結果
問題 | No.1577 織姫と彦星2 |
ユーザー | yuruhiya |
提出日時 | 2021-06-29 22:51:36 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 168 ms / 2,000 ms |
コード長 | 2,756 bytes |
コンパイル時間 | 1,194 ms |
コンパイル使用メモリ | 82,452 KB |
実行使用メモリ | 7,496 KB |
最終ジャッジ日時 | 2024-06-26 01:31:32 |
合計ジャッジ時間 | 4,815 ms |
ジャッジサーバーID (参考情報) |
judge2 / judge1 |
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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
6,816 KB |
testcase_01 | AC | 3 ms
6,940 KB |
testcase_02 | AC | 3 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,940 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 6 ms
6,944 KB |
testcase_06 | AC | 4 ms
6,940 KB |
testcase_07 | AC | 21 ms
6,984 KB |
testcase_08 | AC | 29 ms
6,940 KB |
testcase_09 | AC | 126 ms
7,496 KB |
testcase_10 | AC | 14 ms
6,944 KB |
testcase_11 | AC | 5 ms
6,944 KB |
testcase_12 | AC | 38 ms
6,940 KB |
testcase_13 | AC | 8 ms
6,940 KB |
testcase_14 | AC | 55 ms
6,940 KB |
testcase_15 | AC | 24 ms
6,940 KB |
testcase_16 | AC | 78 ms
6,940 KB |
testcase_17 | AC | 43 ms
6,944 KB |
testcase_18 | AC | 2 ms
6,940 KB |
testcase_19 | AC | 82 ms
6,944 KB |
testcase_20 | AC | 73 ms
6,940 KB |
testcase_21 | AC | 101 ms
6,944 KB |
testcase_22 | AC | 78 ms
6,944 KB |
testcase_23 | AC | 29 ms
6,940 KB |
testcase_24 | AC | 80 ms
7,244 KB |
testcase_25 | AC | 14 ms
6,948 KB |
testcase_26 | AC | 30 ms
6,944 KB |
testcase_27 | AC | 24 ms
6,940 KB |
testcase_28 | AC | 58 ms
6,940 KB |
testcase_29 | AC | 20 ms
6,940 KB |
testcase_30 | AC | 34 ms
6,944 KB |
testcase_31 | AC | 78 ms
6,940 KB |
testcase_32 | AC | 3 ms
6,944 KB |
testcase_33 | AC | 3 ms
6,944 KB |
testcase_34 | AC | 23 ms
6,944 KB |
testcase_35 | AC | 76 ms
6,940 KB |
testcase_36 | AC | 82 ms
6,944 KB |
testcase_37 | AC | 168 ms
7,244 KB |
testcase_38 | AC | 68 ms
6,944 KB |
testcase_39 | AC | 28 ms
6,944 KB |
testcase_40 | AC | 28 ms
6,940 KB |
testcase_41 | AC | 36 ms
7,244 KB |
testcase_42 | AC | 20 ms
6,944 KB |
testcase_43 | AC | 22 ms
6,940 KB |
testcase_44 | AC | 4 ms
6,940 KB |
testcase_45 | AC | 13 ms
6,944 KB |
testcase_46 | AC | 9 ms
6,944 KB |
testcase_47 | AC | 22 ms
7,240 KB |
testcase_48 | AC | 13 ms
6,940 KB |
testcase_49 | AC | 28 ms
6,940 KB |
testcase_50 | AC | 12 ms
6,944 KB |
testcase_51 | AC | 4 ms
6,940 KB |
testcase_52 | AC | 87 ms
7,496 KB |
testcase_53 | AC | 84 ms
7,240 KB |
testcase_54 | AC | 22 ms
6,944 KB |
testcase_55 | AC | 70 ms
7,244 KB |
testcase_56 | AC | 26 ms
6,940 KB |
testcase_57 | AC | 8 ms
6,940 KB |
ソースコード
#pragma GCC optimize("O3") #pragma GCC target("avx2") #pragma GCC optimize("unroll-loops") //#pragma GCC optimize ("Ofast") #include <cstdio> #include <vector> #include <unordered_map> #include <map> #include <queue> using namespace std; #define rep(i, n) for (int i = 0; i < (n); ++i) #define FOR(i, m, n) for (int i = (m); i < (n); ++i) #define rrep(i, n) for (int i = (n)-1; i >= 0; --i) #define rfor(i, m, n) for (int i = (m); i >= (n); --i) using ll = long long; #ifdef _WIN32 #define getchar_unlocked _getchar_nolock #define putchar_unlocked _putchar_nolock #define fwrite_unlocked _fwrite_nolock #define fread_unlocked _fread_nolock #endif #if __has_include(<library/dump.hpp>) #include <library/dump.hpp> #else #define dump(...) ((void)0) #endif // #define USE_FREAD #ifdef USE_FREAD struct Input { static constexpr size_t MAX_SIZE = 4400019; char buf[MAX_SIZE]; size_t i, end; Input() { i = 0; end = fread_unlocked(buf, 1, MAX_SIZE, stdin); } inline int gc() { if (i < end) { return buf[i++]; } else { return EOF; } } } in; #define gc in.gc #else #define gc getchar_unlocked #endif // USE_FREAD // #define USE_FWRITE #ifdef USE_FWRITE struct Output { static constexpr size_t MAX_SIZE = 4000009; char buf[MAX_SIZE]; size_t i = 0; void pc(int c) { buf[i++] = c; } ~Output() { fwrite_unlocked(buf, 1, i, stdout); } } out; #define pc out.pc #else #define pc putchar_unlocked #endif // USE_FWRITE inline void inui(int& v) noexcept { v = 0; for (char c = gc(); '0' <= c && c <= '9'; c = gc()) v = v * 10 + (c - '0'); } inline void inul(ll& v) noexcept { v = 0; for (char c = gc(); '0' <= c && c <= '9'; c = gc()) v = v * 10 + (c - '0'); } inline void puti(int v) noexcept { if (v < 0) pc('-'), v = -v; char b[10]; int n = 0; while (v) b[n++] = '0' + v % 10, v /= 10; if (!n) b[n++] = '0'; while (n--) pc(b[n]); } inline void putui(int v) noexcept { char b[10]; int n = 0; while (v) b[n++] = '0' + v % 10, v /= 10; if (!n) b[n++] = '0'; while (n--) pc(b[n]); } // ---------------------------------------------------------------- // int n, s, e, stone[500003], dist[500003]; int main() { inui(n), inui(s), inui(e); rep(i, n) inui(stone[i]); stone[n] = s; stone[n + 1] = e; map<int, int> hash; rep(i, n) hash[stone[i]] = i; hash[s] = n; hash[e] = n + 1; queue<int> que; que.push(n); dist[n] = 1; while (!que.empty()) { int i = que.front(); que.pop(); int d = dist[i]; if (i == n + 1) { putui(d - 2), pc('\n'); return 0; } for (int bit = 1, _ = 30; _--; bit <<= 1) { if (auto it = hash.find(stone[i] ^ bit); it != hash.end()) { int j = it->second; if (dist[j] == 0) { dist[j] = d + 1; que.push(j); } } } } pc('-'), pc('1'), pc('\n'); }