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답안 #792404

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
792404 2023-07-25T04:17:17 Z 박상훈(#10052) Binaria (CCO23_day1problem1) C++17
25 / 25
 191 ms 70840 KB 
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

constexpr int MOD = 1e6 + 3;
int S[1001000];
vector<int> V[1001000];
ll fact[1001000], factINV[1001000];

void NO(){
	printf("0\n");
	exit(1);
}

ll pw(ll a, ll e){
	if (!e) return 1;
	ll ret = pw(a, e/2);
	if (e&1) return ret * ret % MOD * a % MOD;
	return ret * ret % MOD;
}

ll ncr(int n, int r){
	// printf("ok %d %d\n", n, r);
	fact[0] = 1;
	for (int i=1;i<=n;i++) fact[i] = fact[i-1] * i % MOD;
	for (int i=0;i<=n;i++) factINV[i] = pw(fact[i], MOD-2);
	return fact[n] * factINV[r] % MOD * factINV[n-r] % MOD;
}

int main(){
	int n, k;
	scanf("%d %d", &n, &k);

	for (int i=1;i<=n-k+1;i++) scanf("%d", S+i);
	for (int i=0;i<k;i++) V[i].push_back(-1);

	for (int i=1;i<=n-k;i++){
		if (S[i]==S[i+1]){
			if (V[i%k].back()==-1) V[i%k].push_back(-1);
			else V[i%k].push_back(V[i%k].back());
		} 
		else if (S[i]+1 == S[i+1]){
			if (V[i%k].back()==1) NO();
			if (V[i%k].back()==-1){
				for (auto &x:V[i%k]) x = 0;
			}
			V[i%k].push_back(1);
		}
		else if (S[i] == S[i+1]+1){
			if (V[i%k].back()==0) NO();
			if (V[i%k].back()==-1){
				for (auto &x:V[i%k]) x = 1;
			}
			V[i%k].push_back(0);
		}

		else NO();
	}

	// for (int i=0;i<k;i++){
	// 	printf("%d: ", i);
	// 	for (auto &x:V[i]) printf("%d ", x);
	// 	printf("\n");
	// }

	int mn = 0, mx = 0;
	for (int i=0;i<k;i++){
		if (V[i][0]==1) mn++, mx++;
		else if (V[i][0]==-1) mx++;
	}

	if (mn <= S[1] && S[1] <= mx){
		int N = mx - mn;
		int R = S[1] - mn;
		printf("%lld\n", ncr(N, R));
	}
	else NO();
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:33:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |  scanf("%d %d", &n, &k);
      |  ~~~~~^~~~~~~~~~~~~~~~~
Main.cpp:35:34: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 |  for (int i=1;i<=n-k+1;i++) scanf("%d", S+i);
      |                             ~~~~~^~~~~~~~~~~

Subtask #1
3.0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 12 ms 23828 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Correct 14 ms 23764 KB Output is correct
5 Correct 13 ms 23748 KB Output is correct
6 Correct 12 ms 23764 KB Output is correct
7 Correct 13 ms 23784 KB Output is correct
8 Correct 12 ms 23760 KB Output is correct
9 Correct 12 ms 23764 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 14 ms 23764 KB Output is correct

Subtask #2
3.0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 12 ms 23828 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Correct 14 ms 23764 KB Output is correct
5 Correct 13 ms 23748 KB Output is correct
6 Correct 12 ms 23764 KB Output is correct
7 Correct 13 ms 23784 KB Output is correct
8 Correct 12 ms 23760 KB Output is correct
9 Correct 12 ms 23764 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 14 ms 23764 KB Output is correct
13 Correct 12 ms 23784 KB Output is correct
14 Correct 12 ms 23712 KB Output is correct
15 Correct 11 ms 23784 KB Output is correct
16 Correct 11 ms 23804 KB Output is correct
17 Correct 15 ms 23820 KB Output is correct
18 Correct 13 ms 23764 KB Output is correct
19 Correct 12 ms 23764 KB Output is correct
20 Correct 12 ms 23764 KB Output is correct
21 Correct 13 ms 23772 KB Output is correct

Subtask #3
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 12 ms 23828 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Correct 14 ms 23764 KB Output is correct
5 Correct 13 ms 23748 KB Output is correct
6 Correct 12 ms 23764 KB Output is correct
7 Correct 13 ms 23784 KB Output is correct
8 Correct 12 ms 23760 KB Output is correct
9 Correct 12 ms 23764 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 14 ms 23764 KB Output is correct
13 Correct 12 ms 23784 KB Output is correct
14 Correct 12 ms 23712 KB Output is correct
15 Correct 11 ms 23784 KB Output is correct
16 Correct 11 ms 23804 KB Output is correct
17 Correct 15 ms 23820 KB Output is correct
18 Correct 13 ms 23764 KB Output is correct
19 Correct 12 ms 23764 KB Output is correct
20 Correct 12 ms 23764 KB Output is correct
21 Correct 13 ms 23772 KB Output is correct
22 Correct 12 ms 23768 KB Output is correct
23 Correct 11 ms 23740 KB Output is correct
24 Correct 14 ms 23764 KB Output is correct
25 Correct 11 ms 23764 KB Output is correct
26 Correct 14 ms 23796 KB Output is correct
27 Correct 13 ms 23724 KB Output is correct
28 Correct 11 ms 23780 KB Output is correct
29 Correct 11 ms 23784 KB Output is correct
30 Correct 14 ms 23844 KB Output is correct
31 Correct 14 ms 23840 KB Output is correct
32 Correct 12 ms 23832 KB Output is correct
33 Correct 12 ms 23764 KB Output is correct
34 Correct 11 ms 23764 KB Output is correct

