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Submission #893688

# Submission time Handle Problem Language Result Execution time Memory
893688 2023-12-27T09:30:52 Z LeonaRaging Binaria (CCO23_day1problem1) C++14
6 / 25
 7 ms 31480 KB 
#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define pb emplace_back
#define pf emplace_front
#define fi first
#define se second
#define T pair<int,int>
#define all(val) val.begin(), val.end()
#define SZ(val) (int)val.size()
#define db(val) "[" #val " = " << (val) << "] "

const int maxn = 1e6 + 4;
const int N = 16;
const int mod = 1000003;
const int INF = 1e9;

void coding() {
    if (fopen("inputf.in", "r")) {
        freopen("inputf.in", "r", stdin);
        freopen("outputf.out", "w", stdout);
        freopen("log.out", "w", stderr);
    }
    if (fopen("Rebinary.INP", "r")) {
        freopen("Rebinary.INP", "r", stdin);
        freopen("Rebinary.OUT", "w", stdout);
    }
}

int n, k, s[maxn], f[maxn], vis[maxn];
vector<pair<int,int>> adj[maxn];

void addedge(int u, int v, int w) {
    adj[u].pb(v, w);
    adj[v].pb(u, w);
}

void dfs(int u) {
    vis[u] = 1;
    for (auto it : adj[u]) if (!vis[it.fi]) {
        int v, w; tie(v, w) = it;
        if (f[v] != -1 && (f[u] ^ w) != f[v]) {
            cout << 0;
            exit(0);
        }
        f[v] = f[u] ^ w;
        dfs(v);
    }
}

int mul(int a, int b) {
    return 1LL * a * b % mod;
}

int Pow(int a, int b) {
    if (b == 0) return 1;
    int t = Pow(a, b / 2);
    t = mul(t, t);
    if (b & 1) t = mul(t, a);
    return t;
}

signed main()
{
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
//    coding();
    cin >> n >> k;
    memset(f, -1, sizeof f);
    for (int i = 1; i <= n - k + 1; i++)
        cin >> s[i];
    for (int i = 1; i <= n - k; i++) {
        if (s[i + 1] - s[i] < -1 || s[i + 1] - s[i] > 1) return cout << 0, 0;
        if (s[i + 1] - s[i] == -1) f[i] = 1, f[i + k] = 0, addedge(i, i + k, 1);
        if (s[i + 1] - s[i] == 0) addedge(i, i + k, 0);
        if (s[i + 1] - s[i] == 1) f[i] = 0, f[i + k] = 1, addedge(i, i + k, 1);
    }
    int cnt = k;
    for (int i = 1; i <= k; i++) {
        int root = 0;
        for (int u = i; u <= n; u += k)
            if (f[u] != -1)
                root = u;
        if (!root) continue;
//        dfs(root);
        if (f[i]) s[1]--;
        cnt--;
    }
    int res = 1;
    for (int i = 1; i <= s[1]; i++)
        res = mul(res, Pow(i, mod - 2));
    for (int i = cnt - s[1] + 1; i <= cnt; i++)
        res = mul(res, i);
    cout << res;
}

Compilation message

Main.cpp: In function 'void coding()':
Main.cpp:21:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |         freopen("inputf.in", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:22:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |         freopen("outputf.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:23:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   23 |         freopen("log.out", "w", stderr);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:26:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   26 |         freopen("Rebinary.INP", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:27:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   27 |         freopen("Rebinary.OUT", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 31324 KB Output is correct
2 Correct 6 ms 31324 KB Output is correct
3 Correct 6 ms 31324 KB Output is correct
4 Correct 6 ms 31324 KB Output is correct
5 Correct 6 ms 31344 KB Output is correct
6 Correct 6 ms 31324 KB Output is correct
7 Correct 7 ms 31324 KB Output is correct
8 Correct 7 ms 31356 KB Output is correct
9 Correct 6 ms 31324 KB Output is correct
10 Correct 6 ms 31324 KB Output is correct
11 Correct 7 ms 31324 KB Output is correct
12 Correct 6 ms 31324 KB Output is correct

