結果

問題 No.295 hel__world
ユーザー antaanta
提出日時 2015-10-23 23:22:03
言語 C++11
(gcc 11.4.0)
結果
RE  
実行時間 -
コード長 4,613 bytes
コンパイル時間 1,029 ms
コンパイル使用メモリ 101,316 KB
実行使用メモリ 40,896 KB
最終ジャッジ日時 2024-07-23 15:50:56
合計ジャッジ時間 6,457 ms
ジャッジサーバーID
(参考情報)
judge4 / judge2
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 9 ms
26,216 KB
testcase_01 AC 10 ms
26,312 KB
testcase_02 AC 10 ms
26,168 KB
testcase_03 AC 10 ms
26,024 KB
testcase_04 RE -
testcase_05 RE -
testcase_06 RE -
testcase_07 AC 10 ms
26,028 KB
testcase_08 AC 10 ms
26,112 KB
testcase_09 AC 10 ms
26,236 KB
testcase_10 AC 11 ms
26,216 KB
testcase_11 AC 10 ms
26,156 KB
testcase_12 AC 9 ms
26,032 KB
testcase_13 WA -
testcase_14 AC 10 ms
26,056 KB
testcase_15 WA -
testcase_16 AC 10 ms
26,160 KB
testcase_17 AC 9 ms
26,076 KB
testcase_18 AC 10 ms
26,052 KB
testcase_19 RE -
testcase_20 RE -
testcase_21 RE -
testcase_22 RE -
testcase_23 RE -
testcase_24 RE -
testcase_25 RE -
testcase_26 RE -
testcase_27 AC 10 ms
26,196 KB
testcase_28 AC 10 ms
26,064 KB
testcase_29 AC 10 ms
26,272 KB
testcase_30 AC 10 ms
26,228 KB
testcase_31 AC 10 ms
26,116 KB
testcase_32 RE -
testcase_33 RE -
testcase_34 RE -
testcase_35 AC 10 ms
26,108 KB
testcase_36 AC 10 ms
26,136 KB
testcase_37 AC 10 ms
26,220 KB
testcase_38 AC 10 ms
26,032 KB
testcase_39 AC 10 ms
26,128 KB
testcase_40 AC 10 ms
26,144 KB
testcase_41 AC 10 ms
26,292 KB
testcase_42 AC 10 ms
26,024 KB
testcase_43 RE -
testcase_44 RE -
testcase_45 RE -
testcase_46 RE -
testcase_47 AC 10 ms
26,076 KB
testcase_48 AC 11 ms
26,028 KB
testcase_49 AC 10 ms
26,060 KB
testcase_50 AC 9 ms
26,204 KB
testcase_51 AC 10 ms
26,156 KB
testcase_52 AC 10 ms
26,032 KB
testcase_53 RE -
testcase_54 RE -
testcase_55 RE -
testcase_56 RE -
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp: In function ‘int main()’:
main.cpp:145:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  145 |                 scanf("%lld", &S[i]);
      |                 ~~~~~^~~~~~~~~~~~~~~
main.cpp:146:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
  146 |         scanf("%s", T);
      |         ~~~~~^~~~~~~~~

ソースコード

diff #

#include <string>
#include <vector>
#include <algorithm>
#include <numeric>
#include <set>
#include <map>
#include <queue>
#include <iostream>
#include <sstream>
#include <cstdio>
#include <cmath>
#include <ctime>
#include <cstring>
#include <cctype>
#include <cassert>
#include <limits>
#include <functional>
#define rep(i,n) for(int (i)=0;(i)<(int)(n);++(i))
#define rer(i,l,u) for(int (i)=(int)(l);(i)<=(int)(u);++(i))
#define reu(i,l,u) for(int (i)=(int)(l);(i)<(int)(u);++(i))
#if defined(_MSC_VER) || __cplusplus > 199711L
#define aut(r,v) auto r = (v)
#else
#define aut(r,v) __typeof(v) r = (v)
#endif
#define each(it,o) for(aut(it, (o).begin()); it != (o).end(); ++ it)
#define all(o) (o).begin(), (o).end()
#define pb(x) push_back(x)
#define mp(x,y) make_pair((x),(y))
#define mset(m,v) memset(m,v,sizeof(m))
#define INF 0x3f3f3f3f
#define INFL 0x3f3f3f3f3f3f3f3fLL
using namespace std;
typedef vector<int> vi; typedef pair<int,int> pii; typedef vector<pair<int,int> > vpii; typedef long long ll;
template<typename T, typename U> inline void amin(T &x, U y) { if(y < x) x = y; }
template<typename T, typename U> inline void amax(T &x, U y) { if(x < y) x = y; }


struct SaturationInt {
	typedef unsigned long long T; typedef double Float;
	static T Max;
	T x;
	static inline T sat(T x) { return x > Max ? Max : x; }
	SaturationInt(): x(0) { }
	SaturationInt(T x_): x(sat(x_)) { }
	T get() const { return x; }

