結果
問題 | No.2712 Play more! |
ユーザー | idat_50me |
提出日時 | 2024-03-31 15:26:26 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
(最新)
AC
(最初)
|
実行時間 | - |
コード長 | 8,163 bytes |
コンパイル時間 | 2,969 ms |
コンパイル使用メモリ | 264,644 KB |
実行使用メモリ | 5,248 KB |
最終ジャッジ日時 | 2024-09-30 21:13:35 |
合計ジャッジ時間 | 4,015 ms |
ジャッジサーバーID (参考情報) |
judge4 / judge2 |
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テストケース
テストケース表示入力 | 結果 | 実行時間 実行使用メモリ |
---|---|---|
testcase_00 | AC | 2 ms
5,248 KB |
testcase_01 | AC | 2 ms
5,248 KB |
testcase_02 | AC | 2 ms
5,248 KB |
testcase_03 | AC | 2 ms
5,248 KB |
testcase_04 | AC | 2 ms
5,248 KB |
testcase_05 | AC | 1 ms
5,248 KB |
testcase_06 | AC | 1 ms
5,248 KB |
testcase_07 | AC | 28 ms
5,248 KB |
testcase_08 | AC | 3 ms
5,248 KB |
testcase_09 | AC | 53 ms
5,248 KB |
testcase_10 | AC | 1 ms
5,248 KB |
testcase_11 | AC | 2 ms
5,248 KB |
testcase_12 | AC | 3 ms
5,248 KB |
testcase_13 | AC | 3 ms
5,248 KB |
testcase_14 | AC | 3 ms
5,248 KB |
testcase_15 | AC | 4 ms
5,248 KB |
testcase_16 | AC | 2 ms
5,248 KB |
testcase_17 | AC | 2 ms
5,248 KB |
testcase_18 | AC | 2 ms
5,248 KB |
testcase_19 | AC | 2 ms
5,248 KB |
testcase_20 | AC | 2 ms
5,248 KB |
testcase_21 | AC | 3 ms
5,248 KB |
testcase_22 | AC | 3 ms
5,248 KB |
testcase_23 | AC | 2 ms
5,248 KB |
testcase_24 | AC | 2 ms
5,248 KB |
testcase_25 | AC | 3 ms
5,248 KB |
testcase_26 | AC | 2 ms
5,248 KB |
testcase_27 | AC | 2 ms
5,248 KB |
testcase_28 | AC | 11 ms
5,248 KB |
testcase_29 | AC | 2 ms
5,248 KB |
testcase_30 | AC | 3 ms
5,248 KB |
testcase_31 | AC | 8 ms
5,248 KB |
testcase_32 | AC | 8 ms
5,248 KB |
testcase_33 | AC | 2 ms
5,248 KB |
testcase_34 | WA | - |
testcase_35 | AC | 2 ms
5,248 KB |
ソースコード
// -------------------- main code begins at #263 -------------------- // #include <bits/stdc++.h> using namespace std; template<typename T, typename U> using vp = vector<pair<T, U>>; template<typename T> using pque = priority_queue<T>; template<typename T> using lpque = priority_queue<T, vector<T>, greater<T>>; template<typename T, typename U> using umap = unordered_map<T, U>; template<typename T> using uset = unordered_set<T>; #define pque_op(T, op) (priority_queue<T, vector<T>, decltype(op)>(op)) #define set_op(T, op, ...) (set<T, decltype(op)>(__VA_OPT__(__VA_ARGS__, ) op)) using lint = long long; using pint = pair<int, int>; using plint = pair<lint, lint>; using pil = pair<int, lint>; using pli = pair<lint, int>; using vint = vector<int>; using vlint = vector<lint>; using vpint = vector<pint>; using vplint = vector<plint>; using vpil = vector<pil>; using vpli = vector<pli>; using vbl = vector<bool>; using qint = queue<int>; using qlint = queue<lint>; constexpr double PI = 3.141592653589793; constexpr int INTINF = (1 << 30) - 1; constexpr lint LLINF = (1LL << 62) - 1; constexpr int MPRIME = 1000000007; constexpr int MPRIME9 = 998244353; constexpr lint MMPRIME = (1LL << 61) - 1; constexpr char newl = '\n'; #define len length() #define empb(...) emplace_back(__VA_ARGS__) #define fi first #define se second #define get_rep(_1, _2, _3, func, ...) func #define rep(i, ...) get_rep(__VA_ARGS__, rep3, rep2, rep1)(i, __VA_ARGS__) #define