結果
問題 | No.2871 Universal Serial Bus |
ユーザー | wingu |
提出日時 | 2024-09-08 00:37:43 |
言語 | C++23 (gcc 12.3.0 + boost 1.83.0) |
結果 |
WA
|
実行時間 | - |
コード長 | 3,244 bytes |
コンパイル時間 | 3,134 ms |
コンパイル使用メモリ | 252,932 KB |
実行使用メモリ | 6,944 KB |
最終ジャッジ日時 | 2024-09-08 00:37:48 |
合計ジャッジ時間 | 4,317 ms |
ジャッジサーバーID (参考情報) |
judge1 / 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 | 2 ms
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,940 KB |
testcase_03 | WA | - |
testcase_04 | AC | 2 ms
6,940 KB |
testcase_05 | AC | 2 ms
6,940 KB |
testcase_06 | AC | 2 ms
6,944 KB |
testcase_07 | AC | 2 ms
6,944 KB |
testcase_08 | WA | - |
testcase_09 | AC | 2 ms
6,944 KB |
testcase_10 | WA | - |
testcase_11 | AC | 2 ms
6,944 KB |
testcase_12 | AC | 2 ms
6,940 KB |
testcase_13 | WA | - |
testcase_14 | AC | 2 ms
6,944 KB |
testcase_15 | AC | 2 ms
6,944 KB |
testcase_16 | AC | 2 ms
6,944 KB |
testcase_17 | AC | 2 ms
6,944 KB |
testcase_18 | AC | 2 ms
6,940 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; #include <atcoder/modint> using namespace atcoder; #ifdef DEFINED_ONLY_IN_LOCAL #include <dump.hpp> #define dump(...) cpp_dump(__VA_ARGS__) #else #undef dump #define dump(...) #endif #define rep1(i, a) for (int i = 0; i < (int)(a); i++) #define rep2(i, a, b) for (int i = (int)(a); i < (int)(b); i++) #define rep3(i, a, b, c) for (int i = (int)(a); i < (int)(b); i += (int)(c)) #define overloadRep(a, b, c, d, e, ...) e #define rep(...) overloadRep(__VA_ARGS__, rep3, rep2, rep1)(__VA_ARGS__) #define all(a) a.begin(), a.end() #define rall(a) a.rbegin(), a.rend() using ll = long long; using ull = unsigned long long; const int inf = 1e9; const ll INF = 1e18; const int dx[4] = {0, 1, 0, -1}; const int dy[4] = {1, 0, -1, 0}; const int ddx[8] = {1, 0, -1, 0, 1, -1, 1, -1}; const int ddy[8] = {0, 1, 0, -1, 1, -1, -1, 1}; struct cincout {cincout() {ios_base::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(15);}} init; template <class T> inline bool chmax(T& a, T b) {if (a < b) {a = b; return true;} return false;} template <class T> inline bool chmin(T& a, T b) {if (a > b) {a = b; return true;} return false;} template <class T1, class T2> istream& operator>>(istream& is, pair<T1, T2>& p) {is >> p.first >> p.second; return is;} template <class T1, class T2> ostream& operator<<(ostream& os, const pair<T1, T2>& p) {os << p.first << " " << p.second << '\n'; return os;} template <class T> istream& operator>>(istream& is, vector<T>& v) {for (T& in : v) {is >> in;} return is;} template <class T> ostream& operator<<(ostream& os, const vector<T>& v) {rep(i, (int)v.size()) {os << v[i] << " \n"[i + 1 == (int)v.size()];} return os;} template <class T> istream& operator>>(istream& is, vector<vector<T>>& vv) {for (vector<T>& v : vv) {is >> v;} return is;} template <class T> ostream& operator<<(ostream& os, vector<vector<T>>& vv) {for (vector<T>& v : vv) {os << v;} return os;} inline bool bit(ll x, int p) {return (x >> p) & 1;} inline bool out(int ni, int nj, int h, int w) {return (ni < 0 or ni >= h or nj < 0 or nj >= w);} inline int pc(ll x) {return __builtin_popcountll(x);} template <class T> inline T max(vector<T> x) {return *max_element(x.begin(), x.end());} template <class T> inline T min(vector<T> x) {return *min_element(x.begin(), x.end());} template <class T> inline T sum(vector<T> x) {return reduce(x.begin(), x.end());} using P = pair<int, int>; using T = tuple<int, int, int>; int main() { int h, w; cin >> h >> w; vector<string> s(h), t(h); cin >> s >> t; int x = 1, y = 1; rep(i, h) rep(j, w) if (s[i][j] == t[i][j]) x = 0; vector<string> ns(h, string(w, '.')); rep(i, h) rep(j, w) ns[i][j] = s[h - i - 1][w - j - 1]; rep(i, h) rep(j, w) if (ns[i][j] == t[i][j]) y = 0; if (y == 0 and x == 0) { cout << -1 << endl; } long double ans = 0, se = 0, two = 1; for (int i = 1; i <= 50; i++) { double cur = (1 - se) * (1 - 1 / two); if (i & 1 and x != 0) { ans += cur * i; se += cur; } else if (i % 2 == 0 and y != 0) { ans += cur * i; se += cur; } two *= 2; } cout << ans << endl; return 0; }