답안 #22327 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
22327	2017-04-30T03:56:49 Z	카시코이(#958, xdoju, ntopia, pps789)	Fully Generate (KRIII5_FG)	C++	7 / 7	359 ms	470412 KB

#include<cstdio>
#include<vector>
#include<algorithm>
using namespace std;

typedef long long ll;
const ll MOD = 1e9 + 7;
const int PMAX = 4e7;
const int QMAX = 70000;

int dp[PMAX + 1]; // dp[i]: i�� ������ �� �� �����ϴ°�?
ll psum[PMAX + 1];
ll D[QMAX + 1];

ll fastpow(ll x, ll y) {
	ll ret = 1;
	while (y) {
		if (y & 1) ret = ret*x%MOD;
		x = x*x%MOD;
		y >>= 1;
	}
	return ret;
}

int main() {
	ll N; scanf("%lld", &N);
	for (int i = 1; i <= QMAX; i++) D[i] = 1;

	dp[1] = psum[1] = 1;
	dp[2] = 2;
	psum[2] = 3;
	int j = 2;
	int K;
	for (K = 3;; K++) {
		// find min(j) s.t. psum[j] >= i
		while (psum[j] < K) j++;
		// now psum[j] >= i
		dp[K] = j;
		psum[K] = psum[K - 1] + j;
		if (psum[K] >= N) break;
	}

	int maxint = lower_bound(psum + 1, psum + 1 + K, N) - psum;
	for (int i = 2; i < maxint; i++) {
		D[dp[i]] = D[dp[i]] * i;
		D[dp[i]] %= MOD;
	}

	ll ans = 1;
	for (int i = 2; i <= dp[maxint - 1]; i++) {
		ll cur = D[i];
		ans = ans*fastpow(cur, i);
		ans %= MOD;
	}

	ll last = N - psum[maxint - 1];
	ans = ans*fastpow(maxint, last) % MOD;

	printf("%lld", ans);
}

Compilation message

FG.cpp: In function 'int main()':
FG.cpp:26:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  ll N; scanf("%lld", &N);
                         ^

