답안 #863302

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
863302	2023-10-20T02:24:49 Z	quandlm	Binaria (CCO23_day1problem1)	C++14	25 / 25	71 ms	24884 KB

Main

#include <bits/stdc++.h>
#define file(name)  if (fopen (name".inp", "r")) { freopen (name".inp", "r", stdin); freopen (name".out", "w", stdout); }
#define ll long long
#define FOR(i, a, b) for (int i = (a); i <= (b); ++i)
#define REP(i, a, b) for (int i = (a); i >= (b); --i)
#define pi pair<int,int>
#define ple tuple<int,int,int>
#define fi first
#define se second
#define ii make_pair
#define isz(a) ((int)a.size())
#define ALL(a) a.begin(), a.end()

using namespace std;

const int N = 1e6 + 10;
const int mod = 1e6 + 3;

int n,k,a[N],color[N],sz[N],lab[N],ifact[N];

void pre_calc () {
     ifact[0] = 1;
     FOR(i,1,n+10) {
         color[i] = -1;
         sz[i] = 1;
         lab[i] = i;
         ifact[i] = 1ll * ifact[i-1] * i % mod;
     }
}

int find (int u) {
    return (lab[u] == u ? u : lab[u] = find(lab[u]));
}

bool join (int u, int v) {
     u = find(u);
     v = find(v);
     if (u == v) return false;
     if (sz[u] < sz[v]) swap(u, v);
     lab[v] = u;
     sz[u] += sz[v];
     if (color[v] == -1) color[v] = color[u];
     return true;
}


int pow_mod (int a, int b) {
    if (b == 0) return 1;
    if (b == 1) return a;
    int res = pow_mod(a, b/2);
    res = 1ll * res * res % mod;
    if (b & 1) res = 1ll * res * a % mod;
    return res;
}

int C (int k, int n) {
    int A = ifact[n];
    int B = 1ll * ifact[n - k] * ifact[k] % mod;
    return 1ll * A * pow_mod(B, mod - 2) % mod;
}

int main () {
    file("dynamic");
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    cin >> n >> k;
    FOR(i,1,n-k+1) cin >> a[i];
    pre_calc();
    FOR(i,1,n-k) {
        if(a[i] == a[i+1]) {
           join(i, i + k);
        } else if (a[i] > a[i+1]) {
           color[find(i)] = 1;
           color[find(i + k)] = 0;
        } else {
           color[find(i)] = 0;
           color[find(i + k)] = 1;
        }
    }
    int cnt = 0;
    for (int i=1; i<=k; ++i) {
         int c = color[find(i)];
         if (c != -1) a[1] -= c;
         else ++cnt;
    }
    cout << C(a[1], cnt) << '\n';
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:2:60: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    2 | #define file(name)  if (fopen (name".inp", "r")) { freopen (name".inp", "r", stdin); freopen (name".out", "w", stdout); }
      |                                                    ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:63:5: note: in expansion of macro 'file'
   63 |     file("dynamic");
      |     ^~~~
Main.cpp:2:94: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    2 | #define file(name)  if (fopen (name".inp", "r")) { freopen (name".inp", "r", stdin); freopen (name".out", "w", stdout); }
      |                                                                                      ~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:63:5: note: in expansion of macro 'file'
   63 |     file("dynamic");
      |     ^~~~

Subtask #1
3.0 / 3.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	8540 KB	Output is correct
2	Correct	1 ms	8588 KB	Output is correct
3	Correct	1 ms	8792 KB	Output is correct
4	Correct	1 ms	8540 KB	Output is correct
5	Correct	1 ms	8540 KB	Output is correct
6	Correct	1 ms	8664 KB	Output is correct
7	Correct	1 ms	8540 KB	Output is correct
8	Correct	1 ms	8540 KB	Output is correct
9	Correct	1 ms	8660 KB	Output is correct
10	Correct	1 ms	8540 KB	Output is correct
11	Correct	2 ms	8540 KB	Output is correct
12	Correct	1 ms	8536 KB	Output is correct

