結果
問題 | No.517 壊れたアクセサリー |
ユーザー |
|
提出日時 | 2019-11-01 00:14:26 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 2 ms / 2,000 ms |
コード長 | 4,990 bytes |
コンパイル時間 | 2,581 ms |
コンパイル使用メモリ | 219,652 KB |
最終ジャッジ日時 | 2025-01-08 02:13:17 |
ジャッジサーバーID (参考情報) |
judge5 / judge5 |
(要ログイン)
ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 15 |
コンパイルメッセージ
main.cpp: In function ‘int main(int, char**)’: main.cpp:153:20: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 153 | freopen("input.txt", "r", stdin); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:155:20: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’ declared with attribute ‘warn_unused_result’ [-Wunused-result] 155 | freopen("output.txt", "w", stdout); | ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
ソースコード
#include <bits/stdc++.h> #define endl '\n' #define int long long #define lint long long #define pii pair<int,int> #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) #define ALL(v) (v).begin(),(v).end() #define SZ(v) ((int)v.size()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) #define MINF(a) memset(a,0x3f,sizeof(a)) #define POW(n) (1LL<<(n)) #define POPCNT(n) (__builtin_popcount(n)) #define IN(i,a,b) (a <= i && i <= b) using namespace std; template <typename T> inline bool CHMIN(T& a,T b) { if(a>b) { a=b; return 1; } return 0; } template <typename T> inline bool CHMAX(T& a,T b) { if(a<b) { a=b; return 1; } return 0; } template <typename T> inline void SORT(T& a) { sort(ALL(a)); } template <typename T> inline void REV(T& a) { reverse(ALL(a)); } template <typename T> inline void UNI(T& a) { sort(ALL(a)); a.erase(unique(ALL(a)),a.end()); } template <typename T> inline T LB(vector<T>& v, T a) { return *lower_bound(ALL(v),a); } template <typename T> inline int LBP(vector<T>& v, T a) { return lower_bound(ALL(v),a) - v.begin(); } template <typename T> inline T UB(vector<T>& v, T a) { return *upper_bound(ALL(v),a); } template <typename T> inline int UBP(vector<T>& v, T a) { return upper_bound(ALL(v),a) - v.begin(); } template <typename T1, typename T2> ostream& operator<< (ostream& os, const pair<T1,T2>& p) { os << p.first << " " << p.second; return os; } template <typename T1, typename T2> istream& operator>> (istream& is, pair<T1,T2>& p) { is >> p.first >> p.second; return is; } template <typename T> ostream& operator<< (ostream& os, const vector<T>& v) { REP(i,v.size()) { if (i) os << " "; os << v[i]; } return os; } template <typename T> istream& operator>> (istream& is, vector<T>& v) { for(T& in : v) is >> in; return is; } template <typename T = int> vector<T> make_v(size_t a) { return vector<T>(a); } template <typename T, typename... Ts> auto make_v(size_t a, Ts... ts) { return vector<decltype(make_v<T>(ts...))>(a,make_v<T>(ts...)); } template <typename T, typename V> typename enable_if<is_class<T>::value == 0>::type fill_v(T &t, const V &v) { t = v; } template <typename T, typename V> typename enable_if<is_class<T>::value != 0>::type fill_v(T &t, const V &v) { for(auto &e : t) fill_v(e,v); } const lint MOD = 1000000007; const lint INF = 0x3f3f3f3f3f3f3f3f; const double EPS = 1e-10; template <typename T> struct Compress { map<T, int> zip; vector<int> unzip; Compress() {} Compress(vector<T> v) { sort(v.begin(), v.end()); v.erase(unique(v.begin(), v.end()), v.end()); for (int i = 0; i < v.size(); ++i) { zip[v[i]] = i; unzip.push_back(v[i]); } } int size() { return unzip.size(); } }; struct TopologicalSort { vector<vector<int>> g; vector<int> indeg, used, _tsort, _front; TopologicalSort() {} TopologicalSort(int n) : g(n), used(n, 0), indeg(n, 0) {} void add_edge(int s, int t) { g[s].push_back(t); indeg[t]++; } void bfs(int s) { queue<int> que; que.emplace(s); used[s] = 1; while (!que.empty()) { int v = que.front(); que.pop(); _tsort.emplace_back(v); for (int u : g[v]) { indeg[u]--; if (!indeg[u] && !used[u]) { used[u] = 1; que.emplace(u); } } } } vector<int> tsort() { int n = g.size(); for (int i = 0; i < n; ++i) { if (!indeg[i] && !used[i]) { _front.push_back(i); bfs(i); } } return _tsort; } vector<int> front() { return _front; } }; int N, M; string A[26], B[26]; void _main() { vector<char> cs; cin >> N; REP(i, N) { cin >> A[i]; REP(j, SZ(A[i])) { cs.push_back(A[i][j]); } } cin >> M; REP(i, M) { cin >> B[i]; REP(j, SZ(B[i])) { cs.push_back(B[i][j]); } } Compress c(cs); TopologicalSort ts(c.size()); REP(i, N) { REP(j, SZ(A[i]) - 1) { ts.add_edge(c.zip[A[i][j]], c.zip[A[i][j + 1]]); } } REP(i, M) { REP(j, SZ(B[i]) - 1) { ts.add_edge(c.zip[B[i][j]], c.zip[B[i][j + 1]]); } } vector<int> v = ts.tsort(); if (ts.front().size() != 1) { cout << -1 << endl; return; } string ans; for (int el : v) { ans += c.unzip[el]; } cout << ans << endl; } signed main(signed argc, char **argv) { if (argc > 1) { if (strchr(argv[1], 'i')) freopen("input.txt", "r", stdin); if (strchr(argv[1], 'o')) freopen("output.txt", "w", stdout); } cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(10); _main(); return 0; }