結果
| 問題 |
No.2463 ストレートフラッシュ
|
| コンテスト | |
| ユーザー |
Forested
|
| 提出日時 | 2023-09-08 21:38:59 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 84 ms / 2,000 ms |
| コード長 | 3,135 bytes |
| コンパイル時間 | 1,471 ms |
| コンパイル使用メモリ | 128,904 KB |
| 最終ジャッジ日時 | 2025-02-16 19:41:39 |
|
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 22 |
ソースコード
#ifndef LOCAL
#define FAST_IO
#endif
// ============
#include <algorithm>
#include <array>
#include <bitset>
#include <cassert>
#include <cmath>
#include <iomanip>
#include <iostream>
#include <list>
#include <map>
#include <numeric>
#include <queue>
#include <random>
#include <set>
#include <stack>
#include <string>
#include <tuple>
#include <unordered_map>
#include <unordered_set>
#include <utility>
#include <vector>
#define OVERRIDE(a, b, c, d, ...) d
#define REP2(i, n) for (i32 i = 0; i < (i32)(n); ++i)
#define REP3(i, m, n) for (i32 i = (i32)(m); i < (i32)(n); ++i)
#define REP(...) OVERRIDE(__VA_ARGS__, REP3, REP2)(__VA_ARGS__)
#define PER(i, n) for (i32 i = (i32)(n) - 1; i >= 0; --i)
#define ALL(x) begin(x), end(x)
using namespace std;
using u32 = unsigned int;
using u64 = unsigned long long;
using i32 = signed int;
using i64 = signed long long;
using f64 = double;
using f80 = long double;
template <typename T>
using Vec = vector<T>;
template <typename T>
bool chmin(T &x, const T &y) {
if (x > y) {
x = y;
return true;
}
return false;
}
template <typename T>
bool chmax(T &x, const T &y) {
if (x < y) {
x = y;
return true;
}
return false;
}
#ifdef INT128
using u128 = __uint128_t;
using i128 = __int128_t;
istream &operator>>(istream &is, i128 &x) {
i64 v;
is >> v;
x = v;
return is;
}
ostream &operator<<(ostream &os, i128 x) {
os << (i64)x;
return os;
}
istream &operator>>(istream &is, u128 &x) {
u64 v;
is >> v;
x = v;
return is;
}
ostream &operator<<(ostream &os, u128 x) {
os << (u64)x;
return os;
}
#endif
[[maybe_unused]] constexpr i32 INF = 1000000100;
[[maybe_unused]] constexpr i64 INF64 = 3000000000000000100;
struct SetUpIO {
SetUpIO() {
#ifdef FAST_IO
ios::sync_with_stdio(false);
cin.tie(nullptr);
#endif
cout << fixed << setprecision(15);
}
} set_up_io;
// ============
#ifdef DEBUGF
#else
#define DBG(x) (void)0
#endif
i32 solve(array<i32, 5> pos) {
sort(ALL(pos));
DBG(pos);
i32 cur = 5;
i32 ans = 0;
i32 it = 0;
while (it < 5 && pos[it] < cur) {
++it;
}
while (it < 5) {
i32 diff = 5 - it;
i32 mv = (pos[it] + 1 - cur + diff - 1) / diff;
ans += mv;
cur += diff * mv;
while (it < 5 && pos[it] < cur) {
++it;
}
}
return ans;
}
int main() {
i32 n, m;
cin >> n >> m;
Vec<i32> a(n * m), b(n * m);
REP(i, n * m) {
cin >> a[i] >> b[i];
--a[i];
--b[i];
}
Vec<Vec<i32>> idx(n, Vec<i32>(m));
REP(i, n * m) {
idx[a[i]][b[i]] = i;
}
i32 ans = INF;
REP(i, m) {
REP(j, n - 4) {
array<i32, 5> pos;
REP(k, 5) {
pos[k] = idx[j + k][i];
}
chmin(ans, solve(pos));
}
{
array<i32, 5> pos;
pos[0] = idx[0][i];
REP(k, 4) {
pos[k + 1] = idx[n - 4 + k][i];
}
chmin(ans, solve(pos));
}
}
cout << ans << '\n';
}
Forested