답안 #468312

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
468312	2021-08-27T15:03:32 Z	warner1129	Amusement Park (CEOI19_amusementpark)	C++17	100 / 100	359 ms	39364 KB

amusementpark

#include <bits/stdc++.h>

#define ff first
#define ss second

using namespace std;

template <uint32_t mod> struct modint {
	uint32_t val;
public:
	static modint raw(int v) { modint x; x.val = v; return x; }
	modint() : val(0) {}
	template <class T>
	modint(T v) { int64_t x = (int64_t)(v%(int64_t)(mod)); if (x < 0) x += mod; val = (uint32_t)(x); }
	modint(bool v) { val = ((unsigned int)(v) % mod); }
	modint& operator++() { val++; if (val == mod) val = 0; return *this; }
	modint& operator--() { if (val == 0) val = mod; val--; return *this; }
	modint operator++(int) { modint result = *this; ++*this; return result; }
	modint operator--(int) { modint result = *this; --*this; return result; }
	modint& operator+=(const modint& rhs) { val += rhs.val; if (val >= mod) val -= mod; return *this; }
	modint& operator-=(const modint& rhs) { val -= rhs.val; if (val >= mod) val += mod; return *this; }
	modint& operator*=(const modint& rhs) { uint64_t z = val; z *= rhs.val; val = (uint32_t)(z % mod); return *this; }
	modint& operator/=(const modint& rhs) { return *this = *this * rhs.inv(); }
	modint operator+() const { return *this; }
	modint operator-() const { return modint() - *this; }
	modint pow(long long n) const { modint x = *this, r = 1; while (n) { if (n & 1) r *= x; x *= x; n >>= 1; } return r; }
	modint inv() const { return pow(mod-2); }
	friend modint operator+(const modint& lhs, const modint& rhs) { return modint(lhs) += rhs; }
	friend modint operator-(const modint& lhs, const modint& rhs) { return modint(lhs) -= rhs; }
	friend modint operator*(const modint& lhs, const modint& rhs) { return modint(lhs) *= rhs; }
	friend modint operator/(const modint& lhs, const modint& rhs) { return modint(lhs) /= rhs; }
	friend bool operator==(const modint& lhs, const modint& rhs) { return lhs.val == rhs.val; }
	friend bool operator!=(const modint& lhs, const modint& rhs) { return lhs.val != rhs.val; }
};

using mint = modint<998244353>;

const int maxn = 18;

mint g[1<<maxn][maxn+1], ig[1<<maxn][maxn+1];
int edge[maxn * maxn];
int n, m, lim;

bool check(const int &s) {
	for (int i = 1; i <= m; i++)
		if ((s & edge[i]) == edge[i])
			return false;
	return true;
}

void FWT() {
	for (int i = 1; i < lim; i<<=1)
		for (int j = 0; j < lim; j += (i<<1))
			for (int k = 0; k < i; k++)
				for (int p = 0; p <= n; p++)
					g[i | j | k][p] += g[j | k][p];
}

void INV() {
	for (int s = 1; s < lim; s++) {
		mint inv = ig[s][0] = g[s][0].inv();
		for (int i = 1; i <= n; i++) {
			for (int j = 0; j < i; j++)
				ig[s][i] -= ig[s][j] * g[s][i-j];
			ig[s][i] *= inv;
		}
	}
}

void IFWT() {
	for (int i = 1; i < lim; i<<=1)
		for (int j = 0; j < lim; j += (i<<1))
			for (int k = 0; k < i; k++)
				for (int p = 0; p <= n; p++)
					ig[i | j | k][p] -= ig[j | k][p];
}

void solve() {
	cin >> n >> m;
	lim = (1<<n);
	for (int i = 1, x, y; i <= m; i++)
		cin >> x >> y, --x, --y, edge[i] = ((1<<x) | (1<<y));
	g[0][0] = 1;
	for (int s = 1, cnt; s < lim; s++)
		if (check(s)) g[s][cnt] = (((cnt = __builtin_popcount(s)) & 1) ? mint(-1) : mint(1));
	FWT();
	INV();
	IFWT();	
	cout << (ig[lim-1][n] * mint(m) * mint(499122177)).val << '\n';
}

signed main() {
	ios::sync_with_stdio(false), cin.tie(0), cout.tie(0);
	solve();
	return 0;
}

