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45 lines (43 loc) · 956 Bytes
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A_Chat_room.cpp
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45 lines (43 loc) · 956 Bytes
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#include <iostream>
using namespace std;
typedef long long ll;
string s;
string ans = "";
bool h, e, l1, l2, o;
int main() {
cin >> s;
int n = s.size();
for (int i = 0; i < n; i++) {
if(s[i] == 'h' || s[i] == 'e' || s[i] == 'l' || s[i] == 'o') {
ans += s[i];
}
}
for(int i = 0 ; i < ans.size() ; i++) {
if(!h) {
if(ans[i] == 'h'
46BE
;) {
h = true;
}
}else if(!e) {
if(ans[i] == 'e') {
e = true;
}
}else if(!l1) {
if(ans[i] == 'l') {
l1 = true;
}
}else if(!l2) {
if(ans[i] == 'l') {
l2 = true;
}
}else if(!o) {
if(ans[i] == 'o') {
o = true;
}
}
}
if(h && e && l1 && l2 && o) {
cout << "YES" << endl;
}else {
cout << "NO" << endl;
}
}