Subtask #2
3.0 / 3.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	8540 KB	Output is correct
2	Correct	1 ms	8588 KB	Output is correct
3	Correct	1 ms	8792 KB	Output is correct
4	Correct	1 ms	8540 KB	Output is correct
5	Correct	1 ms	8540 KB	Output is correct
6	Correct	1 ms	8664 KB	Output is correct
7	Correct	1 ms	8540 KB	Output is correct
8	Correct	1 ms	8540 KB	Output is correct
9	Correct	1 ms	8660 KB	Output is correct
10	Correct	1 ms	8540 KB	Output is correct
11	Correct	2 ms	8540 KB	Output is correct
12	Correct	1 ms	8536 KB	Output is correct
13	Correct	1 ms	8540 KB	Output is correct
14	Correct	1 ms	8540 KB	Output is correct
15	Correct	1 ms	8540 KB	Output is correct
16	Correct	1 ms	8540 KB	Output is correct
17	Correct	1 ms	8536 KB	Output is correct
18	Correct	1 ms	8540 KB	Output is correct
19	Correct	1 ms	8540 KB	Output is correct
20	Correct	1 ms	8540 KB	Output is correct
21	Correct	1 ms	8540 KB	Output is correct

Subtask #3
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	8540 KB	Output is correct
2	Correct	1 ms	8588 KB	Output is correct
3	Correct	1 ms	8792 KB	Output is correct
4	Correct	1 ms	8540 KB	Output is correct
5	Correct	1 ms	8540 KB	Output is correct
6	Correct	1 ms	8664 KB	Output is correct
7	Correct	1 ms	8540 KB	Output is correct
8	Correct	1 ms	8540 KB	Output is correct
9	Correct	1 ms	8660 KB	Output is correct
10	Correct	1 ms	8540 KB	Output is correct
11	Correct	2 ms	8540 KB	Output is correct
12	Correct	1 ms	8536 KB	Output is correct
13	Correct	1 ms	8540 KB	Output is correct
14	Correct	1 ms	8540 KB	Output is correct
15	Correct	1 ms	8540 KB	Output is correct
16	Correct	1 ms	8540 KB	Output is correct
17	Correct	1 ms	8536 KB	Output is correct
18	Correct	1 ms	8540 KB	Output is correct
19	Correct	1 ms	8540 KB	Output is correct
20	Correct	1 ms	8540 KB	Output is correct
21	Correct	1 ms	8540 KB	Output is correct
22	Correct	2 ms	8680 KB	Output is correct
23	Correct	1 ms	8540 KB	Output is correct
24	Correct	1 ms	8540 KB	Output is correct
25	Correct	1 ms	8540 KB	Output is correct
26	Correct	1 ms	8540 KB	Output is correct
27	Correct	1 ms	8540 KB	Output is correct
28	Correct	1 ms	8540 KB	Output is correct
29	Correct	1 ms	8540 KB	Output is correct
30	Correct	1 ms	8668 KB	Output is correct
31	Correct	1 ms	8536 KB	Output is correct
32	Correct	1 ms	8540 KB	Output is correct
33	Correct	2 ms	8540 KB	Output is correct
34	Correct	1 ms	8644 KB	Output is correct

Subtask #4
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	8540 KB	Output is correct
2	Correct	1 ms	8588 KB	Output is correct
3	Correct	1 ms	8792 KB	Output is correct
4	Correct	1 ms	8540 KB	Output is correct
5	Correct	1 ms	8540 KB	Output is correct
6	Correct	1 ms	8664 KB	Output is correct
7	Correct	1 ms	8540 KB	Output is correct
8	Correct	1 ms	8540 KB	Output is correct
9	Correct	1 ms	8660 KB	Output is correct
10	Correct	1 ms	8540 KB	Output is correct
11	Correct	2 ms	8540 KB	Output is correct
12	Correct	1 ms	8536 KB	Output is correct
13	Correct	1 ms	8540 KB	Output is correct
14	Correct	1 ms	8540 KB	Output is correct
15	Correct	1 ms	8540 KB	Output is correct
16	Correct	1 ms	8540 KB	Output is correct
17	Correct	1 ms	8536 KB	Output is correct
18	Correct	1 ms	8540 KB	Output is correct
19	Correct	1 ms	8540 KB	Output is correct
20	Correct	1 ms	8540 KB	Output is correct
21	Correct	1 ms	8540 KB	Output is correct
22	Correct	2 ms	8680 KB	Output is correct
23	Correct	1 ms	8540 KB	Output is correct
24	Correct	1 ms	8540 KB	Output is correct
25	Correct	1 ms	8540 KB	Output is correct
26	Correct	1 ms	8540 KB	Output is correct
27	Correct	1 ms	8540 KB	Output is correct
28	Correct	1 ms	8540 KB	Output is correct
29	Correct	1 ms	8540 KB	Output is correct
30	Correct	1 ms	8668 KB	Output is correct
31	Correct	1 ms	8536 KB	Output is correct
32	Correct	1 ms	8540 KB	Output is correct
33	Correct	2 ms	8540 KB	Output is correct
34	Correct	1 ms	8644 KB	Output is correct
35	Correct	49 ms	21852 KB	Output is correct
36	Correct	57 ms	22624 KB	Output is correct
37	Correct	55 ms	22876 KB	Output is correct
38	Correct	54 ms	22708 KB	Output is correct
39	Correct	48 ms	21852 KB	Output is correct
40	Correct	54 ms	22940 KB	Output is correct
41	Correct	55 ms	22868 KB	Output is correct
42	Correct	49 ms	21840 KB	Output is correct
43	Correct	49 ms	21840 KB	Output is correct
44	Correct	53 ms	21932 KB	Output is correct
45	Correct	51 ms	21808 KB	Output is correct
46	Correct	50 ms	21964 KB	Output is correct
47	Correct	48 ms	21844 KB	Output is correct
48	Correct	54 ms	22848 KB	Output is correct
49	Correct	67 ms	22820 KB	Output is correct