Compilation message

amusementpark.cpp: In function 'void solve()':
amusementpark.cpp:85:36: warning: operation on 'cnt' may be undefined [-Wsequence-point]
   85 |   if (check(s)) g[s][cnt] = (((cnt = __builtin_popcount(s)) & 1) ? mint(-1) : mint(1));
      |                               ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	18 ms	39180 KB	Output is correct
2	Correct	17 ms	39248 KB	Output is correct
3	Correct	17 ms	39244 KB	Output is correct
4	Correct	16 ms	39244 KB	Output is correct
5	Correct	18 ms	39184 KB	Output is correct
6	Correct	17 ms	39304 KB	Output is correct
7	Correct	18 ms	39244 KB	Output is correct
8	Correct	18 ms	39232 KB	Output is correct

Subtask #2
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	18 ms	39180 KB	Output is correct
2	Correct	17 ms	39248 KB	Output is correct
3	Correct	17 ms	39244 KB	Output is correct
4	Correct	16 ms	39244 KB	Output is correct
5	Correct	18 ms	39184 KB	Output is correct
6	Correct	17 ms	39304 KB	Output is correct
7	Correct	18 ms	39244 KB	Output is correct
8	Correct	18 ms	39232 KB	Output is correct
9	Correct	18 ms	39312 KB	Output is correct
10	Correct	17 ms	39244 KB	Output is correct
11	Correct	18 ms	39304 KB	Output is correct
12	Correct	18 ms	39228 KB	Output is correct
13	Correct	19 ms	39300 KB	Output is correct
14	Correct	19 ms	39248 KB	Output is correct
15	Correct	18 ms	39204 KB	Output is correct
16	Correct	18 ms	39296 KB	Output is correct
17	Correct	18 ms	39244 KB	Output is correct
18	Correct	18 ms	39224 KB	Output is correct
19	Correct	18 ms	39264 KB	Output is correct
20	Correct	19 ms	39224 KB	Output is correct
21	Correct	18 ms	39244 KB	Output is correct
22	Correct	18 ms	39188 KB	Output is correct
23	Correct	19 ms	39300 KB	Output is correct
24	Correct	17 ms	39272 KB	Output is correct

Subtask #3
23.0 / 23.0

#	결과	실행 시간	메모리	Grader output
1	Correct	18 ms	39180 KB	Output is correct
2	Correct	17 ms	39248 KB	Output is correct
3	Correct	17 ms	39244 KB	Output is correct
4	Correct	16 ms	39244 KB	Output is correct
5	Correct	18 ms	39184 KB	Output is correct
6	Correct	17 ms	39304 KB	Output is correct
7	Correct	18 ms	39244 KB	Output is correct
8	Correct	18 ms	39232 KB	Output is correct
9	Correct	18 ms	39312 KB	Output is correct
10	Correct	17 ms	39244 KB	Output is correct
11	Correct	18 ms	39304 KB	Output is correct
