結果
問題 | No.1261 数字集め |
ユーザー | magsta |
提出日時 | 2020-10-14 22:49:08 |
言語 | C++14 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 2,283 ms / 8,000 ms |
コード長 | 3,937 bytes |
コンパイル時間 | 1,635 ms |
コンパイル使用メモリ | 91,444 KB |
実行使用メモリ | 145,912 KB |
最終ジャッジ日時 | 2023-09-28 10:11:52 |
合計ジャッジ時間 | 107,637 ms |
ジャッジサーバーID (参考情報) |
judge13 / judge14 |
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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 | 2,283 ms
145,416 KB |
testcase_01 | AC | 427 ms
83,128 KB |
testcase_02 | AC | 1,010 ms
118,536 KB |
testcase_03 | AC | 989 ms
119,404 KB |
testcase_04 | AC | 602 ms
94,832 KB |
testcase_05 | AC | 1,415 ms
140,988 KB |
testcase_06 | AC | 711 ms
100,916 KB |
testcase_07 | AC | 1,041 ms
121,744 KB |
testcase_08 | AC | 551 ms
90,428 KB |
testcase_09 | AC | 753 ms
102,772 KB |
testcase_10 | AC | 38 ms
52,728 KB |
testcase_11 | AC | 1,424 ms
140,056 KB |
testcase_12 | AC | 1,280 ms
130,512 KB |
testcase_13 | AC | 1,126 ms
122,852 KB |
testcase_14 | AC | 92 ms
58,300 KB |
testcase_15 | AC | 488 ms
85,932 KB |
testcase_16 | AC | 1,107 ms
122,128 KB |
testcase_17 | AC | 856 ms
108,356 KB |
testcase_18 | AC | 507 ms
86,800 KB |
testcase_19 | AC | 1,063 ms
119,984 KB |
testcase_20 | AC | 111 ms
60,136 KB |
testcase_21 | AC | 1,530 ms
145,012 KB |
testcase_22 | AC | 1,525 ms
144,964 KB |
testcase_23 | AC | 1,529 ms
144,984 KB |
testcase_24 | AC | 1,517 ms
145,024 KB |
testcase_25 | AC | 1,529 ms
144,948 KB |
testcase_26 | AC | 1,533 ms
145,016 KB |
testcase_27 | AC | 1,525 ms
144,960 KB |
testcase_28 | AC | 1,520 ms
145,008 KB |
testcase_29 | AC | 1,506 ms
145,008 KB |
testcase_30 | AC | 1,498 ms
145,008 KB |
testcase_31 | AC | 1,518 ms
145,084 KB |
testcase_32 | AC | 1,515 ms
144,944 KB |
testcase_33 | AC | 1,517 ms
144,952 KB |
testcase_34 | AC | 1,514 ms
145,020 KB |
testcase_35 | AC | 1,528 ms
145,156 KB |
testcase_36 | AC | 1,533 ms
144,944 KB |
testcase_37 | AC | 1,542 ms
144,980 KB |
testcase_38 | AC | 1,528 ms
145,012 KB |
testcase_39 | AC | 1,546 ms
144,960 KB |
testcase_40 | AC | 1,528 ms
144,968 KB |
testcase_41 | AC | 1,511 ms
144,948 KB |
testcase_42 | AC | 1,545 ms
145,088 KB |
testcase_43 | AC | 1,545 ms
144,948 KB |
testcase_44 | AC | 1,354 ms
134,328 KB |
testcase_45 | AC | 299 ms
69,848 KB |
testcase_46 | AC | 692 ms
96,544 KB |
testcase_47 | AC | 490 ms
82,744 KB |
testcase_48 | AC | 1,117 ms
120,772 KB |
testcase_49 | AC | 1,288 ms
133,400 KB |
testcase_50 | AC | 1,197 ms
124,884 KB |
testcase_51 | AC | 276 ms
71,888 KB |
testcase_52 | AC | 50 ms
52,132 KB |
testcase_53 | AC | 318 ms
72,352 KB |
testcase_54 | AC | 390 ms
75,484 KB |
testcase_55 | AC | 171 ms
62,340 KB |
testcase_56 | AC | 238 ms
65,732 KB |
testcase_57 | AC | 1,044 ms
117,252 KB |
testcase_58 | AC | 292 ms
70,304 KB |
testcase_59 | AC | 1,446 ms
135,896 KB |
testcase_60 | AC | 349 ms
74,600 KB |
testcase_61 | AC | 477 ms
83,928 KB |
testcase_62 | AC | 1,265 ms
127,324 KB |
testcase_63 | AC | 170 ms
63,840 KB |
testcase_64 | AC | 1,563 ms
142,436 KB |
testcase_65 | AC | 937 ms
111,216 KB |
testcase_66 | AC | 753 ms
101,364 KB |
testcase_67 | AC | 1,204 ms
127,404 KB |
testcase_68 | AC | 711 ms
98,704 KB |
testcase_69 | AC | 677 ms
97,580 KB |
testcase_70 | AC | 584 ms
88,240 KB |
testcase_71 | AC | 1,197 ms
123,812 KB |
testcase_72 | AC | 397 ms
77,600 KB |
testcase_73 | AC | 466 ms
81,960 KB |
testcase_74 | AC | 211 ms
65,660 KB |
testcase_75 | AC | 696 ms
95,104 KB |
testcase_76 | AC | 1,058 ms
117,356 KB |
testcase_77 | AC | 1,252 ms
128,328 KB |
testcase_78 | AC | 47 ms
51,028 KB |
testcase_79 | AC | 1,283 ms
