結果
問題 | No.2018 X-Y-X |
ユーザー | first_vil |
提出日時 | 2022-07-22 23:27:57 |
言語 | C++17 (gcc 12.3.0 + boost 1.83.0) |
結果 |
AC
|
実行時間 | 10 ms / 2,000 ms |
コード長 | 5,315 bytes |
コンパイル時間 | 2,201 ms |
コンパイル使用メモリ | 212,176 KB |
実行使用メモリ | 7,592 KB |
最終ジャッジ日時 | 2024-07-04 08:19:29 |
合計ジャッジ時間 | 3,974 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
6,812 KB |
testcase_01 | AC | 2 ms
6,940 KB |
testcase_02 | AC | 2 ms
6,944 KB |
testcase_03 | AC | 2 ms
6,944 KB |
testcase_04 | AC | 2 ms
6,944 KB |
testcase_05 | AC | 2 ms
6,944 KB |
testcase_06 | AC | 7 ms
6,944 KB |
testcase_07 | AC | 8 ms
6,944 KB |
testcase_08 | AC | 7 ms
6,940 KB |
testcase_09 | AC | 8 ms
6,940 KB |
testcase_10 | AC | 6 ms
6,940 KB |
testcase_11 | AC | 6 ms
6,944 KB |
testcase_12 | AC | 7 ms
6,944 KB |
testcase_13 | AC | 7 ms
6,940 KB |
testcase_14 | AC | 7 ms
6,940 KB |
testcase_15 | AC | 8 ms
6,940 KB |
testcase_16 | AC | 5 ms
6,944 KB |
testcase_17 | AC | 7 ms
6,940 KB |
testcase_18 | AC | 5 ms
6,944 KB |
testcase_19 | AC | 6 ms
6,940 KB |
testcase_20 | AC | 9 ms
6,940 KB |
testcase_21 | AC | 6 ms
6,940 KB |
testcase_22 | AC | 6 ms
6,944 KB |
testcase_23 | AC | 2 ms
6,944 KB |
testcase_24 | AC | 10 ms
7,592 KB |
testcase_25 | AC | 9 ms
6,944 KB |
testcase_26 | AC | 8 ms
7,364 KB |
testcase_27 | AC | 4 ms
6,944 KB |
testcase_28 | AC | 2 ms
6,944 KB |
testcase_29 | AC | 4 ms
6,940 KB |
testcase_30 | AC | 2 ms
6,944 KB |
testcase_31 | AC | 6 ms
6,940 KB |
testcase_32 | AC | 7 ms
6,944 KB |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; using ld = long double; template<class T> using V = vector<T>; using VI = V<int>; using VL = V<ll>; using VS = V<string>; template<class T> using PQ = priority_queue<T, V<T>, greater<T>>; using graph = V<VI>; template<class T> using w_graph = V<V<pair<int, T>>>; #define FOR(i,a,n) for(int i=(a);i<(n);++i) #define eFOR(i,a,n) for(int i=(a);i<=(n);++i) #define rFOR(i,a,n) for(int i=(n)-1;i>=(a);--i) #define erFOR(i,a,n) for(int i=(n);i>=(a);--i) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define inside(h,w,y,x) (unsigned(y)<h&&unsigned(x)<w) #ifdef _DEBUG #define line cout << "-----------------------------\n" #define stop system("pause") #endif constexpr ll INF = 1000000000; constexpr ll LLINF = 1LL << 61; constexpr ll mod = 1000000007; constexpr ll MOD = 998244353; constexpr ld eps = 1e-10; constexpr int dy[]{ -1,0,1,0 }, dx[]{ 0,1,0,-1 }; template<class T> inline bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; }return false; } template<class T> inline bool chmin(T& a, const T& b) { if (a > b) { a = b; return true; }return false; } inline void init() { cin.tie(nullptr); cout.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(15); } template<class T> inline istream& operator>>(istream& is, V<T>& v) { for (auto& a : v)is >> a; return is; } template<class T, class U> inline istream& operator>>(istream& is, pair<T, U>& p) { is >> p.first >> p.second; return is; } template<class T> inline V<T> vec(size_t a) { return V<T>(a); } template<class T> inline V<T> defvec(T def, size_t a) { return V<T>(a, def); } template<class T, class... Ts> inline auto vec(size_t a, Ts... ts) { return V<decltype(vec<T>(ts...))