12	Correct	18 ms	39228 KB	Output is correct
13	Correct	19 ms	39300 KB	Output is correct
14	Correct	19 ms	39248 KB	Output is correct
15	Correct	18 ms	39204 KB	Output is correct
16	Correct	18 ms	39296 KB	Output is correct
17	Correct	18 ms	39244 KB	Output is correct
18	Correct	18 ms	39224 KB	Output is correct
19	Correct	18 ms	39264 KB	Output is correct
20	Correct	19 ms	39224 KB	Output is correct
21	Correct	18 ms	39244 KB	Output is correct
22	Correct	18 ms	39188 KB	Output is correct
23	Correct	19 ms	39300 KB	Output is correct
24	Correct	17 ms	39272 KB	Output is correct
25	Correct	17 ms	39244 KB	Output is correct
26	Correct	18 ms	39296 KB	Output is correct
27	Correct	19 ms	39244 KB	Output is correct
28	Correct	18 ms	39200 KB	Output is correct
29	Correct	18 ms	39244 KB	Output is correct
30	Correct	18 ms	39236 KB	Output is correct
31	Correct	18 ms	39244 KB	Output is correct
32	Correct	18 ms	39304 KB	Output is correct
33	Correct	19 ms	39288 KB	Output is correct
34	Correct	19 ms	39244 KB	Output is correct
35	Correct	18 ms	39224 KB	Output is correct
36	Correct	19 ms	39244 KB	Output is correct
37	Correct	18 ms	39304 KB	Output is correct
38	Correct	18 ms	39244 KB	Output is correct
39	Correct	19 ms	39248 KB	Output is correct
40	Correct	19 ms	39260 KB	Output is correct
41	Correct	19 ms	39232 KB	Output is correct
42	Correct	19 ms	39272 KB	Output is correct
43	Correct	18 ms	39308 KB	Output is correct
44	Correct	18 ms	39244 KB	Output is correct
45	Correct	18 ms	39304 KB	Output is correct
46	Correct	18 ms	39284 KB	Output is correct
47	Correct	19 ms	39244 KB	Output is correct
48	Correct	18 ms	39304 KB	Output is correct
49	Correct	19 ms	39236 KB	Output is correct
50	Correct	19 ms	39216 KB	Output is correct
51	Correct	18 ms	39244 KB	Output is correct
52	Correct	18 ms	39260 KB	Output is correct
53	Correct	18 ms	39300 KB	Output is correct
54	Correct	18 ms	39232 KB	Output is correct
55	Correct	18 ms	39244 KB	Output is correct
56	Correct	18 ms	39272 KB	Output is correct
57	Correct	19 ms	39300 KB	Output is correct
58	Correct	19 ms	39244 KB	Output is correct
59	Correct	18 ms	39236 KB	Output is correct
60	Correct	19 ms	39276 KB	Output is correct
61	Correct	18 ms	39244 KB	Output is correct
62	Correct	18 ms	39192 KB	Output is correct
63	Correct	18 ms	39244 KB	Output is correct
64	Correct	19 ms	39208 KB	Output is correct

