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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#67253#5099. 朝圣道RedreamMer12 202ms115424kbC++144.4kb2022-12-10 11:10:462022-12-10 11:11:26

Judging History

你现在查看的是最新测评结果

  • [2023-08-10 23:21:45]
  • System Update: QOJ starts to keep a history of the judgings of all the submissions.
  • [2022-12-10 11:11:26]
  • 评测
  • 测评结果:12
  • 用时:202ms
  • 内存:115424kb
  • [2022-12-10 11:10:46]
  • 提交

answer

// #pragma GCC optimize("O3")
// #pragma GCC optimize("Ofast")
// #pragma GCC optimize("unroll-loops")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
#include "pilgrimage.h"
#include <bits/stdc++.h>
using namespace std;

#define PB emplace_back
#define int long long
#define ll long long
#define vi vector<int>
#define siz(a) ((int) ((a).size()))
#define rep(i, a, b) for (int i = (a); i <= (b); ++i)
#define per(i, a, b) for (int i = (a); i >= (b); --i)

const int N = 1e6;
struct fastmod {
	typedef unsigned long long u64;
	typedef __uint128_t u128;
	int m;
	u64 b;
	fastmod(int m = 2) : m(m), b(((u128)1 << 64) / m) {}
	int reduce(u64 a) {
		u64 q = ((u128)a * b) >> 64;
		int r = a - q * m;
		return r < m ? r : r - m;
	}
} z[N + 5];
struct pii {int x, y;};
namespace solve {
	ll n, m, p;
	inline void Exgcd(ll a, ll b, ll &x, ll &y) {
		if (!b) x = 1, y = 0;
		else Exgcd(b, a % b, y, x), y -= a / b * x;
	}
	inline ll fpm(ll x, ll power, ll Mod) {
		// return 1;
		ll res = 1;
		for (; power; power >>= 1, x = z[Mod].reduce(x * x))
			if (power & 1) res = z[Mod].reduce(res * x);
		return res;
	}
	inline ll fac(ll n, ll pi, ll pk) {
		if (!n) return 1;
		ll res = 1;
		rep (i, 2, pk) if (i % pi) res = z[pk].reduce(res * i);
		res = fpm(res, n / pk, pk);
		rep (i, 2, n % pk) if (i % pi) res = z[pk].reduce(res * i);
		return res * fac(n / pi, pi, pk) % pk;
	}
	inline ll Inv(ll n, ll Mod) {
		ll x, y;
		Exgcd(n, Mod, x, y);
		return (x % Mod + Mod) % Mod;
	}
	inline ll CRT(ll b, ll Mod) {
		return z[p].reduce(z[p].reduce(b * Inv(p / Mod, Mod)) * (p / Mod));
	}
	inline ll factor(ll x, ll Mod) {
		return x ? factor(x / Mod, Mod) + (x / Mod) : 0;
	}
	inline ll Comb(ll n, ll m, ll pi, ll pk) {
		ll k = factor(n, pi) - factor(m, pi) - factor(n - m, pi);
		if (!fpm(pi, k, pk)) return 0;
		return fac(n, pi, pk) * Inv(fac(m, pi, pk), pk) % pk * Inv(fac(n - m, pi, pk), pk) % pk * fpm(pi, k, pk) % pk;
	}
	vector<pii> s;
	inline ll ExLucas(ll n, ll m) {
		ll res = 0, tmp = p;
		if(!siz(s)) {
			rep(i, 2, sqrt(p + .5)) if (!(tmp % i)) {
				ll pk = 1;
				while (!(tmp % i)) pk *= i, tmp /= i;
				res = z[p].reduce(res + CRT(Comb(n, m, i, pk), pk));
				s.PB((pii) {i, pk});
			}
			if (tmp > 1) res = z[p].reduce(res + CRT(Comb(n, m, tmp, tmp), tmp)), s.PB((pii) {tmp, tmp});
		}
		else for(pii x : s) res = z[p].reduce(res + CRT(Comb(n, m, x.x, x.y), x.y));
		return res;
	}
	int ANS (int _n, int _m, int _p) {
		n = _n, m = _m, p = _p;
		return ExLucas(n, m);
	}
}
namespace s2 {
	int fac[N + 5], inv[N + 5], mod;
	int qp(int n, int m = mod - 2) {
		int res = 1;
		for (; m; m >>= 1) {
			if (m & 1) res = res * n % mod;
			n = n * n % mod;
		}
		return res;
	}
	void init() {
		fac[0] = fac[1] = 1;
		rep(i, 2, mod - 1) fac[i] = z[mod].reduce(fac[i - 1] * i);
		// cout << fac[999982] << ' ' << mod << endl;
		inv[mod - 1] = qp(fac[mod - 1]);
		per(i, mod - 2, 0) inv[i] = inv[i + 1] * (i + 1) % mod;
	}
	int C(int n, int m) {return fac[n] * inv[m] % mod * inv[n - m] % mod;}
	int ANS(int n, int m) {
		if(n < m) return 0;
		if(n < mod) return C(n, m);
		return z[mod].reduce(ANS(n % mod, m % mod) * ANS(n / mod, m / mod));
	}
}