Subtask #4
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 12 ms 23828 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Correct 14 ms 23764 KB Output is correct
5 Correct 13 ms 23748 KB Output is correct
6 Correct 12 ms 23764 KB Output is correct
7 Correct 13 ms 23784 KB Output is correct
8 Correct 12 ms 23760 KB Output is correct
9 Correct 12 ms 23764 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 14 ms 23764 KB Output is correct
13 Correct 12 ms 23784 KB Output is correct
14 Correct 12 ms 23712 KB Output is correct
15 Correct 11 ms 23784 KB Output is correct
16 Correct 11 ms 23804 KB Output is correct
17 Correct 15 ms 23820 KB Output is correct
18 Correct 13 ms 23764 KB Output is correct
19 Correct 12 ms 23764 KB Output is correct
20 Correct 12 ms 23764 KB Output is correct
21 Correct 13 ms 23772 KB Output is correct
22 Correct 12 ms 23768 KB Output is correct
23 Correct 11 ms 23740 KB Output is correct
24 Correct 14 ms 23764 KB Output is correct
25 Correct 11 ms 23764 KB Output is correct
26 Correct 14 ms 23796 KB Output is correct
27 Correct 13 ms 23724 KB Output is correct
28 Correct 11 ms 23780 KB Output is correct
29 Correct 11 ms 23784 KB Output is correct
30 Correct 14 ms 23844 KB Output is correct
31 Correct 14 ms 23840 KB Output is correct
32 Correct 12 ms 23832 KB Output is correct
33 Correct 12 ms 23764 KB Output is correct
34 Correct 11 ms 23764 KB Output is correct
35 Correct 92 ms 31932 KB Output is correct
36 Correct 80 ms 31952 KB Output is correct
37 Correct 83 ms 32044 KB Output is correct
38 Correct 94 ms 32016 KB Output is correct
39 Correct 91 ms 32040 KB Output is correct
40 Correct 90 ms 31968 KB Output is correct
41 Correct 88 ms 31932 KB Output is correct
42 Correct 80 ms 31844 KB Output is correct
43 Correct 78 ms 32112 KB Output is correct
44 Correct 81 ms 31912 KB Output is correct
45 Correct 81 ms 31928 KB Output is correct
46 Correct 98 ms 31932 KB Output is correct
47 Correct 87 ms 31740 KB Output is correct
48 Correct 84 ms 31932 KB Output is correct
49 Correct 80 ms 31956 KB Output is correct

Subtask #5
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 12 ms 23828 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Correct 14 ms 23764 KB Output is correct
5 Correct 13 ms 23748 KB Output is correct
6 Correct 12 ms 23764 KB Output is correct
7 Correct 13 ms 23784 KB Output is correct
8 Correct 12 ms 23760 KB Output is correct
9 Correct 12 ms 23764 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 14 ms 23764 KB Output is correct
13 Correct 12 ms 23784 KB Output is correct
14 Correct 12 ms 23712 KB Output is correct
15 Correct 11 ms 23784 KB Output is correct
16 Correct 11 ms 23804 KB Output is correct
17 Correct 15 ms 23820 KB Output is correct
18 Correct 13 ms 23764 KB Output is correct
19 Correct 12 ms 23764 KB Output is correct
20 Correct 12 ms 23764 KB Output is correct
21 Correct 13 ms 23772 KB Output is correct
22 Correct 12 ms 23768 KB Output is correct
23 Correct 11 ms 23740 KB Output is correct
24 Correct 14 ms 23764 KB Output is correct
25 Correct 11 ms 23764 KB Output is correct
26 Correct 14 ms 23796 KB Output is correct
27 Correct 13 ms 23724 KB Output is correct
28 Correct 11 ms 23780 KB Output is correct
29 Correct 11 ms 23784 KB Output is correct
30 Correct 14 ms 23844 KB Output is correct
31 Correct 14 ms 23840 KB Output is correct
32 Correct 12 ms 23832 KB Output is correct
33 Correct 12 ms 23764 KB Output is correct
34 Correct 11 ms 23764 KB Output is correct
35 Correct 92 ms 31932 KB Output is correct
36 Correct 80 ms 31952 KB Output is correct
37 Correct 83 ms 32044 KB Output is correct
38 Correct 94 ms 32016 KB Output is correct
39 Correct 91 ms 32040 KB Output is correct
40 Correct 90 ms 31968 KB Output is correct
41 Correct 88 ms 31932 KB Output is correct
42 Correct 80 ms 31844 KB Output is correct
43 Correct 78 ms 32112 KB Output is correct
44 Correct 81 ms 31912 KB Output is correct
45 Correct 81 ms 31928 KB Output is correct
46 Correct 98 ms 31932 KB Output is correct
47 Correct 87 ms 31740 KB Output is correct
48 Correct 84 ms 31932 KB Output is correct
49 Correct 80 ms 31956 KB Output is correct
50 Correct 90 ms 33856 KB Output is correct
51 Correct 112 ms 33748 KB Output is correct
52 Correct 96 ms 33792 KB Output is correct
53 Correct 90 ms 33700 KB Output is correct
54 Correct 104 ms 33740 KB Output is correct
55 Correct 88 ms 33836 KB Output is correct
56 Correct 93 ms 33760 KB Output is correct
57 Correct 96 ms 33896 KB Output is correct
58 Correct 87 ms 33852 KB Output is correct
59 Correct 107 ms 33780 KB Output is correct
60 Correct 86 ms 33056 KB Output is correct