Subtask #4
21.0 / 21.0

#	결과	실행 시간	메모리	Grader output
1	Correct	18 ms	39180 KB	Output is correct
2	Correct	17 ms	39248 KB	Output is correct
3	Correct	17 ms	39244 KB	Output is correct
4	Correct	16 ms	39244 KB	Output is correct
5	Correct	18 ms	39184 KB	Output is correct
6	Correct	17 ms	39304 KB	Output is correct
7	Correct	18 ms	39244 KB	Output is correct
8	Correct	18 ms	39232 KB	Output is correct
9	Correct	18 ms	39312 KB	Output is correct
10	Correct	17 ms	39244 KB	Output is correct
11	Correct	18 ms	39304 KB	Output is correct
12	Correct	18 ms	39228 KB	Output is correct
13	Correct	19 ms	39300 KB	Output is correct
14	Correct	19 ms	39248 KB	Output is correct
15	Correct	18 ms	39204 KB	Output is correct
16	Correct	18 ms	39296 KB	Output is correct
17	Correct	18 ms	39244 KB	Output is correct
18	Correct	18 ms	39224 KB	Output is correct
19	Correct	18 ms	39264 KB	Output is correct
20	Correct	19 ms	39224 KB	Output is correct
21	Correct	18 ms	39244 KB	Output is correct
22	Correct	18 ms	39188 KB	Output is correct
23	Correct	19 ms	39300 KB	Output is correct
24	Correct	17 ms	39272 KB	Output is correct
25	Correct	17 ms	39244 KB	Output is correct
26	Correct	18 ms	39296 KB	Output is correct
27	Correct	19 ms	39244 KB	Output is correct
28	Correct	18 ms	39200 KB	Output is correct
29	Correct	18 ms	39244 KB	Output is correct
30	Correct	18 ms	39236 KB	Output is correct
31	Correct	18 ms	39244 KB	Output is correct
32	Correct	18 ms	39304 KB	Output is correct
33	Correct	19 ms	39288 KB	Output is correct
34	Correct	19 ms	39244 KB	Output is correct
35	Correct	18 ms	39224 KB	Output is correct
36	Correct	19 ms	39244 KB	Output is correct
37	Correct	18 ms	39304 KB	Output is correct
38	Correct	18 ms	39244 KB	Output is correct
39	Correct	19 ms	39248 KB	Output is correct
40	Correct	19 ms	39260 KB	Output is correct
41	Correct	19 ms	39232 KB	Output is correct
42	Correct	19 ms	39272 KB	Output is correct
43	Correct	18 ms	39308 KB	Output is correct
44	Correct	18 ms	39244 KB	Output is correct
45	Correct	18 ms	39304 KB	Output is correct
46	Correct	18 ms	39284 KB	Output is correct
47	Correct	19 ms	39244 KB	Output is correct
48	Correct	18 ms	39304 KB	Output is correct
49	Correct	19 ms	39236 KB	Output is correct
50	Correct	19 ms	39216 KB	Output is correct
51	Correct	18 ms	39244 KB	Output is correct
52	Correct	18 ms	39260 KB	Output is correct
53	Correct	18 ms	39300 KB	Output is correct
54	Correct	18 ms	39232 KB	Output is correct
55	Correct	18 ms	39244 KB	Output is correct
56	Correct	18 ms	39272 KB	Output is correct
57	Correct	19 ms	39300 KB	Output is correct
58	Correct	19 ms	39244 KB	Output is correct
59	Correct	18 ms	39236 KB	Output is correct
60	Correct	19 ms	39276 KB	Output is correct
61	Correct	18 ms	39244 KB	Output is correct
62	Correct	18 ms	39192 KB	Output is correct
63	Correct	18 ms	39244 KB	Output is correct
64	Correct	19 ms	39208 KB	Output is correct
65	Correct	30 ms	39244 KB	Output is correct
66	Correct	30 ms	39244 KB	Output is correct
67	Correct	30 ms	39276 KB	Output is correct
68	Correct	30 ms	39304 KB	Output is correct
69	Correct	30 ms	39308 KB	Output is correct
70	Correct	30 ms	39284 KB	Output is correct
71	Correct	30 ms	39244 KB	Output is correct
72	Correct	31 ms	39236 KB	Output is correct
73	Correct	30 ms	39244 KB	Output is correct
74	Correct	31 ms	39188 KB	Output is correct
75	Correct	30 ms	39228 KB	Output is correct
76	Correct	30 ms	39244 KB	Output is correct
77	Correct	46 ms	39244 KB	Output is correct
78	Correct	47 ms	39272 KB	Output is correct
79	Correct	45 ms	39244 KB	Output is correct
80	Correct	47 ms	39244 KB	Output is correct
81	Correct	46 ms	39244 KB	Output is correct
82	Correct	47 ms	39280 KB	Output is correct
83	Correct	46 ms	39184 KB	Output is correct
84	Correct	47 ms	39220 KB	Output is correct
85	Correct	47 ms	39244 KB	Output is correct
86	Correct	46 ms	39284 KB	Output is correct
87	Correct	47 ms	39244 KB	Output is correct
88	Correct	46 ms	39208 KB	Output is correct
89	Correct	48 ms	39284 KB	Output is correct
90	Correct	45 ms	39244 KB	Output is correct
91	Correct	45 ms	39244 KB	Output is correct
92	Correct	46 ms	39280 KB	Output is correct

