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SP4033 PHONELST - Phone List

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Baoshuo Ren 2021-09-15 18:22:36 +08:00 committed by Baoshuo Ren
parent 18c4e40ebf
commit 5e8c50f621
Signed by: baoshuo
GPG Key ID: 70F90A673FB1AB68
1 changed files with 27 additions and 0 deletions
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27
Luogu/problem/SP4033/SP4033.cpp Normal file
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#include <bits/stdc++.h>
using namespace std;
int t, n;
bool flag;
string s[10005];
int main() {
cin >> t;
while (t--) {
flag = false;
cin >> n;
for (int i = 0; i < n; i++) {
cin >> s[i];
}
sort(s, s + n);
for (int i = 0; i < n - 1; i++) {
if (s[i + 1].substr(0, s[i].size()) == s[i]) {
flag = true;
break;
}
}
cout << (flag ? "NO" : "YES") << endl;
}
return 0;
}