Subtask #5
4.0 / 4.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	8540 KB	Output is correct
2	Correct	1 ms	8588 KB	Output is correct
3	Correct	1 ms	8792 KB	Output is correct
4	Correct	1 ms	8540 KB	Output is correct
5	Correct	1 ms	8540 KB	Output is correct
6	Correct	1 ms	8664 KB	Output is correct
7	Correct	1 ms	8540 KB	Output is correct
8	Correct	1 ms	8540 KB	Output is correct
9	Correct	1 ms	8660 KB	Output is correct
10	Correct	1 ms	8540 KB	Output is correct
11	Correct	2 ms	8540 KB	Output is correct
12	Correct	1 ms	8536 KB	Output is correct
13	Correct	1 ms	8540 KB	Output is correct
14	Correct	1 ms	8540 KB	Output is correct
15	Correct	1 ms	8540 KB	Output is correct
16	Correct	1 ms	8540 KB	Output is correct
17	Correct	1 ms	8536 KB	Output is correct
18	Correct	1 ms	8540 KB	Output is correct
19	Correct	1 ms	8540 KB	Output is correct
20	Correct	1 ms	8540 KB	Output is correct
21	Correct	1 ms	8540 KB	Output is correct
22	Correct	2 ms	8680 KB	Output is correct
23	Correct	1 ms	8540 KB	Output is correct
24	Correct	1 ms	8540 KB	Output is correct
25	Correct	1 ms	8540 KB	Output is correct
26	Correct	1 ms	8540 KB	Output is correct
27	Correct	1 ms	8540 KB	Output is correct
28	Correct	1 ms	8540 KB	Output is correct
29	Correct	1 ms	8540 KB	Output is correct
30	Correct	1 ms	8668 KB	Output is correct
31	Correct	1 ms	8536 KB	Output is correct
32	Correct	1 ms	8540 KB	Output is correct
33	Correct	2 ms	8540 KB	Output is correct
34	Correct	1 ms	8644 KB	Output is correct
35	Correct	49 ms	21852 KB	Output is correct
36	Correct	57 ms	22624 KB	Output is correct
37	Correct	55 ms	22876 KB	Output is correct
38	Correct	54 ms	22708 KB	Output is correct
39	Correct	48 ms	21852 KB	Output is correct
40	Correct	54 ms	22940 KB	Output is correct
41	Correct	55 ms	22868 KB	Output is correct
42	Correct	49 ms	21840 KB	Output is correct
43	Correct	49 ms	21840 KB	Output is correct
44	Correct	53 ms	21932 KB	Output is correct
45	Correct	51 ms	21808 KB	Output is correct
46	Correct	50 ms	21964 KB	Output is correct
47	Correct	48 ms	21844 KB	Output is correct
48	Correct	54 ms	22848 KB	Output is correct
49	Correct	67 ms	22820 KB	Output is correct
50	Correct	63 ms	24884 KB	Output is correct
51	Correct	63 ms	24660 KB	Output is correct
52	Correct	63 ms	24776 KB	Output is correct
53	Correct	65 ms	24644 KB	Output is correct
54	Correct	63 ms	24656 KB	Output is correct
55	Correct	65 ms	24680 KB	Output is correct
56	Correct	63 ms	24880 KB	Output is correct
57	Correct	60 ms	23892 KB	Output is correct
58	Correct	67 ms	24656 KB	Output is correct
59	Correct	63 ms	24632 KB	Output is correct
60	Correct	60 ms	23864 KB	Output is correct

