function [-Wreturn-type]
208 | }
| ^
ソースコード
#include <bits/stdc++.h>
//#include <unistd.h>
//#include <iostream>
using namespace std;
#define DEBUG(x) cerr<<#x<<": "<<x<<endl;
#define DEBUG_VEC(v) cerr<<#v<<":";for(int i=0;i<v.size();i++) cerr<<" "<<v[i]; cerr<<endl;
#define DEBUG_MAT(v) cerr<<#v<<endl;for(int i=0;i<v.size();i++){for(int j=0;j<v[i].size();j++) {cerr<<v[i][j]<<" ";}cerr<<endl;}
typedef long long ll;
#define int ll
#define vi vector<int>
#define vl vector<ll>
#define vii vector< vector<int> >
#define vll vector< vector<ll> >
#define vs vector<string>
#define pii pair<int,int>
#define pis pair<int,string>
#define psi pair<string,int>
#define pll pair<ll,ll>
template<class S, class T> pair<S, T> operator+(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first + t.first, s.second + t.second); }
template<class S, class T> pair<S, T> operator-(const pair<S, T> &s, const pair<S, T> &t) { return pair<S, T>(s.first - t.first, s.second - t.second); }
template<class S, class T> ostream& operator<<(ostream& os, pair<S, T> p) { os << "(" << p.first << ", " << p.second << ")"; return os; }
#define X first
#define Y second
#define rep(i,n) for(int i=0;i<(n);i++)
#define rep1(i,n) for(int i=1;i<=(n);i++)
#define rrep(i,n) for(int i=(n)-1;i>=0;i--)
#define rrep1(i,n) for(int i=(n);i>0;i--)
#define REP(i,a,b) for(int i=a;i<b;i++)
#define in(x, a, b) (a <= x && x < b)
#define all(c) c.begin(),c.end()
template<class T> bool chmax(T &a, const T &b) { if (a<b) { a = b; return 1; } return 0; }
template<class T> bool chmin(T &a, const T &b) { if (a>b) { a = b; return 1; } return 0; }
#define UNIQUE(v) v.erase(std::unique(v.begin(), v.end()), v.end());
const ll inf = 1000000001;
const ll INF = (ll)1e18 + 1;
const long double pi = 3.1415926535897932384626433832795028841971L;
#define Sp(p) cout<<setprecision(25)<< fixed<<p<<endl;
//int dx[4] = {1, 0, -1, 0}, dy[4] = {0, 1, 0, -1};
//int dx2[8] = { 1,1,0,-1,-1,-1,0,1 }, dy2[8] = { 0,1,1,1,0,-1,-1,-1 };
vi dx = {1, 0, -1, 0}, dy = {0, 1, 0, -1};
vi dx2 = { 1,1,0,-1,-1,-1,0,1 }, dy2 = { 0,1,1,1,0,-1,-1,-1 };
#define fio() cin.tie(0); ios::sync_with_stdio(false);
const ll MOD = 1000000007;
//const ll MOD = 998244353;
// #define mp make_pair
//#define endl '\n'
int solve1(string s, int rep_num) {
string t;
int i = 0;
int ans = 0;
rep (_, rep_num) {
i = 0;
while (i < s.size()) {
if (i + 5 <= s.size() and s.substr(i, 5) == "phnom") {
ans++;
t += "penh";
i += 5;
}
else {
t += s[i];
i++;
}
}
if (s == t) {
return ans;
}
s.clear();
rep (i, t.size()) {
if (t[i] == 'h') continue;
if (t[i] == 'e') s += 'h';
else s += t[i];
}
if (s != t) {
ans++;
}
t.clear();
}
t.clear();
DEBUG(s);
DEBUG(ans);
int ma = 0;
int use = 0;
i = 0;
while (i < s.size()) {
if (i + 5 <= s.size() and s.substr(i, 5) == "phnom") {
int cnt = 1;
int ni = i + 5;
while (ni + 2 <= s.size()) {
if (s.substr(ni, 2) == "om") {
cnt++;
ni += 2;
}
else {
break;
}
}
chmax(ma, cnt);
use += cnt;
t += "phn";
i = ni;
}
else {
t += s[i];
i++;
}
}
ans += ma + use;
DEBUG(t);
rep (_, 5) {
s.clear();
rep (i, t.size()) {
if (t[i] == 'h') continue;
if (t[i] == 'e') s += 'h';
else s += t[i];
}
if (s == t) {
DEBUG(ans);
return ans;
}
ans++;
swap(s, t);
}
}
int solve2(string s) {
string t;
rep (i, s.size()) {
if (s[i] == 'h') continue;
if (s[i] == 'e') t += 'h';
else t += s[i];
}
if (s == t) {
return 0;
}
int ans = 1;
swap(s, t);
t.clear();
int i = 0;
int ma = 0;
int use = 0;
while (i < s.size()) {
if (i + 5 <= s.size() and s.substr(i, 5) == "phnom") {
int cnt = 1;
int ni = i + 5;
while (ni + 2 <= s.size()) {
if (s.substr(ni, 2) == "om") {
cnt++;
ni += 2;
}
else {
break;
}
}
chmax(ma, cnt);
use += cnt;
t += "phn";
i = ni;
}
else {
t += s[i];
i++;
}
}
ans += ma + use;
rep (_, 5) {
s.clear();
rep (i, t.size()) {
if (t[i] == 'h') continue;
if (t[i] == 'e') s += 'h';
else s += t[i];
}
if (s == t) {
return ans;
}
ans++;
swap(s, t);
}
}
int solve3(string s) {
string t;
rep (_, 5) {
rep (i, s.size()) {
if (s[i] == 'h') continue;
if (s[i] == 'e') t += 'h';
else t += s[i];
}
if (s == t) {
return _;
}
swap(s, t);
t.clear();
}
}
signed main() {
fio();
string s;
cin >> s;
int ans0 = solve1(s, 1);
int ans1 = solve1(s, 2);
int ans2 = solve2(s);
int ans3 = solve3(s);
cout << max({ans0, ans1, ans2, ans3}) << endl;
}
fuppy_kyopro