	SaturationInt operator+(const SaturationInt &that) const {
		return SaturationInt(x + that.x);
	}
	SaturationInt operator*(const SaturationInt &that) const {
		return SaturationInt((Float)x * that.x > Max ? Max : x * that.x);
	}
	SaturationInt &operator+=(const SaturationInt &that) { return *this = *this + that; }
	SaturationInt &operator*=(const SaturationInt &that) { return *this = *this * that; }

	SaturationInt operator^(long long k) const {
		T r = 1, a = x;
		while(k) {
			if(k & 1) r *= a;
			if(k >>= 1) {
				if((Float)a * a * r > Max) return SaturationInt(Max);
				a *= a;
			}
		}
		return SaturationInt(r);
	}

	bool operator<(const SaturationInt &that) const {
		return x < that.x;
	}
};
SaturationInt::T SaturationInt::Max = (1ULL << 62) + (1U << 30);

typedef SaturationInt sint;

const int NCR_TABLE_N = 1700;
sint nCrTable[NCR_TABLE_N+1][NCR_TABLE_N+1];

sint nCr(long long x, long long y) {
	if(nCrTable[0][0].x == 0) {
		for(int i = 0; i <= NCR_TABLE_N; i ++) {
			nCrTable[i][0] = 1;
			for(int j = 1; j <= i; j ++)
				nCrTable[i][j] = nCrTable[i-1][j-1] + nCrTable[i-1][j];
		}
	}
	if(x < y) return sint();
	if(y > x / 2) y = x - y;
	if(y == 0) return sint(1);
	if(y == 1) return sint(x);
	if(y == 2) {
		long long a[2] = {x, x - 1};
		a[x % 2] /= 2;
		return sint(a[0]) * sint(a[1]);
	}
	if(y == 3) {
		long long a[3] = {x, x - 1, x - 2};
		a[x % 2] /= 2;
		a[x % 3] /= 3;
		return sint(a[0]) * sint(a[1]) * sint(a[2]);
	}
	if(y == 4) {
		long long a[4] = {x, x - 1, x - 2, x - 3};
		a[(x % 2 == x % 4 ? 2 : 0) + x % 2] /= 2;
		a[x % 3] /= 3;
		a[x % 4] /= 4;
		return sint(a[0]) * sint(a[1]) * sint(a[2]) * sint(a[3]);
	}
	if(y == 5) {
		long long a[5] = {x, x - 1, x - 2, x - 3, x - 4};
		a[(x % 2 == x % 4 ? 2 : 0) + x % 2] /= 2;
		a[x % 3] /= 3;
		a[x % 4] /= 4;
		a[x % 5] /= 5;
		return sint(a[0]) * sint(a[1]) * sint(a[2]) * sint(a[3]) * sint(a[4]);
	}
	if(x > NCR_TABLE_N) {
		return sint(sint::Max);
	} else {
		return nCrTable[(int)x][(int)y];
	}
}

template<typename T>
vector<pair<T,int> > runLength(const T a[], int n) {
	vector<pair<T,int> > r;
	if(n <= 0) return r;
	int cnt = 0;
	for(int i = 0; i <= n; i ++) {
		if(i == n || (i != 0 && a[i] != a[i-1])) {
			r.push_back(make_pair(a[i-1], cnt));
			cnt = 0;
		}
		cnt ++;
	}
	return r;
}

int main() {
	const int Alphas = 26;
	char *T = new char[1000001];
	vector<long long> S(Alphas);
	for(int i = 0; i < Alphas; ++ i)
		scanf("%lld", &S[i]);
	scanf("%s", T);
	auto runs = runLength(T, strlen(T));
	vector<vi> lengths(Alphas);
	for(auto p : runs) {
		int a = p.first - 'a';
		S[a] -= p.second;
		lengths[a].push_back(p.second);
	}
	sint ans = 1;
	rep(a, Alphas) {
		long long x = S[a];
		if(x < 0) {
			ans *= 0;
			continue;
		}
		vi &v = lengths[a];
		sort(all(v), greater<int>());
		if(v.empty())
			continue;
		auto w = runLength(&v[0], v.size());
		//同じ中では均等に分配するのがよさそう
		if(w.size() == 1) {
			int y = w[0].first;
			int n = w[0].second;
			ans *= nCr(y + x / n, y) ^ (n - x % n);
			ans *= nCr(y + x / n + 1, y) ^ (x % n);
			continue;
		}
		abort();
	}
	if(ans.get() > 1ULL << 62) {
		puts("hel");
	} else {
		cout << ans.get() << endl;
	}
	return 0;
}
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