Subtask #6
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	8540 KB	Output is correct
2	Correct	1 ms	8588 KB	Output is correct
3	Correct	1 ms	8792 KB	Output is correct
4	Correct	1 ms	8540 KB	Output is correct
5	Correct	1 ms	8540 KB	Output is correct
6	Correct	1 ms	8664 KB	Output is correct
7	Correct	1 ms	8540 KB	Output is correct
8	Correct	1 ms	8540 KB	Output is correct
9	Correct	1 ms	8660 KB	Output is correct
10	Correct	1 ms	8540 KB	Output is correct
11	Correct	2 ms	8540 KB	Output is correct
12	Correct	1 ms	8536 KB	Output is correct
13	Correct	1 ms	8540 KB	Output is correct
14	Correct	1 ms	8540 KB	Output is correct
15	Correct	1 ms	8540 KB	Output is correct
16	Correct	1 ms	8540 KB	Output is correct
17	Correct	1 ms	8536 KB	Output is correct
18	Correct	1 ms	8540 KB	Output is correct
19	Correct	1 ms	8540 KB	Output is correct
20	Correct	1 ms	8540 KB	Output is correct
21	Correct	1 ms	8540 KB	Output is correct
22	Correct	2 ms	8680 KB	Output is correct
23	Correct	1 ms	8540 KB	Output is correct
24	Correct	1 ms	8540 KB	Output is correct
25	Correct	1 ms	8540 KB	Output is correct
26	Correct	1 ms	8540 KB	Output is correct
27	Correct	1 ms	8540 KB	Output is correct
28	Correct	1 ms	8540 KB	Output is correct
29	Correct	1 ms	8540 KB	Output is correct
30	Correct	1 ms	8668 KB	Output is correct
31	Correct	1 ms	8536 KB	Output is correct
32	Correct	1 ms	8540 KB	Output is correct
33	Correct	2 ms	8540 KB	Output is correct
34	Correct	1 ms	8644 KB	Output is correct
35	Correct	49 ms	21852 KB	Output is correct
36	Correct	57 ms	22624 KB	Output is correct
37	Correct	55 ms	22876 KB	Output is correct
38	Correct	54 ms	22708 KB	Output is correct
39	Correct	48 ms	21852 KB	Output is correct
40	Correct	54 ms	22940 KB	Output is correct
41	Correct	55 ms	22868 KB	Output is correct
42	Correct	49 ms	21840 KB	Output is correct
43	Correct	49 ms	21840 KB	Output is correct
44	Correct	53 ms	21932 KB	Output is correct
45	Correct	51 ms	21808 KB	Output is correct
46	Correct	50 ms	21964 KB	Output is correct
47	Correct	48 ms	21844 KB	Output is correct
48	Correct	54 ms	22848 KB	Output is correct
49	Correct	67 ms	22820 KB	Output is correct
50	Correct	63 ms	24884 KB	Output is correct
51	Correct	63 ms	24660 KB	Output is correct
52	Correct	63 ms	24776 KB	Output is correct
53	Correct	65 ms	24644 KB	Output is correct
54	Correct	63 ms	24656 KB	Output is correct
55	Correct	65 ms	24680 KB	Output is correct
56	Correct	63 ms	24880 KB	Output is correct
57	Correct	60 ms	23892 KB	Output is correct
58	Correct	67 ms	24656 KB	Output is correct
59	Correct	63 ms	24632 KB	Output is correct
60	Correct	60 ms	23864 KB	Output is correct
61	Correct	8 ms	16988 KB	Output is correct
62	Correct	8 ms	16848 KB	Output is correct
63	Correct	8 ms	16988 KB	Output is correct
64	Correct	8 ms	16984 KB	Output is correct
65	Correct	39 ms	22508 KB	Output is correct
66	Correct	31 ms	21528 KB	Output is correct
67	Correct	71 ms	24664 KB	Output is correct
68	Correct	13 ms	17496 KB	Output is correct
69	Correct	8 ms	16988 KB	Output is correct
70	Correct	8 ms	16864 KB	Output is correct
71	Correct	8 ms	16984 KB	Output is correct

답안 #863302

Compilation message

Subtask #1 3.0 / 3.0

Subtask #2 3.0 / 3.0

Subtask #3 4.0 / 4.0

Subtask #4 4.0 / 4.0

Subtask #5 4.0 / 4.0

Subtask #6 7.0 / 7.0

Subtask #1
3.0 / 3.0

Subtask #2
3.0 / 3.0

Subtask #3
4.0 / 4.0

Subtask #4
4.0 / 4.0

Subtask #5
4.0 / 4.0

Subtask #6
7.0 / 7.0