rep1(i, N) for(int i = 0; i < (N); i++) #define rep2(i, s, t) for(int i = (s); i < (t); i++) #define rep3(i, s, t, a) for(int i = (s); i < (t); i += (a)) #define get_rrep(_1, _2, _3, func, ...) func #define rrep(i, ...) get_rrep(__VA_ARGS__, rrep3, rrep2, rrep1)(i, __VA_ARGS__) #define rrep1(i, N) for(int i = (N); i >= 0; i--) #define rrep2(i, s, t) for(int i = (s); i >= (t); i--) #define rrep3(i, s, t, a) for(int i = (s); i >= (t); i -= (a)) #define forbit(bit, k) for(int bit = 0; bit < (1 << (k)); bit++) #define forsubset(bit, orig_bit) \ for(int bit = (orig_bit), _cnt = 0; (_cnt += (bit == (orig_bit))) < 2; --bit &= (orig_bit)) #define bitpop(bit, k) (((bit) >> (k)) & 1) #define all(name) name.begin(), name.end() #define rall(name) name.rbegin(), name.rend() #define gsort(vbeg, vend) sort(vbeg, vend, greater<>()) #define dbg(x) cerr << #x << ": " << x << '\n'; inline int popcnt(lint bit) { return __builtin_popcountll(bit); } template<class T> inline bool chmin(T &a, T b) { if(a > b) { a = b; return true; } return false; } template<class T> inline bool chmax(T &a, T b) { if(a < b) { a = b; return true; } return false; } template<class T> inline void init(vector<T> &v) { for(auto &a : v) cin >> a; } template<class T, class U> inline void init(vector<pair<T, U>> &v) { for(auto &a : v) cin >> a.first >> a.second; } template<class T> inline void init(vector<T> &v, int n) { v.resize(n); for(auto &a : v) cin >> a; } template<class T1, class T2> inline void init(vector<T1> &v1, vector<T2> &v2, int n) { v1.resize(n); v2.resize(n); for(int i = 0; i < n; i++) cin >> v1[i] >> v2[i]; } template<class T1, class T2, class T3> inline void init(vector<T1> &v1, vector<T2> &v2, vector<T3> &v3, int n) { v1.resize(n); v2.resize(n); v3.resize(n); for(int i = 0; i < n; i++) cin >> v1[i] >> v2[i] >> v3[i]; } template<class T, class U> inline void init(vector<pair<T, U>> &v, int n) { v.resize(n); for(auto &a : v) cin >> a.first >> a.second; } template<class T> inline void init(vector<T> &v, int n, const T &c) { v.resize(n); for(auto &a : v) { cin >> a; a += c; } } template<class T1, class T2> inline void init(vector<T1> &v1, vector<T2> &v2, int n, const T1 &c1, const T2 &c2) { v1.resize(n); v2.resize(n); for(int i = 0; i < n; i++) { cin >> v1[i] >> v2[i]; v1[i] += c1; v2[i] += c2; } } template<class T1, class T2, class T3> inline void init(vector<T1> &v1, vector<T2> &v2, vector<T3> &v3, int n, const T1 &c1, const T2 &c2, const T3 &c3) { v1.resize(n); v2.resize(n); v3.resize(n); for(int i = 0; i < n; i++) { cin >> v1[i] >> v2[i] >> v3[i]; v1[i] += c1; v2[i] += c2; v3[i] += c3; } } template<class T, class U> inline void init(vector<pair<T, U>> &v, int n, T &c1, U &c2) { v.resize(n); for(auto &a : v) { cin >> a.first >> a.second; a.first += c1; a.second += c2; } } inline void out() { cout << newl; } template<class T> inline void out(T a) { cout << a << '\n'; } template<class T, class... U> inline void out(T a, U... lst) { cout << a << " "; out(forward<U>(lst)...); } template<class T> inline void out(vector<T> &v) { for(int i = 0; i < v.size(); i++) cout << v[i] << (i == v.size() - 1 ? '\n' : ' '); cout << flush; } template<class