結果
問題 | No.1597 Matrix Sort |
ユーザー | fastmath |
提出日時 | 2021-07-09 22:21:30 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 258 ms / 1,500 ms |
コード長 | 3,416 bytes |
コンパイル時間 | 1,235 ms |
コンパイル使用メモリ | 130,196 KB |
最終ジャッジ日時 | 2025-01-22 22:06:40 |
ジャッジサーバーID (参考情報) |
judge5 / judge2 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 27 |
ソースコード
#include <iostream> #include <cstdio> #include <cstdlib> #include <algorithm> #include <cmath> #include <vector> #include <set> #include <map> #include <unordered_set> #include <unordered_map> #include <queue> #include <ctime> #include <cassert> #include <complex> #include <string> #include <cstring> #include <chrono> #include <random> #include <bitset> #include <fstream> #include <array> using namespace std; #define int long long #define ii pair <int, int> #define app push_back #define all(a) a.begin(), a.end() #define bp __builtin_popcountll #define ll long long #define mp make_pair #define x first #define y second #define Time (double)clock()/CLOCKS_PER_SEC #define debug(x) std::cerr << #x << ": " << x << '\n'; #define FORI(i,a,b) for (int i = (a); i < (b); ++i) #define FOR(i,a) FORI(i,0,a) #define ROFI(i,a,b) for (int i = (b)-1; i >= (a); --i) #define ROF(i,a) ROFI(i,0,a) #define rep(a) FOR(_,a) #define each(a,x) for (auto& a: x) #define FORN(i, n) FORI(i, 1, n + 1) using vi = vector<int>; template <typename T> std::istream& operator >>(std::istream& input, std::pair <T, T> & data) { input >> data.x >> data.y; return input; } template <typename T> std::istream& operator >>(std::istream& input, std::vector<T>& data) { for (T& x : data) input >> x; return input; } template <typename T> std::ostream& operator <<(std::ostream& output, const pair <T, T> & data) { output << "(" << data.x << "," << data.y << ")"; return output; } template <typename T> std::ostream& operator <<(std::ostream& output, const std::vector<T>& data) { for (const T& x : data) output << x << " "; return output; } std::ostream& operator <<(std::ostream& output, const __int128 &x) { __int128 n = x; if (n == 0) { output << "0"; return output; } if (n < 0) { n = -n; output << "-"; } string s; while (n) { s += '0' + (n%10); n /= 10; } reverse(all(s)); cout << s; return output; } ll div_up(ll a, ll b) { return a/b+((a^b)>0&&a%b); } // divide a by b rounded up ll div_down(ll a, ll b) { return a/b-((a^b)<0&&a%b); } // divide a by b rounded down ll math_mod(ll a, ll b) { return a - b * div_down(a, b); } #define tcT template<class T #define tcTU tcT, class U tcT> using V = vector<T>; tcT> bool ckmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; } // set a = min(a,b) tcT> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; } ll gcd(ll a, ll b) { while (b) { tie(a, b) = mp(b, a % b); } return a; } int Bit(int mask, int bit) { return (mask >> bit) & 1; } const int C = 2e7+7; int pb[C]; signed main() { #ifdef LOCAL #else #define endl '\n' ios_base::sync_with_stdio(0); cin.tie(0); #endif int n, k, P; cin >> n >> k >> P; vi a(n); cin >> a; vi b(n); cin >> b; each (e, b) { pb[e + 1]++; } for (int i = 1; i < C; ++i) { pb[i] += pb[i - 1]; } auto GetLess = [&] (int up) { int ans = 0; each (e, a) { if (e <= up) ans += pb[up - e]; ans += pb[P - e + up] - pb[P - e]; } return ans; }; int l = 0, r = P; while (l < r - 1) { int m = (l + r) / 2; if (GetLess(m) >= k) { r = m; } else { l = m; } } cout << l << endl; }