結果

問題 No.2018 X-Y-X
ユーザー 👑 hitonanodehitonanode
提出日時 2022-07-22 21:41:24
言語 C++23(draft)
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 11 ms / 2,000 ms
コード長 6,432 bytes
コンパイル時間 1,770 ms
コンパイル使用メモリ 181,628 KB
実行使用メモリ 8,820 KB
最終ジャッジ日時 2023-09-17 09:21:28
合計ジャッジ時間 3,315 ms
ジャッジサーバーID
(参考情報)
judge13 / judge12
このコードへのチャレンジ(β)

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 1 ms
4,380 KB
testcase_01 AC 1 ms
4,376 KB
testcase_02 AC 1 ms
4,376 KB
testcase_03 AC 2 ms
4,376 KB
testcase_04 AC 2 ms
4,380 KB
testcase_05 AC 2 ms
4,376 KB
testcase_06 AC 7 ms
5,624 KB
testcase_07 AC 7 ms
5,660 KB
testcase_08 AC 9 ms
7,208 KB
testcase_09 AC 8 ms
7,096 KB
testcase_10 AC 6 ms
6,544 KB
testcase_11 AC 8 ms
6,544 KB
testcase_12 AC 7 ms
6,824 KB
testcase_13 AC 7 ms
5,556 KB
testcase_14 AC 7 ms
5,732 KB
testcase_15 AC 8 ms
5,868 KB
testcase_16 AC 6 ms
5,216 KB
testcase_17 AC 8 ms
5,676 KB
testcase_18 AC 5 ms
4,760 KB
testcase_19 AC 6 ms
5,340 KB
testcase_20 AC 9 ms
7,308 KB
testcase_21 AC 7 ms
5,580 KB
testcase_22 AC 7 ms
5,324 KB
testcase_23 AC 3 ms
4,380 KB
testcase_24 AC 11 ms
8,820 KB
testcase_25 AC 10 ms
6,812 KB
testcase_26 AC 10 ms
8,564 KB
testcase_27 AC 4 ms
4,376 KB
testcase_28 AC 2 ms
4,380 KB
testcase_29 AC 4 ms
4,376 KB
testcase_30 AC 6 ms
5,608 KB
testcase_31 AC 6 ms
5,100 KB
testcase_32 AC 7 ms
5,904 KB
権限があれば一括ダウンロードができます