Subtask #5
37.0 / 37.0

#	결과	실행 시간	메모리	Grader output
1	Correct	18 ms	39180 KB	Output is correct
2	Correct	17 ms	39248 KB	Output is correct
3	Correct	17 ms	39244 KB	Output is correct
4	Correct	16 ms	39244 KB	Output is correct
5	Correct	18 ms	39184 KB	Output is correct
6	Correct	17 ms	39304 KB	Output is correct
7	Correct	18 ms	39244 KB	Output is correct
8	Correct	18 ms	39232 KB	Output is correct
9	Correct	18 ms	39312 KB	Output is correct
10	Correct	17 ms	39244 KB	Output is correct
11	Correct	18 ms	39304 KB	Output is correct
12	Correct	18 ms	39228 KB	Output is correct
13	Correct	19 ms	39300 KB	Output is correct
14	Correct	19 ms	39248 KB	Output is correct
15	Correct	18 ms	39204 KB	Output is correct
16	Correct	18 ms	39296 KB	Output is correct
17	Correct	18 ms	39244 KB	Output is correct
18	Correct	18 ms	39224 KB	Output is correct
19	Correct	18 ms	39264 KB	Output is correct
20	Correct	19 ms	39224 KB	Output is correct
21	Correct	18 ms	39244 KB	Output is correct
22	Correct	18 ms	39188 KB	Output is correct
23	Correct	19 ms	39300 KB	Output is correct
24	Correct	17 ms	39272 KB	Output is correct
25	Correct	17 ms	39244 KB	Output is correct
26	Correct	18 ms	39296 KB	Output is correct
27	Correct	19 ms	39244 KB	Output is correct
28	Correct	18 ms	39200 KB	Output is correct
29	Correct	18 ms	39244 KB	Output is correct
30	Correct	18 ms	39236 KB	Output is correct
31	Correct	18 ms	39244 KB	Output is correct
32	Correct	18 ms	39304 KB	Output is correct
33	Correct	19 ms	39288 KB	Output is correct
34	Correct	19 ms	39244 KB	Output is correct
35	Correct	18 ms	39224 KB	Output is correct
36	Correct	19 ms	39244 KB	Output is correct
37	Correct	18 ms	39304 KB	Output is correct
38	Correct	18 ms	39244 KB	Output is correct
39	Correct	19 ms	39248 KB	Output is correct
40	Correct	19 ms	39260 KB	Output is correct
41	Correct	19 ms	39232 KB	Output is correct
42	Correct	19 ms	39272 KB	Output is correct
43	Correct	18 ms	39308 KB	Output is correct
44	Correct	18 ms	39244 KB	Output is correct
45	Correct	18 ms	39304 KB	Output is correct
46	Correct	18 ms	39284 KB	Output is correct
47	Correct	19 ms	39244 KB	Output is correct
48	Correct	18 ms	39304 KB	Output is correct
49	Correct	19 ms	39236 KB	Output is correct
50	Correct	19 ms	39216 KB	Output is correct
51	Correct	18 ms	39244 KB	Output is correct
52	Correct	18 ms	39260 KB	Output is correct
53	Correct	18 ms	39300 KB	Output is correct
54	Correct	18 ms	39232 KB	Output is correct
55	Correct	18 ms	39244 KB	Output is correct
56	Correct	18 ms	39272 KB	Output is correct
57	Correct	19 ms	39300 KB	Output is correct
58	Correct	19 ms	39244 KB	Output is correct
59	Correct	18 ms	39236 KB	Output is correct
60	Correct	19 ms	39276 KB	Output is correct
61	Correct	18 ms	39244 KB	Output is correct
62	Correct	18 ms	39192 KB	Output is correct
63	Correct	18 ms	39244 KB	Output is correct
64	Correct	19 ms	39208 KB	Output is correct
65	Correct	30 ms	39244 KB	Output is correct
66	Correct	30 ms	39244 KB	Output is correct
67	Correct	30 ms	39276 KB	Output is correct
68	Correct	30 ms	39304 KB	Output is correct
69	Correct	30 ms	39308 KB	Output is correct
70	Correct	30 ms	39284 KB	Output is correct
71	Correct	30 ms	39244 KB	Output is correct
72	Correct	31 ms	39236 KB	Output is correct
73	Correct	30 ms	39244 KB	Output is correct
74	Correct	31 ms	39188 KB	Output is correct
75	Correct	30 ms	39228 KB	Output is correct
76	Correct	30 ms	39244 KB	Output is correct
77	Correct	46 ms	39244 KB	Output is correct
78	Correct	47 ms	39272 KB	Output is correct
79	Correct	45 ms	39244 KB	Output is correct
80	Correct	47 ms	39244 KB	Output is correct
81	Correct	46 ms	39244 KB	Output is correct
82	Correct	47 ms	39280 KB	Output is correct
83	Correct	46 ms	39184 KB	Output is correct
84	Correct	47 ms	39220 KB	Output is correct
85	Correct	47 ms	39244 KB	Output is correct
86	Correct	46 ms	39284 KB	Output is correct
87	Correct	47 ms	39244 KB	Output is correct
