結果
問題 | No.1209 XOR Into You |
ユーザー | yosupot |
提出日時 | 2020-08-30 13:45:58 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 7,347 bytes |
コンパイル時間 | 1,678 ms |
コンパイル使用メモリ | 134,272 KB |
実行使用メモリ | 79,360 KB |
最終ジャッジ日時 | 2024-11-15 06:58:31 |
合計ジャッジ時間 | 11,755 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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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 | 132 ms
79,232 KB |
testcase_05 | WA | - |
testcase_06 | AC | 135 ms
79,360 KB |
testcase_07 | AC | 279 ms
66,304 KB |
testcase_08 | AC | 246 ms
60,032 KB |
testcase_09 | AC | 245 ms
60,160 KB |
testcase_10 | AC | 185 ms
49,792 KB |
testcase_11 | AC | 243 ms
59,392 KB |
testcase_12 | AC | 219 ms
55,424 KB |
testcase_13 | AC | 261 ms
62,848 KB |
testcase_14 | AC | 210 ms
53,888 KB |
testcase_15 | AC | 223 ms
56,832 KB |
testcase_16 | AC | 221 ms
55,808 KB |
testcase_17 | AC | 211 ms
53,504 KB |
testcase_18 | AC | 325 ms
75,520 KB |
testcase_19 | AC | 221 ms
55,808 KB |
testcase_20 | AC | 255 ms
62,976 KB |
testcase_21 | AC | 183 ms
48,640 KB |
testcase_22 | AC | 168 ms
78,976 KB |
testcase_23 | AC | 171 ms
78,848 KB |
testcase_24 | AC | 171 ms
78,848 KB |
testcase_25 | AC | 321 ms
78,848 KB |
testcase_26 | AC | 328 ms
78,848 KB |
testcase_27 | AC | 333 ms
78,976 KB |
testcase_28 | AC | 335 ms
78,720 KB |
testcase_29 | AC | 331 ms
78,848 KB |
testcase_30 | AC | 331 ms
78,848 KB |
testcase_31 | AC | 52 ms
7,680 KB |
testcase_32 | AC | 52 ms
7,936 KB |
testcase_33 | AC | 52 ms
7,808 KB |
testcase_34 | AC | 52 ms
7,936 KB |
testcase_35 | AC | 52 ms
7,808 KB |
testcase_36 | AC | 52 ms
7,808 KB |
testcase_37 | AC | 14 ms
7,424 KB |
testcase_38 | AC | 268 ms
65,792 KB |
testcase_39 | AC | 228 ms
58,880 KB |
testcase_40 | AC | 170 ms
78,848 KB |
ソースコード
//#pragma GCC optimize("Ofast") //#pragma GCC target("avx") //#undef LOCAL #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <complex> #include <cstdio> #include <cstring> #include <iostream> #include <map> #include <numeric> #include <queue> #include <set> #include <string> #include <unordered_map> #include <unordered_set> #include <vector> using namespace std; using uint = unsigned int; using ll = long long; using ull = unsigned long long; constexpr ll TEN(int n) { return (n == 0) ? 1 : 10 * TEN(n - 1); } template <class T> using V = vector<T>; template <class T> using VV = V<V<T>>; #include <unistd.h> struct Scanner { int fd = -1; char line[(1 << 15) + 1]; size_t st = 0, ed = 0; void reread() { memmove(line, line + st, ed - st); ed -= st; st = 0; ed += ::read(fd, line + ed, (1 << 15) - ed); line[ed] = '\0'; } bool succ() { while (true) { if (st == ed) { reread(); if (st == ed) return false; } while (st != ed && isspace(line[st])) st++; if (st != ed) break; } if (ed - st <= 50) { bool sep = false; for (size_t i = st; i < ed; i++) { if (isspace(line[i])) { sep = true; break; } } if (!sep) reread(); } return true; } template <class T, enable_if_t<is_same<T, string>::value, int> = 0> bool read_single(T& ref) { if (!succ()) return false; while (true) { size_t sz = 0; while (st + sz < ed && !isspace(line[st + sz])) sz++; ref.append(line + st, sz); st += sz; if (!sz || st != ed) break; reread(); } return true; } template <class T, enable_if_t<is_integral<T>::value>* = nullptr> bool read_single(T& ref) { if (!succ()) return false; bool neg = false; if (line[st] == '-') { neg = true; st++; } ref = T(0); while (isdigit(line[st])) { ref = 10 * ref + (line[st++] & 0xf); } if (neg) ref = -ref; return true; } template <class T> bool read_single(V<T>& ref) { for (auto& d : ref) { if (!read_single(d)) return false; } return true; } void read() {} template <class H, class... T> void read(H& h, T&... t) { bool f = read_single(h); assert(f); read(t...); } int read_unsafe() { return 0; } template <class H, class... T> int read_unsafe(H& h, T&... t) { bool f = read_single(h); if (!f) return 0; return 1 + read_unsafe(t...); } Scanner(FILE* fp) : fd(fileno(fp)) {} }; struct Printer { public: template <bool F = false> void write() {} template <bool F = false, class H, class... T> void write(const H& h, const T&... t) { if (F) write_single(' '); write_single(h); write<true>(t...); } template <class... T> void writeln(const T&... t) { write(t...); write_single('\n'); } Printer(FILE* _fp) : fp(_fp) {} ~Printer() { flush(); } private: static constexpr size_t SIZE = 1 << 15; FILE* fp; char line[SIZE], small[50]; size_t pos = 0; void flush() { fwrite(line, 1, pos, fp); pos = 0; } void write_single(const char& val) { if (pos == SIZE) flush(); line[pos++] = val; } template <class T, enable_if_t<is_integral<T>::value>* = nullptr> void write_single(T val) { if (pos > (1 << 15) - 50) flush(); if (val == 0) { write_single('0'); return; } if (val < 0) { write_single('-'); val = -val; // todo min } size_t len = 0; while (val) { small[len++] = char(0x30 | (val % 10)); val /= 10; } for (size_t i = 0; i < len; i++) { line[pos + i] = small[len - 1 - i]; } pos += len; } void write_single(__int128 val) { if (pos > (1 << 15) - 50) flush(); if (val == 0) { write_single('0'); return; } if (val < 0) { write_single('-'); val = -val; // todo min } size_t len = 0; while (val) { small[len++] = char(0x30 | (val % 10)); val /= 10; } for (size_t i = 0; i < len; i++) { line[pos + i] = small[len - 1 - i]; } pos += len; } void write_single(const string& s) { for (char c : s) write_single(c); } void write_single(const char* s) { size_t len = strlen(s); for (size_t i = 0; i < len; i++) write_single(s[i]); } template <class T> void write_single(const V<T>& val) { auto n = val.size(); for (size_t i = 0; i < n; i++) { if (i) write_single(' '); write_single(val[i]); } } }; template <class T> struct Fenwick { int n; V<T> seg; Fenwick(int _n = 0) : n(_n), seg(n) {} /// i番目の要素にxを追加する void add(int i, T x) { i++; while (i <= n) { seg[i - 1] += x; i += i & -i; } } /// [0, i)のsum T sum(int i) { assert(0 <= i && i <= n); T s = 0; while (i > 0) { s += seg[i - 1]; i -= i & -i; } return s; } /// [a, b)のsum T sum(int a, int b) { assert(0 <= a && a <= b && b <= n); return sum(b) - sum(a); } /// sum[0, idx) >= xなる最小のidx(sum[0, n) < x なら n+1) int sum_lower_bound(T x) { if (x <= 0) return 0; int res = 0, len = 1; while (2 * len <= n) len *= 2; for (; len >= 1; len /= 2) { if (res + len <= n && seg[res + len - 1] < x) { res += len; x -= seg[res - 1]; } } return res + 1; } }; Scanner sc = Scanner(stdin); Printer pr = Printer(stdout); void no() { pr.writeln(-1); exit(0); } int main() { int n; sc.read(n); V<ll> a(n), b(n); for (int i = 0; i < n; i++) { sc.read(a[i]); } for (int i = 0; i < n; i++) { sc.read(b[i]); } V<ll> a2(n - 1), b2(n - 1); for (int i = 0; i < n - 1; i++) { a2[i] = a[i] ^ a[i + 1]; b2[i] = b[i] ^ b[i + 1]; } map<ll, deque<int>> bmp; for (int i = 0; i < n - 1; i++) { bmp[b2[i]].push_back(i); } ll ans = 0; Fenwick<ll> fw(n - 1); for (int i = 0; i < n - 1; i++) { if (!bmp.count(a2[i])) { no(); } if (bmp[a2[i]].empty()) { no(); } int idx = bmp[a2[i]].front(); bmp[a2[i]].pop_front(); ; ans += fw.sum(idx, n - 1); fw.add(idx, 1); } pr.writeln(ans); /* sort(a2.begin(), a2.end()); sort(b2.begin(), b2.end()); if (a2 != b2) { pr.writeln(-1); return 0; } pr.writeln("OK");*/ return 0; }