Created
January 4, 2019 14:09
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ABC017: B - choku語
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#include <iostream> | |
#include <cstdio> | |
#include <string> | |
#include <vector> | |
#include <iterator> // std::back_inserter() | |
#include <set> | |
#include <map> | |
#include <algorithm> // std::copy() | |
#include <functional> // std::greater<T>() | |
#include <utility> // std::swap() | |
#include <numeric> // accumulate(ALL(vec), 0) 0 は初期値 | |
#include <cmath> | |
#include <climits> // INT_MIN | |
#include <cctype> // std::isdigit() | |
#include <iomanip> // std::setprecision() | |
using namespace std; | |
#define ALL(obj) (obj).begin(), (obj).end() | |
#define REP(i, n) for (int i=0; i < (int)(n); i++) // 0 ~ n-1 | |
#define REPN(i, n) for (int i=1; i <= (int)(n); i++) // 1 ~ n | |
#define MIN(vec) min_element(ALL((vec))) // イテレータのため、値を取り出すときは * を先頭につける | |
#define MAX(vec) max_element(ALL((vec))) | |
#define IDX(vec, element_iter) distance((vec).begin(), element_iter) | |
#define SUM(vec) accumulate(ALL((vec)), 0) // 0 は初期値 | |
#define COPY(vec1, vec2) copy(ALL(vec1), back_inserter(vec2)) // vec1をvec2にコピーする vec2は空にしておく必要あり | |
typedef long long ll; | |
const int MOD = 1000000007; // 1 000 000 007 | |
int main() { | |
cin.tie(0); | |
ios::sync_with_stdio(false); | |
// input | |
string X; | |
cin >> X; | |
// calculation | |
char choku; | |
REP(i, X.length()) { | |
choku = X[i]; | |
if (choku == 'c' || choku == 'h' || choku == 'o' || choku == 'k' || choku == 'u') { | |
if (choku == 'c') { | |
if (i != X.length()-1) { | |
if (X[i+1] == 'h') { | |
continue; | |
} else { | |
cout << "NO" << "\n"; | |
return 0; | |
} | |
} else { | |
cout << "NO" << "\n"; | |
return 0; | |
} | |
} else if (choku == 'h') { | |
if (i != 0) { | |
if (X[i-1] == 'c') { | |
continue; | |
} else { | |
cout << "NO" << "\n"; | |
return 0; | |
} | |
} else { | |
cout << "NO" << "\n"; | |
return 0; | |
} | |
} else { | |
continue; | |
} | |
} else { | |
cout << "NO" << "\n"; | |
return 0; | |
} | |
} | |
cout << "YES" << "\n"; | |
return 0; | |
} |
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