>(a, vec<T>(ts...)); } template<class T, class... Ts> inline auto defvec(T def, size_t a, Ts... ts) { return V<decltype(defvec<T>(def, ts...))>(a, defvec<T>(def, ts...)); } template<class T> inline void print(const T& a) { cout << a << "\n"; } template<class T, class... Ts> inline void print(const T& a, const Ts&... ts) { cout << a << " "; print(ts...); } template<class T> inline void print(const V<T>& v) { for (int i = 0; i < v.size(); ++i)cout << v[i] << (i == v.size() - 1 ? "\n" : " "); } template<class T> inline void print(const V<V<T>>& v) { for (auto& a : v)print(a); } template<class T> inline constexpr const T cumsum(const V<T>& a, int l, int r) { return 0 <= l && l <= r && r < a.size() ? a[r] - (l == 0 ? 0 : a[l - 1]) : 0; }//[l,r] template<class T> inline constexpr const T min(const V<T>& v) { return *min_element(all(v)); } template<class T> inline constexpr const T max(const V<T>& v) { return *max_element(all(v)); } template<class T> inline V<T>& operator++(V<T>& v) { for (T& a : v)++a; return v; } template<class T> inline V<T>& operator--(V<T>& v) { for (T& a : v)--a; return v; } VI dif(VI a, bool fix) { if (fix) { a.insert(a.begin(), 0); a.push_back(0); } int n = a.size(); VI b(n - 1); FOR(i, 0, n - 1)b[i] = a[i] != a[i + 1]; return b; } template<class C> class TestcaseGenerator { random_device rnd; mt19937 mt; public: TestcaseGenerator() : mt(mt19937(rnd())) {} C integer(C value_min, C value_max) { return uniform_int_distribution<C>(value_min, value_max)(mt); } V<C> sequence(int n, C value_min, C value_max) { V<C> a(n); uniform_int_distribution<C> value(value_min, value_max); FOR(i, 0, n)a[i] = value(mt); return a; } VI permutation(int n) { VI p(n); FOR(i, 0, n)p[i] = i; FOR(j, 0, 3)FOR(i, 1, n)swap(p[i], p[uniform_int_distribution<int>(0, i - 1)(mt)]); return p; } graph tree(int n) { graph g(n); FOR(i, 1, n) { int j = uniform_int_distribution<int>(0, i - 1)(mt); g[i].push_back(j); g[j].push_back(i); } return g; } w_graph<C> weighted_tree(int n, C weight_max) { w_graph<C> g(n); uniform_int_distribution<C> weight(1, weight_max); FOR(i, 1, n) { int j = uniform_int_distribution<int>(0, i - 1)(mt); C w = weight(mt); g[i].emplace_back(j, w); g[j].emplace_back(i, w); } return g; } }; pair<string, string> g() { TestcaseGenerator<int> gen; int n = 100000; VI p = gen.sequence(n, 0, 1); string s(n, '?'); FOR(i, 0, n)s[i] = "AB"[p[i]]; string t = s; FOR(_, 0, n) { int i = gen.integer(0, n - 3); if (p[i] == p[i + 2]) { p[i] ^= 1; p[i + 2] ^= 1; } } FOR(i, 0, n)s[i] = "AB"[p[i]]; return {s,t}; } int main() { init(); int n; cin >> n; string s, t; cin >> s >> t; if (s[0] != t[0] || s.back() != t.back()) { print(-1); return 0; } VI a(n), b(n); FOR(i, 0, n) { a[i] = s[i] == 'B'; b[i] = t[i] == 'B'; } a = dif(a, 0); b = dif(b, 0); VI x, y; FOR(i, 0, a.size()) { if (a[i] ^ (i&1))x.push_back(i); if (b[i] ^ (i&1))y.push_back(i); } if (x.size() != y.size()) { print(-1); return 0; } ll ans = 0; FOR(i, 0, x.size())ans += abs(x[i] - y[i]); print(ans); return 0; }