結果

問題 No.291 黒い文字列
ユーザー heno239heno239
提出日時 2020-08-22 12:21:46
言語 C++14
(gcc 12.3.0 + boost 1.83.0)
結果
AC  
実行時間 435 ms / 2,000 ms
コード長 3,530 bytes
コンパイル時間 1,196 ms
コンパイル使用メモリ 114,504 KB
実行使用メモリ 9,088 KB
最終ジャッジ日時 2024-10-15 06:59:47
合計ジャッジ時間 8,769 ms
ジャッジサーバーID
(参考情報)
judge2 / judge5
このコードへのチャレンジ
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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 33 ms
7,296 KB
testcase_01 AC 29 ms
7,552 KB
testcase_02 AC 65 ms
7,680 KB
testcase_03 AC 49 ms
7,424 KB
testcase_04 AC 29 ms
7,424 KB
testcase_05 AC 48 ms
7,424 KB
testcase_06 AC 58 ms
7,552 KB
testcase_07 AC 36 ms
7,552 KB
testcase_08 AC 39 ms
7,516 KB
testcase_09 AC 25 ms
7,552 KB
testcase_10 AC 138 ms
7,680 KB
testcase_11 AC 100 ms
8,192 KB
testcase_12 AC 99 ms
8,192 KB
testcase_13 AC 29 ms
7,424 KB
testcase_14 AC 66 ms
7,680 KB
testcase_15 AC 48 ms
7,424 KB
testcase_16 AC 387 ms
9,088 KB
testcase_17 AC 395 ms
8,832 KB
testcase_18 AC 389 ms
8,832 KB
testcase_19 AC 410 ms
8,832 KB
testcase_20 AC 416 ms
8,960 KB
testcase_21 AC 380 ms
8,832 KB
testcase_22 AC 418 ms
9,088 KB
testcase_23 AC 435 ms
9,088 KB
testcase_24 AC 412 ms
9,088 KB
testcase_25 AC 386 ms
9,088 KB
testcase_26 AC 386 ms
8,960 KB
testcase_27 AC 377 ms
7,680 KB
testcase_28 AC 376 ms
8,064 KB
testcase_29 AC 379 ms
9,088 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<iostream>
#include<string>
#include<cstdio>
#include<vector>
#include<cmath>
#include<algorithm>
#include<functional>
#include<iomanip>
#include<queue>
#include<ciso646>
#include<random>
#include<map>
#include<set>
#include<bitset>
#include<stack>
#include<unordered_map>
#include<utility>
#include<cassert>
#include<complex>
#include<numeric>
#include<array>
using namespace std;

//#define int long long
typedef long long ll;

typedef unsigned long long ul;
typedef unsigned int ui;
constexpr ll mod = 1000000007;
const ll INF = mod * mod;
typedef pair<int, int>P;
#define stop char nyaa;cin>>nyaa;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define Rep(i,sta,n) for(int i=sta;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define per1(i,n) for(int i=n;i>=1;i--)
#define Rep1(i,sta,n) for(int i=sta;i<=n;i++)
#define all(v) (v).begin(),(v).end()
typedef pair<ll, ll> LP;
typedef double ld;
typedef pair<ld, ld> LDP;
const ld eps = 1e-12;
const ld pi = acosl(-1.0);

ll mod_pow(ll x, ll n, ll m) {
	ll res = 1;
	while (n) {
		if (n & 1)res = res * x % m;
		x = x * x % m; n >>= 1;
	}
	return res;
}
struct modint {
	ll n;
	modint() :n(0) { ; }
	modint(ll m) :n(m) {
		if (n >= mod)n %= mod;
		else if (n < 0)n = (n % mod + mod) % mod;
	}
	operator int() { return n; }
};
bool operator==(modint a, modint b) { return a.n == b.n; }
modint operator+=(modint& a, modint b) { a.n += b.n; if (a.n >= mod)a.n -= mod; return a; }
modint operator-=(modint& a, modint b) { a.n -= b.n; if (a.n < 0)a.n += mod; return a; }
modint operator*=(modint& a, modint b) { a.n = ((ll)a.n * b.n) % mod; return a; }
modint operator+(modint a, modint b) { return a += b; }
modint operator-(modint a, modint b) { return a -= b; }
modint operator*(modint a, modint b) { return a *= b; }
modint operator^(modint a, ll n) {
	if (n == 0)return modint(1);
	modint res = (a * a) ^ (n / 2);
	if (n % 2)res = res * a;
	return res;
}

ll inv(ll a, ll p) {
	return (a == 1 ? 1 : (1 - p * inv(p % a, a)) / a + p);
}
modint operator/(modint a, modint b) { return a * modint(inv(b, mod)); }

const int max_n = 1 << 18;
modint fact[max_n], factinv[max_n];
void init_f() {
	fact[0] = modint(1);
	for (int i = 0; i < max_n - 1; i++) {
		fact[i + 1] = fact[i] * modint(i + 1);
	}
	factinv[max_n - 1] = modint(1) / fact[max_n - 1];
	for (int i = max_n - 2; i >= 0; i--) {
		factinv[i] = factinv[i + 1] * modint(i + 1);
	}
}
modint comb(int a, int b) {
	if (a < 0 || b < 0 || a < b)return 0;
	return fact[a] * factinv[b] * factinv[a - b];
}

ll gcd(ll a, ll b) {
	if (a < b)swap(a, b);
	while (b) {
		ll r = a % b; a = b; b = r;
	}
	return a;
}

string kuroi = "KUROI";
bool exi[21][21][21][21][21];
void solve() {
	string s; cin >> s;
	int n = s.size();
	exi[0][0][0][0][0] = true;
	rep(i, n) {
		per(x1, 21)per(x2, 21)per(x3, 21)per(x4, 21)per(x5, 21) {
			if (!exi[x1][x2][x3][x4][x5])continue;
			rep(t, 5) {
				if (s[i] == '?' || s[i] == kuroi[t]) {
					int nx[5] = { x1,x2,x3,x4,x5 };
					nx[t]++;
					if (t > 0 && nx[t] > nx[t - 1])nx[t]--;
					if (nx[t] > 20)nx[t] = 20;
					exi[nx[0]][nx[1]][nx[2]][nx[3]][nx[4]] = true;
				}
			}
		}
	}
	int ans = 0;
	rep(x1, 21)rep(x2, 21)rep(x3, 21)rep(x4, 21)rep(x5, 21) {
		if (exi[x1][x2][x3][x4][x5]) {
			ans = max(ans, x5);
		}
	}
	cout << ans << "\n";
}

signed main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout << fixed << setprecision(10);
	//init_f();
	//expr();
	//int t; cin >> t; rep(i, t)
	//while (cin >> n >> m>>s1>>s2>>t, n)
	solve();
	return 0;
}
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