131,188 KB |
testcase_80 | AC | 79 ms
52,376 KB |
testcase_81 | AC | 130 ms
59,196 KB |
testcase_82 | AC | 982 ms
113,780 KB |
testcase_83 | AC | 447 ms
79,320 KB |
testcase_84 | AC | 1,623 ms
145,712 KB |
testcase_85 | AC | 1,641 ms
145,776 KB |
testcase_86 | AC | 1,615 ms
145,780 KB |
testcase_87 | AC | 1,612 ms
145,748 KB |
testcase_88 | AC | 1,616 ms
145,912 KB |
testcase_89 | AC | 1,606 ms
145,784 KB |
testcase_90 | AC | 1,608 ms
145,844 KB |
testcase_91 | AC | 1,572 ms
145,776 KB |
testcase_92 | AC | 1,569 ms
145,708 KB |
testcase_93 | AC | 1,592 ms
145,776 KB |
ソースコード
#include <iostream> #include <vector> #include <algorithm> #include <utility> #include <map> #define MOD 1000000007 using namespace std; long long modpow(long long a, long long n) { long long res = 1; while (n > 0) { if (n & 1) res = res * a % MOD; a = a * a % MOD; n >>= 1; } return res; } long long modinv(long long a) { return modpow(a, MOD - 2); } vector<long long> enum_divisors(long long N) { vector<long long> res; for (long long i = 1; i * i <= N; ++i) { if (N % i == 0) { res.push_back(i); // 重複しないならば i の相方である N/i も push if (N/i != i) res.push_back(N/i); } } // 小さい順に並び替える sort(res.begin(), res.end()); return res; } long long p_q_r(long long p, long long q, long long r, long long M){ if (r > p) swap(p, r); if (q > p) swap(p, q); if (r > q) swap(q, r); long long a, b, c, d, e; a = modpow(p, M - 2); b = modpow(q, M - 2); c = modpow(r, M - 2); d = (((a - c) * modinv(p - r) % MOD) + MOD) % MOD; e = (((b - c) * modinv(q - r) % MOD) + MOD) % MOD; d = d * p % MOD; e = e * q % MOD; return (((d - e) * modinv(p - q) % MOD) + MOD) % MOD; } int main() { long long N, M; cin >> N >> M; long long A[N]; for (int i = 1; i < N; i++) cin >> A[i]; map<long long, long long> Map; for (int i = 1; i < N; i++){ Map[A[i]]++; if (Map[A[i]] > 1) cout << "errar" << endl; if (A[i] < 2 || A[i] > 1000000) cout << "errbr" << endl; } const auto &res = enum_divisors(N); long long count = 0; long long ans = 0; for (int i = 0; i < res.size(); i++){ for (int j = 0; j < res.size(); j++){ if (res[i] == 1 || res[j] == 1) continue; if (N == (res[i] * res[j])) continue; if (N % (res[i] * res[j]) == 0){ long long p = A[res[i] - 1] - 1; long long q = A[res[i] * res[j] - 1] - 1; long long r = A[N - 1] - 1; ans = (ans + p_q_r(p, q, r, M)) % MOD; } } } cout << ans << endl; long long Q; cin >> Q; if (Q < 0 || Q > 10000) cout << "errer" << endl; vector<long long> num[N]; bool flag[N]; for (int i = 0; i < N; i++) flag[i] = false; map<long long, long long> Map_[1000001]; for (int i = 0; i < Q; i++){ long long X, Y; cin >> X >> Y; if (X >= Y || X < 1 || Y > N) cout << "errfr" << endl; if (Y % X == 0) cout << "errgr" << endl; Map_[X][Y]++; if (Map_[X][Y] > 1) cout << "errxr" << endl; if (Y == N){ const auto &res_ = enum_divisors(X); for (int i = 0; i < res_.size(); i++){ if (res_[i] == 1 || res_[i] == X) continue; long long p = A[res_[i] - 1] - 1; long long q = A[X - 1] - 1; long long r = A[Y - 1] - 1; ans = (ans + p_q_r(p, q, r, M)) % MOD; } for (int i = 0; i < num[X - 1].size(); i++){ long long p = A[num[X - 1][i] - 1] - 1; long long q = A[X - 1] - 1; long long r = A[Y - 1] - 1; ans = (ans + p_q_r(p, q, r, M)) % MOD; } flag[X - 1] = true; } if (Y != N){ if (N % Y == 0){ long long p = A[X - 1] - 1; long long q = A[Y - 1] - 1; long long r = A[N - 1] - 1; ans = (ans + p_q_r(p, q, r, M)) % MOD; } if (flag[Y - 1] == true){ long long p = A[X - 1] - 1; long long q = A[Y - 1] - 1; long long r = A[N - 1] - 1; ans = (ans + p_q_r(p, q, r, M)) % MOD; } num[Y - 1].push_back(X); } cout << ans << endl; } }