結果
| 問題 |
No.2715 Unique Chimatagram
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2024-04-05 22:18:39 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 21 ms / 2,000 ms |
| コード長 | 2,001 bytes |
| コンパイル時間 | 2,685 ms |
| コンパイル使用メモリ | 205,480 KB |
| 最終ジャッジ日時 | 2025-02-20 21:32:19 |
|
ジャッジサーバーID (参考情報) |
judge3 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 40 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define INF (int)1e18
#define f first
#define s second
mt19937_64 RNG(chrono::steady_clock::now().time_since_epoch().count());
void Solve()
{
int n; cin >> n;
vector<string> a(n);
for (auto &x : a){
cin >> x;
sort(x.begin(), x.end());
}
for (int i = 0; i < n; i++){
vector <int> c1(26, 0);
for (auto ch : a[i]) c1[ch - 'a']++;
bool good = true;
vector<bool> poss(26, true);
int count = 0;
for (auto x : a){
count++;
if (x.size() != a[i].size()) continue;
if (count == i + 1) continue;
if (x == a[i]) {
good = false;
break;
}
vector <int> c2(26, 0);
for (auto ch : x) c2[ch - 'a']++;
int diff = 0;
for (int i = 0; i < 26; i++) diff += abs(c2[i] - c1[i]);
if (diff == 2){
for (int i = 0; i < 26; i++) if (c2[i] > c1[i]) poss[i] = false;
}
}
if (!good) continue;
for (int j = 0; j < 26; j++){
if (poss[j]){
a[i] += (char)(j + 'a');
cout << a[i] << "\n";
return;
}
}
}
cout << -1 << "\n";
}
int32_t main()
{
auto begin = std::chrono::high_resolution_clock::now();
ios_base::sync_with_stdio(0);
cin.tie(0);
int t = 1;
// freopen("in", "r", stdin);
// freopen("out", "w", stdout);
// cin >> t;
for(int i = 1; i <= t; i++)
{
//cout << "Case #" << i << ": ";
Solve();
}
auto end = std::chrono::high_resolution_clock::now();
auto elapsed = std::chrono::duration_cast<std::chrono::nanoseconds>(end - begin);
cerr << "Time measured: " << elapsed.count() * 1e-9 << " seconds.\n";
return 0;
}