88	Correct	46 ms	39208 KB	Output is correct
89	Correct	48 ms	39284 KB	Output is correct
90	Correct	45 ms	39244 KB	Output is correct
91	Correct	45 ms	39244 KB	Output is correct
92	Correct	46 ms	39280 KB	Output is correct
93	Correct	335 ms	39244 KB	Output is correct
94	Correct	326 ms	39244 KB	Output is correct
95	Correct	326 ms	39300 KB	Output is correct
96	Correct	336 ms	39364 KB	Output is correct
97	Correct	343 ms	39300 KB	Output is correct
98	Correct	341 ms	39296 KB	Output is correct
99	Correct	80 ms	39260 KB	Output is correct
100	Correct	83 ms	39244 KB	Output is correct
101	Correct	82 ms	39288 KB	Output is correct
102	Correct	82 ms	39292 KB	Output is correct
103	Correct	150 ms	39284 KB	Output is correct
104	Correct	155 ms	39244 KB	Output is correct
105	Correct	158 ms	39244 KB	Output is correct
106	Correct	163 ms	39244 KB	Output is correct
107	Correct	318 ms	39280 KB	Output is correct
108	Correct	341 ms	39284 KB	Output is correct
109	Correct	353 ms	39284 KB	Output is correct
110	Correct	347 ms	39232 KB	Output is correct
111	Correct	84 ms	39188 KB	Output is correct
112	Correct	84 ms	39244 KB	Output is correct
113	Correct	82 ms	39284 KB	Output is correct
114	Correct	81 ms	39204 KB	Output is correct
115	Correct	79 ms	39244 KB	Output is correct
116	Correct	78 ms	39176 KB	Output is correct
117	Correct	78 ms	39280 KB	Output is correct
118	Correct	79 ms	39244 KB	Output is correct
119	Correct	81 ms	39204 KB	Output is correct
120	Correct	80 ms	39180 KB	Output is correct
121	Correct	78 ms	39284 KB	Output is correct
122	Correct	168 ms	39364 KB	Output is correct
123	Correct	162 ms	39296 KB	Output is correct
124	Correct	165 ms	39184 KB	Output is correct
125	Correct	164 ms	39284 KB	Output is correct
126	Correct	166 ms	39280 KB	Output is correct
127	Correct	164 ms	39244 KB	Output is correct
128	Correct	161 ms	39292 KB	Output is correct
129	Correct	161 ms	39244 KB	Output is correct
130	Correct	158 ms	39288 KB	Output is correct
131	Correct	156 ms	39288 KB	Output is correct
132	Correct	161 ms	39364 KB	Output is correct
133	Correct	159 ms	39236 KB	Output is correct
134	Correct	150 ms	39244 KB	Output is correct
135	Correct	156 ms	39244 KB	Output is correct
136	Correct	162 ms	39352 KB	Output is correct
137	Correct	163 ms	39284 KB	Output is correct
138	Correct	153 ms	39296 KB	Output is correct
139	Correct	159 ms	39284 KB	Output is correct
140	Correct	160 ms	39280 KB	Output is correct
141	Correct	159 ms	39228 KB	Output is correct
142	Correct	352 ms	39296 KB	Output is correct
143	Correct	354 ms	39364 KB	Output is correct
144	Correct	338 ms	39176 KB	Output is correct
145	Correct	337 ms	39284 KB	Output is correct
146	Correct	332 ms	39280 KB	Output is correct
147	Correct	318 ms	39288 KB	Output is correct
148	Correct	359 ms	39284 KB	Output is correct
149	Correct	353 ms	39280 KB	Output is correct
150	Correct	346 ms	39244 KB	Output is correct
151	Correct	341 ms	39280 KB	Output is correct
152	Correct	349 ms	39280 KB	Output is correct
153	Correct	340 ms	39288 KB	Output is correct
154	Correct	339 ms	39364 KB	Output is correct
155	Correct	336 ms	39292 KB	Output is correct
156	Correct	320 ms	39284 KB	Output is correct
157	Correct	338 ms	39288 KB	Output is correct
158	Correct	339 ms	39364 KB	Output is correct
159	Correct	327 ms	39288 KB	Output is correct
160	Correct	336 ms	39244 KB	Output is correct
161	Correct	314 ms	39292 KB	Output is correct
162	Correct	328 ms	39364 KB	Output is correct
163	Correct	329 ms	39188 KB	Output is correct
164	Correct	332 ms	39288 KB	Output is correct
165	Correct	350 ms	39284 KB	Output is correct
166	Correct	331 ms	39280 KB	Output is correct
167	Correct	315 ms	39184 KB	Output is correct

답안 #468312

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 12.0 / 12.0

Subtask #3 23.0 / 23.0

Subtask #4 21.0 / 21.0

Subtask #5 37.0 / 37.0

Subtask #1
7.0 / 7.0

Subtask #2
12.0 / 12.0

Subtask #3
23.0 / 23.0

Subtask #4
21.0 / 21.0

Subtask #5
37.0 / 37.0