ソースコード

diff #

#include <algorithm>
#include <array>
#include <bitset>
#include <cassert>
#include <chrono>
#include <cmath>
#include <complex>
#include <deque>
#include <forward_list>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iostream>
#include <limits>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <random>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <tuple>
#include <type_traits>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
using namespace std;
using lint = long long;
using pint = pair<int, int>;
using plint = pair<lint, lint>;
struct fast_ios { fast_ios(){ cin.tie(nullptr), ios::sync_with_stdio(false), cout << fixed << setprecision(20); }; } fast_ios_;
#define ALL(x) (x).begin(), (x).end()
#define FOR(i, begin, end) for(int i=(begin),i##_end_=(end);i<i##_end_;i++)
#define IFOR(i, begin, end) for(int i=(end)-1,i##_begin_=(begin);i>=i##_begin_;i--)
#define REP(i, n) FOR(i,0,n)
#define IREP(i, n) IFOR(i,0,n)
template <typename T, typename V>
void ndarray(vector<T>& vec, const V& val, int len) { vec.assign(len, val); }
template <typename T, typename V, typename... Args> void ndarray(vector<T>& vec, const V& val, int len, Args... args) { vec.resize(len), for_each(begin(vec), end(vec), [&](T& v) { ndarray(v, val, args...); }); }
template <typename T> bool chmax(T &m, const T q) { return m < q ? (m = q, true) : false; }
template <typename T> bool chmin(T &m, const T q) { return m > q ? (m = q, true) : false; }
int floor_lg(long long x) { return x <= 0 ? -1 : 63 - __builtin_clzll(x); }
template <typename T1, typename T2> pair<T1, T2> operator+(const pair<T1, T2> &l, const pair<T1, T2> &r) { return make_pair(l.first + r.first, l.second + r.second); }
template <typename T1, typename T2> pair<T1, T2> operator-(const pair<T1, T2> &l, const pair<T1, T2> &r) { return make_pair(l.first - r.first, l.second - r.second); }
template <typename T> vector<T> sort_unique(vector<T> vec) { sort(vec.begin(), vec.end()), vec.erase(unique(vec.begin(), vec.end()), vec.end()); return vec; }
template <typename T> int arglb(const std::vector<T> &v, const T &x) { return std::distance(v.begin(), std::lower_bound(v.begin(), v.end(), x)); }
template <typename T> int argub(const std::vector<T> &v, const T &x) { return std::distance(v.begin(), std::upper_bound(v.begin(), v.end(), x)); }
template <typename T> istream &operator>>(istream &is, vector<T> &vec) { for (auto &v : vec) is >> v; return is; }
template <typename T> ostream &operator<<(ostream &os, const vector<T> &vec) { os << '['; for (auto v : vec) os << v << ','; os << ']'; return os; }
template <typename T, size_t sz> ostream &operator<<(ostream &os, const array<T, sz> &arr) { os << '['; for (auto v : arr) os << v << ','; os << ']'; return os; }
#if __cplusplus >= 201703L
template <typename... T> istream &operator>>(istream &is, tuple<T...> &tpl) { std::apply([&is](auto &&... args) { ((is >> args), ...);}, tpl); return is; }
template <typename... T> ostream &operator<<(ostream &os, const tuple<T...> &tpl) { os << '('; std::apply([&os](auto &&... args) { ((os << args << ','), ...);}, tpl); return os << ')'; }
#endif
template <typename T> ostream &operator<<(ostream &os, const deque<T> &vec) { os << "deq["; for (auto v : vec) os << v << ','; os << ']'; return os; }
template <typename T> ostream &operator<<(ostream &os, const set<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; }
template <typename T, typename TH> ostream &operator<<(ostream &os, const unordered_set<T, TH> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; }
template <typename T> ostream &operator<<(ostream &os, const multiset<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; }
template <typename T> ostream &operator<<(ostream &os, const unordered_multiset<T> &vec) { os << '{'; for (auto v : vec) os << v << ','; os << '}'; return os; }
template <typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &pa) { os << '(' << pa.first << ',' << pa.second << ')'; return os; }
template <typename TK, typename TV> ostream &operator<<(ostream &os, const map<TK, TV> &mp) { os << '{'; for (auto v : mp) os << v.first << "=>" << v.second << ','; os << '}'; return os; }
template <typename TK, typename TV, typename TH> ostream &operator<<(ostream &os, const unordered_map<TK, TV, TH> &mp) { os << '{'; for (auto v : mp) os << v.first << "=>" << v.second << ','; os << '}'; return os; }
#ifdef HITONANODE_LOCAL
const string COLOR_RESET = "\033[0m", BRIGHT_GREEN = "\033[1;32m", BRIGHT_RED = "\033[1;31m", BRIGHT_CYAN = "\033[1;36m", NORMAL_CROSSED = "\033[0;9;37m", RED_BACKGROUND = "\033[1;41m", NORMAL_FAINT = "\033[0;2m";
#define dbg(x) cerr << BRIGHT_CYAN << #x << COLOR_RESET << " = " << (x) << NORMAL_FAINT << " (L" << __LINE__ << ") " << __FILE__ << COLOR_RESET << endl
#define dbgif(cond, x) ((cond) ? cerr << BRIGHT_CYAN << #x << COLOR_RESET << " = " << (x) << NORMAL_FAINT << " (L" << __LINE__ << ") " << __FILE__ << COLOR_RESET << endl : cerr)
#else
#define dbg(x) 0
#define dbgif(cond, x) 0
#endif

vector<int> conv(string s) {
    vector<int> ret;
    for (auto c : s) ret.push_back(c - 'A');
    REP(i, ret.size()) {
        if (i % 4 >= 2) ret[i] ^= 1;
    }
     return ret;
}
template <class T> std::vector<std::pair<T, int>> run_length_encoding(const std::vector<T> &v) {
    std::vector<std::pair<T, int>> ret;
    for (const T &x : v) {
        if (ret.empty() or ret.back().first != x) ret.emplace_back(x, 0);
        ++ret.back().second;
    }
    return ret;
}

// aabaacddd -> [(a, 2), (b, 1), (a, 2), (c, 1), (d, 3)]
// Each character in s must be char
std::vector<std::pair<char, int>> run_length_encoding(const std::string &s) {
    std::vector<char> tmp(s.begin(), s.end());
    return run_length_encoding<char>(tmp);
}

void bad() {
    puts("-1");
    exit(0);
}

int main() {
    int N;
    string S, T;
    cin >> N >> S >> T;
    auto A = run_length_encoding(conv(S));
    auto B = run_length_encoding(conv(T));
    dbg(A);
    dbg(B);
    if (A.size() != B.size() or A.front().first != B.front().first) bad();

    int as = 0, bs = 0;
    lint ret = 0;
    REP(i, A.size()) {
        as += A[i].second;
        bs += B[i].second;
        ret += abs(as - bs);

    }
    // exit(1);
    cout << ret << endl;
}
0