Subtask #1
2.0 / 2.0

#	결과	메모리	Grader output
1	Correct	470412 KB	Output is correct
2	Correct	470412 KB	Output is correct
3	Correct	470412 KB	Output is correct
4	Correct	470412 KB	Output is correct
5	Correct	470412 KB	Output is correct
6	Correct	470412 KB	Output is correct
7	Correct	470412 KB	Output is correct
8	Correct	470412 KB	Output is correct
9	Correct	470412 KB	Output is correct
10	Correct	470412 KB	Output is correct
11	Correct	470412 KB	Output is correct
12	Correct	470412 KB	Output is correct
13	Correct	470412 KB	Output is correct
14	Correct	470412 KB	Output is correct
15	Correct	470412 KB	Output is correct
16	Correct	470412 KB	Output is correct
17	Correct	470412 KB	Output is correct
18	Correct	470412 KB	Output is correct
19	Correct	470412 KB	Output is correct
20	Correct	470412 KB	Output is correct
21	Correct	470412 KB	Output is correct
22	Correct	470412 KB	Output is correct
23	Correct	470412 KB	Output is correct
24	Correct	470412 KB	Output is correct
25	Correct	470412 KB	Output is correct
26	Correct	470412 KB	Output is correct
27	Correct	470412 KB	Output is correct
28	Correct	470412 KB	Output is correct
29	Correct	470412 KB	Output is correct
30	Correct	470412 KB	Output is correct
31	Correct	470412 KB	Output is correct
32	Correct	470412 KB	Output is correct
33	Correct	470412 KB	Output is correct
34	Correct	470412 KB	Output is correct
35	Correct	470412 KB	Output is correct
36	Correct	470412 KB	Output is correct
37	Correct	470412 KB	Output is correct
38	Correct	470412 KB	Output is correct
39	Correct	470412 KB	Output is correct
40	Correct	470412 KB	Output is correct
41	Correct	470412 KB	Output is correct
42	Correct	470412 KB	Output is correct
43	Correct	470412 KB	Output is correct
44	Correct	470412 KB	Output is correct
45	Correct	470412 KB	Output is correct
46	Correct	470412 KB	Output is correct
47	Correct	470412 KB	Output is correct
48	Correct	470412 KB	Output is correct
49	Correct	470412 KB	Output is correct
50	Correct	470412 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	470412 KB	Output is correct
2	Correct	0 ms	470412 KB	Output is correct
3	Correct	0 ms	470412 KB	Output is correct
4	Correct	0 ms	470412 KB	Output is correct
5	Correct	0 ms	470412 KB	Output is correct
6	Correct	0 ms	470412 KB	Output is correct
7	Correct	0 ms	470412 KB	Output is correct
8	Correct	0 ms	470412 KB	Output is correct
9	Correct	0 ms	470412 KB	Output is correct
10	Correct	0 ms	470412 KB	Output is correct
11	Correct	0 ms	470412 KB	Output is correct
12	Correct	0 ms	470412 KB	Output is correct
13	Correct	0 ms	470412 KB	Output is correct
14	Correct	0 ms	470412 KB	Output is correct
15	Correct	0 ms	470412 KB	Output is correct
16	Correct	0 ms	470412 KB	Output is correct
17	Correct	0 ms	470412 KB	Output is correct
18	Correct	0 ms	470412 KB	Output is correct
19	Correct	0 ms	470412 KB	Output is correct
20	Correct	0 ms	470412 KB	Output is correct
21	Correct	0 ms	470412 KB	Output is correct
22	Correct	0 ms	470412 KB	Output is correct
23	Correct	0 ms	470412 KB	Output is correct
24	Correct	0 ms	470412 KB	Output is correct
25	Correct	0 ms	470412 KB	Output is correct
26	Correct	0 ms	470412 KB	Output is correct
27	Correct	0 ms	470412 KB	Output is correct
28	Correct	0 ms	470412 KB	Output is correct
29	Correct	0 ms	470412 KB	Output is correct
30	Correct	0 ms	470412 KB	Output is correct
31	Correct	0 ms	470412 KB	Output is correct
32	Correct	0 ms	470412 KB	Output is correct
33	Correct	0 ms	470412 KB	Output is correct
34	Correct	0 ms	470412 KB	Output is correct
35	Correct	0 ms	470412 KB	Output is correct
36	Correct	0 ms	470412 KB	Output is correct
37	Correct	0 ms	470412 KB	Output is correct
38	Correct	0 ms	470412 KB	Output is correct
39	Correct	0 ms	470412 KB	Output is correct
40	Correct	0 ms	470412 KB	Output is correct
41	Correct	0 ms	470412 KB	Output is correct
42	Correct	0 ms	470412 KB	Output is correct
43	Correct	0 ms	470412 KB	Output is correct
44	Correct	0 ms	470412 KB	Output is correct
45	Correct	0 ms	470412 KB	Output is correct
46	Correct	0 ms	470412 KB	Output is correct
47	Correct	0 ms	470412 KB	Output is correct
48	Correct	0 ms	470412 KB	Output is correct
49	Correct	0 ms	470412 KB	Output is correct
50	Correct	0 ms	470412 KB	Output is correct
51	Correct	329 ms	470412 KB	Output is correct
52	Correct	326 ms	470412 KB	Output is correct
53	Correct	329 ms	470412 KB	Output is correct
54	Correct	343 ms	470412 KB	Output is correct
55	Correct	329 ms	470412 KB	Output is correct
56	Correct	329 ms	470412 KB	Output is correct
57	Correct	359 ms	470412 KB	Output is correct
58	Correct	333 ms	470412 KB	Output is correct
59	Correct	323 ms	470412 KB	Output is correct
60	Correct	356 ms	470412 KB	Output is correct
61	Correct	356 ms	470412 KB	Output is correct
62	Correct	349 ms	470412 KB	Output is correct
63	Correct	353 ms	470412 KB	Output is correct
64	Correct	356 ms	470412 KB	Output is correct
65	Correct	329 ms	470412 KB	Output is correct
66	Correct	319 ms	470412 KB	Output is correct
67	Correct	329 ms	470412 KB	Output is correct
68	Correct	316 ms	470412 KB	Output is correct
69	Correct	303 ms	470412 KB	Output is correct
70	Correct	323 ms	470412 KB	Output is correct
71	Correct	203 ms	470412 KB	Output is correct
72	Correct	256 ms	470412 KB	Output is correct
73	Correct	249 ms	470412 KB	Output is correct
74	Correct	253 ms	470412 KB	Output is correct
75	Correct	249 ms	470412 KB	Output is correct
76	Correct	276 ms	470412 KB	Output is correct
77	Correct	286 ms	470412 KB	Output is correct
78	Correct	293 ms	470412 KB	Output is correct
79	Correct	309 ms	470412 KB	Output is correct
80	Correct	309 ms	470412 KB	Output is correct
81	Correct	316 ms	470412 KB	Output is correct
82	Correct	309 ms	470412 KB	Output is correct
83	Correct	323 ms	470412 KB	Output is correct
84	Correct	96 ms	470412 KB	Output is correct
85	Correct	109 ms	470412 KB	Output is correct
86	Correct	119 ms	470412 KB	Output is correct
87	Correct	136 ms	470412 KB	Output is correct
88	Correct	166 ms	470412 KB	Output is correct
89	Correct	169 ms	470412 KB	Output is correct
90	Correct	183 ms	470412 KB	Output is correct
91	Correct	209 ms	470412 KB	Output is correct
92	Correct	219 ms	470412 KB	Output is correct
93	Correct	213 ms	470412 KB	Output is correct
94	Correct	236 ms	470412 KB	Output is correct
95	Correct	256 ms	470412 KB	Output is correct
96	Correct	76 ms	470412 KB	Output is correct
97	Correct	53 ms	470412 KB	Output is correct
98	Correct	76 ms	470412 KB	Output is correct
99	Correct	49 ms	470412 KB	Output is correct
100	Correct	76 ms	470412 KB	Output is correct
101	Correct	56 ms	470412 KB	Output is correct
102	Correct	66 ms	470412 KB	Output is correct
103	Correct	39 ms	470412 KB	Output is correct
104	Correct	79 ms	470412 KB	Output is correct
105	Correct	36 ms	470412 KB	Output is correct
106	Correct	56 ms	470412 KB	Output is correct
107	Correct	33 ms	470412 KB	Output is correct
108	Correct	59 ms	470412 KB	Output is correct
109	Correct	19 ms	470412 KB	Output is correct
110	Correct	53 ms	470412 KB	Output is correct
111	Correct	0 ms	470412 KB	Output is correct
112	Correct	0 ms	470412 KB	Output is correct
113	Correct	0 ms	470412 KB	Output is correct
114	Correct	0 ms	470412 KB	Output is correct
115	Correct	0 ms	470412 KB	Output is correct
116	Correct	0 ms	470412 KB	Output is correct
117	Correct	0 ms	470412 KB	Output is correct
118	Correct	0 ms	470412 KB	Output is correct
119	Correct	0 ms	470412 KB	Output is correct
120	Correct	0 ms	470412 KB	Output is correct

답안 #22327

Compilation message

Subtask #1 2.0 / 2.0

Subtask #2 5.0 / 5.0

Subtask #1
2.0 / 2.0

Subtask #2
5.0 / 5.0