N> void resiz(N n) {} template<class N, class T, class... U> void resiz(N n, T &&hd, U &&...tl) { hd.resize(n); resiz(n, forward<U>(tl)...); } bool Yes(bool b = true) { cout << (b ? "Yes" : "No") << newl; return b; } bool YES(bool b = true) { cout << (b ? "YES" : "NO") << newl; return b; } bool No(bool b = true) { if(!b) return false; cout << "No" << newl; return true; } bool NO(bool b = true) { if(!b) return false; cout << "NO" << newl; return true; } template<typename T> struct v2d { private: vector<vector<T>> m; public: v2d() {} v2d(int h, int w) : m(h, vector<T>(w)) {} v2d(int h, int w, const T &init) : m(h, vector<T>(w, init)) {} v2d(const initializer_list<initializer_list<T>> m_init) : m(m_init.begin(), m_init.end()) {} void assign(int h, int w) { m.assign(h, vector<T>(w)); } void assign(int h, int w, const T init) { m.assign(h, vector<T>(w, init)); } inline int size() const { return m.size(); } void in() { for(vector<T> &v : m) for(T &val : v) cin >> val; } void in(int h, int w) { m.resize(h, vector<T>(w)); in(); } void out() { int h = m.size(); for(vector<T> &v : m) { int sz = v.size(); for(int j = 0; j < sz; j++) { cout << v[j] << (j == sz - 1 ? '\n' : ' '); } } cout << flush; } inline vector<T> &operator[](int idx) { assert(0 <= idx && idx < int(m.size())); return m[idx]; } bool rangeout(int x, int y) { if(x < 0 || y < 0 || x >= size() || y >= m[x].size()) return true; return false; } }; long long binpow(long long a, long long ex, long long p = MMPRIME) { long long res = 1; while(ex > 0) { if(ex & 1) (res *= a) %= p; ex >>= 1; (a *= a) %= p; } return res; } inline void init_e(v2d<int> &E, int n, int m, int c) { E.assign(n, 0); int u, v; for(int i = 0; i < m; i++) { cin >> u >> v; u += c; v += c; E[u].emplace_back(v); E[v].emplace_back(u); } } // -------------------- main code -------------------- // int N, M; vlint A; vint X, Y; vlint C; v2d<int> E; v2d<lint> W; vlint score; vint rch; int inf_flag = 0; void input() { cin >> N >> M; init(A, N); init(X, Y, C, M, -1, -1, 0ll); } lint dfs1(int x) { if(x == N - 1) { score[x] = A[N - 1]; return score[x]; } if(rch[x]) return score[x]; rch[x] = 1; lint tscore = -LLINF; for(int i = 0; i < E[x].size(); i++) { int nx = E[x][i]; lint nw = W[x][i]; lint psc = dfs1(nx); if(psc == -LLINF) continue; chmax(score[x], psc - nw + A[x]); } return score[x]; } void dfs2(int x, int orig, lint sc = 0, int flag = 0) { if(inf_flag) return; if(x == orig) { if(flag) { if(sc > 0) { inf_flag = 1; return; } } else { flag = 1; } } if(rch[x]) return; rch[x] = 1; for(int i = 0; i < E[x].size(); i++) { int nx = E[x][i]; lint nw = W[x][i]; dfs2(nx, orig, sc + A[x] + nw, flag); } } void solve() { E.assign(N, 0); W.assign(N, 0); for(int i = 0; i < M; i++) { E[X[i]].empb(Y[i]); W[X[i]].empb(C[i]); } score.assign(N, -LLINF); rch.assign(N, 0); dfs1(0); for(int i = 0; i < N; i++) { for(int j = 0; j < N; j++) rch[j] = 0; if(score[i] != -LLINF) { dfs2(i, i); if(inf_flag) { out("inf"); return; } } } out(score[0]); } int main() { cin.tie(nullptr); ios_base::sync_with_stdio(false); cout << fixed << setprecision(15); int t = 1; // cin >> t; while(t--) { input(); solve(); } }