結果
問題 | No.329 全射 |
ユーザー | pekempey |
提出日時 | 2015-12-22 17:17:54 |
言語 | C++11 (gcc 11.4.0) |
結果 |
AC
|
実行時間 | 99 ms / 2,000 ms |
コード長 | 1,992 bytes |
コンパイル時間 | 1,479 ms |
コンパイル使用メモリ | 162,204 KB |
実行使用メモリ | 27,776 KB |
最終ジャッジ日時 | 2024-09-18 18:37:23 |
合計ジャッジ時間 | 3,619 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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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 | 12 ms
27,276 KB |
testcase_01 | AC | 13 ms
27,124 KB |
testcase_02 | AC | 13 ms
27,392 KB |
testcase_03 | AC | 13 ms
27,392 KB |
testcase_04 | AC | 13 ms
27,136 KB |
testcase_05 | AC | 11 ms
27,292 KB |
testcase_06 | AC | 11 ms
27,264 KB |
testcase_07 | AC | 12 ms
27,264 KB |
testcase_08 | AC | 11 ms
27,392 KB |
testcase_09 | AC | 11 ms
27,344 KB |
testcase_10 | AC | 11 ms
27,372 KB |
testcase_11 | AC | 11 ms
27,272 KB |
testcase_12 | AC | 11 ms
27,216 KB |
testcase_13 | AC | 89 ms
27,552 KB |
testcase_14 | AC | 68 ms
27,360 KB |
testcase_15 | AC | 65 ms
27,340 KB |
testcase_16 | AC | 74 ms
27,776 KB |
testcase_17 | AC | 79 ms
27,496 KB |
testcase_18 | AC | 84 ms
27,520 KB |
testcase_19 | AC | 97 ms
27,576 KB |
testcase_20 | AC | 87 ms
27,516 KB |
testcase_21 | AC | 86 ms
27,520 KB |
testcase_22 | AC | 99 ms
27,520 KB |
testcase_23 | AC | 20 ms
27,256 KB |
testcase_24 | AC | 19 ms
27,472 KB |
testcase_25 | AC | 23 ms
27,588 KB |
testcase_26 | AC | 19 ms
27,520 KB |
testcase_27 | AC | 15 ms
27,264 KB |
testcase_28 | AC | 13 ms
27,392 KB |
testcase_29 | AC | 13 ms
27,392 KB |
testcase_30 | AC | 13 ms
27,136 KB |
testcase_31 | AC | 11 ms
27,264 KB |
testcase_32 | AC | 14 ms
27,324 KB |
testcase_33 | AC | 19 ms
27,432 KB |
testcase_34 | AC | 19 ms
27,460 KB |
testcase_35 | AC | 21 ms
27,392 KB |
testcase_36 | AC | 19 ms
27,520 KB |
testcase_37 | AC | 18 ms
27,520 KB |
testcase_38 | AC | 18 ms
27,360 KB |
testcase_39 | AC | 18 ms
27,520 KB |
testcase_40 | AC | 21 ms
27,516 KB |
testcase_41 | AC | 17 ms
27,504 KB |
testcase_42 | AC | 21 ms
27,520 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #define GET_MACRO(a, b, c, NAME, ...) NAME #define rep(...) GET_MACRO(__VA_ARGS__, rep3, rep2)(__VA_ARGS__) #define rep2(i, a) rep3 (i, 0, a) #define rep3(i, a, b) for (int i = (a); i < (b); i++) #define repr(...) GET_MACRO(__VA_ARGS__, repr3, repr2)(__VA_ARGS__) #define repr2(i, a) repr3 (i, 0, a) #define repr3(i, a, b) for (int i = (b) - 1; i >= (a); i--) #define FILL(a, b, T) fill_n((T *)a, sizeof(a) / sizeof(T), b) template<class T1, class T2> inline bool chmin(T1 &a, T2 b) { return b < a && (a = b, true); } template<class T1, class T2> inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); } using ll = long long; const ll mod = 1e9 + 7; ll C[1010][1010], F[1010], Z[1010][1010], P[1010][1010]; ll modpow(ll a, ll b, ll mod) { if (b == 0) return 1; return modpow(a * a % mod, b / 2, mod) * (b & 1 ? a : 1) % mod; } ll count(ll n, ll k) { if (Z[n][k] != -1) return Z[n][k]; ll res = 0; rep (i, 1, k + 1) { ll v = C[k][i] * P[i][n] % mod; if ((k + i) % 2 == 1) v *= -1; (res += v) %= mod; } res %= mod; res += mod; res %= mod; return Z[n][k] = res; } vector<int> g[222]; const int inf = 1e9; int w[222]; int dist[222][222]; int main() { memset(Z, -1, sizeof(Z)); F[0] = 1; rep (i, 1, 1010) F[i] = F[i - 1] * i % mod; rep (i, 1010) { P[i][0] = 1; rep (j, 1, 1010) { P[i][j] = i * P[i][j - 1] % mod; } } C[0][0] = 1; rep (i, 1, 1010) { C[i][0] = 1; rep (j, 1, 1010) { C[i][j] = (C[i - 1][j] + C[i - 1][j - 1]) % mod; } } int n, m; cin >> n >> m; rep (i, n) cin >> w[i]; rep (i, m) { int u, v; cin >> u >> v; u--; v--; g[u].push_back(v); } rep (i, n) dist[i][i] = w[i]; rep (i, n) for (int next : g[i]) { dist[i][next] = w[next]; } rep (k, n) rep (i, n) rep (j, n) { chmax(dist[i][j], min(dist[i][k], dist[k][j])); } ll ans = 0; rep (i, n) rep (j, n) if (dist[i][j] >= w[j]) { (ans += count(w[i], w[j])) %= mod; } cout << ans << endl; return 0; }