Subtask #6
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 23764 KB Output is correct
2 Correct 12 ms 23828 KB Output is correct
3 Correct 11 ms 23764 KB Output is correct
4 Correct 14 ms 23764 KB Output is correct
5 Correct 13 ms 23748 KB Output is correct
6 Correct 12 ms 23764 KB Output is correct
7 Correct 13 ms 23784 KB Output is correct
8 Correct 12 ms 23760 KB Output is correct
9 Correct 12 ms 23764 KB Output is correct
10 Correct 12 ms 23764 KB Output is correct
11 Correct 13 ms 23764 KB Output is correct
12 Correct 14 ms 23764 KB Output is correct
13 Correct 12 ms 23784 KB Output is correct
14 Correct 12 ms 23712 KB Output is correct
15 Correct 11 ms 23784 KB Output is correct
16 Correct 11 ms 23804 KB Output is correct
17 Correct 15 ms 23820 KB Output is correct
18 Correct 13 ms 23764 KB Output is correct
19 Correct 12 ms 23764 KB Output is correct
20 Correct 12 ms 23764 KB Output is correct
21 Correct 13 ms 23772 KB Output is correct
22 Correct 12 ms 23768 KB Output is correct
23 Correct 11 ms 23740 KB Output is correct
24 Correct 14 ms 23764 KB Output is correct
25 Correct 11 ms 23764 KB Output is correct
26 Correct 14 ms 23796 KB Output is correct
27 Correct 13 ms 23724 KB Output is correct
28 Correct 11 ms 23780 KB Output is correct
29 Correct 11 ms 23784 KB Output is correct
30 Correct 14 ms 23844 KB Output is correct
31 Correct 14 ms 23840 KB Output is correct
32 Correct 12 ms 23832 KB Output is correct
33 Correct 12 ms 23764 KB Output is correct
34 Correct 11 ms 23764 KB Output is correct
35 Correct 92 ms 31932 KB Output is correct
36 Correct 80 ms 31952 KB Output is correct
37 Correct 83 ms 32044 KB Output is correct
38 Correct 94 ms 32016 KB Output is correct
39 Correct 91 ms 32040 KB Output is correct
40 Correct 90 ms 31968 KB Output is correct
41 Correct 88 ms 31932 KB Output is correct
42 Correct 80 ms 31844 KB Output is correct
43 Correct 78 ms 32112 KB Output is correct
44 Correct 81 ms 31912 KB Output is correct
45 Correct 81 ms 31928 KB Output is correct
46 Correct 98 ms 31932 KB Output is correct
47 Correct 87 ms 31740 KB Output is correct
48 Correct 84 ms 31932 KB Output is correct
49 Correct 80 ms 31956 KB Output is correct
50 Correct 90 ms 33856 KB Output is correct
51 Correct 112 ms 33748 KB Output is correct
52 Correct 96 ms 33792 KB Output is correct
53 Correct 90 ms 33700 KB Output is correct
54 Correct 104 ms 33740 KB Output is correct
55 Correct 88 ms 33836 KB Output is correct
56 Correct 93 ms 33760 KB Output is correct
57 Correct 96 ms 33896 KB Output is correct
58 Correct 87 ms 33852 KB Output is correct
59 Correct 107 ms 33780 KB Output is correct
60 Correct 86 ms 33056 KB Output is correct
61 Correct 188 ms 70840 KB Output is correct
62 Correct 191 ms 70724 KB Output is correct
63 Correct 174 ms 70664 KB Output is correct
64 Correct 168 ms 70756 KB Output is correct
65 Correct 135 ms 48856 KB Output is correct
66 Correct 140 ms 54768 KB Output is correct
67 Correct 112 ms 38092 KB Output is correct
68 Correct 170 ms 66832 KB Output is correct
69 Correct 171 ms 70672 KB Output is correct
70 Correct 167 ms 70744 KB Output is correct
71 Correct 168 ms 70716 KB Output is correct