int a, b, i2, mod;
int qp(int n, int m = mod - 2) {
	int res = 1;
	for(; m; m >>= 1) {
		if(m & 1) res = z[mod].reduce(res * n);
		n = z[mod].reduce(n * n);
	}
	return res;
}
int phi(int n) {
	int res = n;
	for(int i = 2; i * i <= n; ++i) {
		if(n % i == 0) {
			res = res / i * (i - 1);
			for(; n % i == 0; n /= i);
		}
	}
	if(n > 1) res = res / n * (n - 1);
	return res;
}

#undef int
int T, C[6005][6005];
void init (int o, int p) {
	rep(i, 2, N) z[i] = fastmod(i);
	T = o;
	mod = p;
	a = phi(p) - 1;
	i2 = qp(2, a);
	if(T == 1 || T == 2) {
		rep(i, 0, 6000) {
			C[i][0] = 1;
			rep(j, 1, i) C[i][j] = z[p].reduce(C[i - 1][j - 1] + C[i - 1][j]);
		}
	}
	if(T == 4 || T == 5) s2::mod = p, s2::init();
}
int ask(ll n) {
	if(T == 1 || T == 2) return C[2 * n - 1][n] * n % mod * 2 % mod * qp(i2, 2 * n) % mod;
	else if(T == 4 || T == 5) return s2::ANS(2  * (n % mod) * 2 % mod * qp(i2, 2 * n) % mod* n - 1, n) * (n % mod) * 2 % mod * qp(i2, 2 * n) % mod;
	return solve::ANS(2 * n - 1, n, mod);
}

// signed main() {
// 	// freopen("in1.in", "r", stdin);
// 	// freopen("out.out", "w", stdout);
// 	// cout << calc(666, 64, 2).val;
// 	// return 0;
// 	printf("%lld", ans);
// 	return 0;
// }

Details

Tip: Click on the bar to expand more detailed information

Subtask #1:

score: 4
Accepted

Test #1:

score: 4
Accepted
time: 124ms
memory: 115256kb

input:

1 910276 554767
6
10
7
4
10
12
9
3
3
5
7
10
5
6
1
6
3
9
6
8
12
11
8
2
12
5
9
3
8
2
12
11
2
3
4
9
2
5
5
11
6
4
8
11
3
9
2
2
8
9
2
8
9
6
2
9
2
10
10
7
5
6
4
4
11
12
8
8
2
2
4
3
3
5
6
6
8
11
6
9
9
3
4
1
2
2
6
9
9
2
3
2
12
6
1
7
2
4
12
11
4
7
6
3
9
4
6
5
3
3
12
6
2
1
1
7
2
6
5
9
11
6
3
4
11
1
2
4
5
4
10...

output:

5419
364275
514407
329394
364275
229662
53120
520095
520095
509260
514407
364275
509260
5419
277384
5419
520095
53120
5419
115262
229662
243797
115262
416076
229662
509260
53120
520095
115262
416076
229662
243797
416076
520095
329394
53120
416076
509260
509260
243797
5419
329394
115262
243797
520095...

result:

ok 910276 numbers

Test #2:

score: 0
Accepted
time: 129ms
memory: 115360kb

input:

1 972231 293475
7
1
9
6
5
1
11
5
5
12
2
2
7
3
4
10
10
3
2
10
7
1
10
9
1
3
5
6
7
2
7
4
1
10
1
9
3
10
10
2
6
11
4
10
12
8
5
2
12
4
9
12
7
2
12
4
3
1
2
9
12
1
4
5
6
12
6
5
9
2
5
12
3
4
6
12
12
2
1
6
4
12
10
5
12
7
9
8
3
8
10
5
3
6
12
7
7
10
7
10
8
7
7
2
2
4
8
6
10
8
11
6
11
10
3
9
5
2
5
1
10
2
11
4
4
3...

output:

117936
146738
29445
289464
209790
146738
240513
209790
209790
158067
220107
220107
117936
201765
284305
145210
145210
201765
220107
145210
117936
146738
145210
29445
146738
201765
209790
289464
117936
220107
117936
284305
146738
145210
146738
29445
201765
145210
145210
220107
289464
240513
284305
14...

result:

ok 972231 numbers

Subtask #2:

score: 8
Accepted

Dependency #1:

100%
Accepted

Test #3:

score: 8
Accepted
time: 202ms
memory: 115360kb

input:

2 957481 386233
816
1256
2812
1370
1469
1439
33
929
1437
2680
1001
1846
1936
1161
1823
1417
2823
1753
2434
577
1671
676
174
2401
1762
123
785
604
1650
117
2344
1365
221
1096
1087
1057
457
2254
647
1827
266
1599
1445
83
2685
1372
1795
2595
1909
2605
1608
2656
1114
581
725
725
2964
1893
2997
2159
2457...

output:

243553
369562
36625
90220
62730
42787
241717
149359
268969
155264
320512
294338
253353
21209
383147
351989
377945
95957
11104
281882
322211
249147
314632
233795
328009
379666
87737
25996
373808
370185
100320
276912
381027
160702
232305
93658
378209
290139
141008
290287
259740
247075
57683
258680
366...

result:

ok 957481 numbers

Test #4:

score: 0
Accepted
time: 188ms
memory: 115424kb

input:

2 912746 991287
2945
439
558
2022
1589
2495
2517
2291
2215
160
319
1671
2800
2008
2885
29
41
580
1156
2553
1876
1137
2129
2338
1046
1818
2691
1454
1229
1965
635
1516
987
1629
140
2320
1715
2644
452
1353
2755
693
956
2518
1154
2441
946
137
496
786
2489
1509
190
2177
1216
1725
480
2572
1774
2465
298
2...

output:

660858
612612
0
511632
911772
0
0
0
92378
55539
511632
0
0
0
479655
660858
939807
894102
95931
260865
699732
0
583110
496485
0
630819
0
90117
116622
804474
466488
816354
174933
450585
988218
623007
0
208692
0
0
330429
0
758043
660858
95931
660858
0
138321
148614
208692
0
692478
277134
127908
831402
...

result:

ok 912746 numbers

Subtask #3:

score: 0
Wrong Answer

Test #5:

score: 0
Wrong Answer
time: 40ms
memory: 19004kb

input:

3 1 334547
8234

output:

103280

result:

wrong answer 1st numbers differ - expected: '179079', found: '103280'

Subtask #4:

score: 0
Skipped

Dependency #3:

0%

Subtask #5:

score: 0
Skipped

Dependency #4:

0%

Subtask #6:

score: 0
Time Limit Exceeded

Test #8:

score: 0
Time Limit Exceeded

input:

6 958477 522361
280121915553826833
734266539148641647
72849162479700582
274266741463686096
60278972064195458
828423669427600612
571432949203039978
518511460268700898
486268614705621285
19216283231217074
611458416727512530
175147354285288662
799769622289998997
400123443628688299
145546980862133838
40...

output:

Unauthorized output

result:


Subtask #7:

score: 0
Skipped

Dependency #3:

0%

Subtask #8:

score: 0
Wrong Answer

Test #33:

score: 0
Wrong Answer
time: 43ms
memory: 19204kb

input:

8 9963 251
831797004675585320
494759973681332858
701341496127272302
252910460485222469
250965009655458584
366193481309061299
633134388675839346
791999098066205672
196620805863610860
363773642045280947
466508590762410710
407790578717064135
181590911404670570
570642047249889864
70138464625729452
23634...

output:

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
234
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
73
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0...

result:

wrong answer 25th numbers differ - expected: '204', found: '234'

Subtask #9:

score: 0
Skipped

Dependency #2:

100%
Accepted

Dependency #5:

0%