Subtask #2
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 31324 KB Output is correct
2 Correct 6 ms 31324 KB Output is correct
3 Correct 6 ms 31324 KB Output is correct
4 Correct 6 ms 31324 KB Output is correct
5 Correct 6 ms 31344 KB Output is correct
6 Correct 6 ms 31324 KB Output is correct
7 Correct 7 ms 31324 KB Output is correct
8 Correct 7 ms 31356 KB Output is correct
9 Correct 6 ms 31324 KB Output is correct
10 Correct 6 ms 31324 KB Output is correct
11 Correct 7 ms 31324 KB Output is correct
12 Correct 6 ms 31324 KB Output is correct
13 Correct 6 ms 31324 KB Output is correct
14 Correct 6 ms 31324 KB Output is correct
15 Correct 7 ms 31324 KB Output is correct
16 Correct 6 ms 31324 KB Output is correct
17 Correct 6 ms 31324 KB Output is correct
18 Correct 6 ms 31324 KB Output is correct
19 Correct 6 ms 31324 KB Output is correct
20 Correct 6 ms 31320 KB Output is correct
21 Correct 6 ms 31480 KB Output is correct

Subtask #3
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 31324 KB Output is correct
2 Correct 6 ms 31324 KB Output is correct
3 Correct 6 ms 31324 KB Output is correct
4 Correct 6 ms 31324 KB Output is correct
5 Correct 6 ms 31344 KB Output is correct
6 Correct 6 ms 31324 KB Output is correct
7 Correct 7 ms 31324 KB Output is correct
8 Correct 7 ms 31356 KB Output is correct
9 Correct 6 ms 31324 KB Output is correct
10 Correct 6 ms 31324 KB Output is correct
11 Correct 7 ms 31324 KB Output is correct
12 Correct 6 ms 31324 KB Output is correct
13 Correct 6 ms 31324 KB Output is correct
14 Correct 6 ms 31324 KB Output is correct
15 Correct 7 ms 31324 KB Output is correct
16 Correct 6 ms 31324 KB Output is correct
17 Correct 6 ms 31324 KB Output is correct
18 Correct 6 ms 31324 KB Output is correct
19 Correct 6 ms 31324 KB Output is correct
20 Correct 6 ms 31320 KB Output is correct
21 Correct 6 ms 31480 KB Output is correct
22 Correct 7 ms 31324 KB Output is correct
23 Correct 6 ms 31324 KB Output is correct
24 Correct 6 ms 31332 KB Output is correct
25 Correct 6 ms 31324 KB Output is correct
26 Correct 6 ms 31324 KB Output is correct
27 Correct 6 ms 31324 KB Output is correct
28 Correct 6 ms 31364 KB Output is correct
29 Correct 6 ms 31324 KB Output is correct
30 Correct 7 ms 31364 KB Output is correct
31 Correct 7 ms 31324 KB Output is correct
32 Incorrect 7 ms 31452 KB Output isn't correct
33 Halted 0 ms 0 KB -

Subtask #4
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 31324 KB Output is correct
2 Correct 6 ms 31324 KB Output is correct
3 Correct 6 ms 31324 KB Output is correct
4 Correct 6 ms 31324 KB Output is correct
5 Correct 6 ms 31344 KB Output is correct
6 Correct 6 ms 31324 KB Output is correct
7 Correct 7 ms 31324 KB Output is correct
8 Correct 7 ms 31356 KB Output is correct
9 Correct 6 ms 31324 KB Output is correct
10 Correct 6 ms 31324 KB Output is correct
11 Correct 7 ms 31324 KB Output is correct
12 Correct 6 ms 31324 KB Output is correct
13 Correct 6 ms 31324 KB Output is correct
14 Correct 6 ms 31324 KB Output is correct
15 Correct 7 ms 31324 KB Output is correct
16 Correct 6 ms 31324 KB Output is correct
17 Correct 6 ms 31324 KB Output is correct
18 Correct 6 ms 31324 KB Output is correct
19 Correct 6 ms 31324 KB Output is correct
20 Correct 6 ms 31320 KB Output is correct
21 Correct 6 ms 31480 KB Output is correct
22 Correct 7 ms 31324 KB Output is correct
23 Correct 6 ms 31324 KB Output is correct
24 Correct 6 ms 31332 KB Output is correct
25 Correct 6 ms 31324 KB Output is correct
26 Correct 6 ms 31324 KB Output is correct
27 Correct 6 ms 31324 KB Output is correct
28 Correct 6 ms 31364 KB Output is correct
29 Correct 6 ms 31324 KB Output is correct
30 Correct 7 ms 31364 KB Output is correct
31 Correct 7 ms 31324 KB Output is correct
32 Incorrect 7 ms 31452 KB Output isn't correct
33 Halted 0 ms 0 KB -

Subtask #5
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 31324 KB Output is correct
2 Correct 6 ms 31324 KB Output is correct
3 Correct 6 ms 31324 KB Output is correct
4 Correct 6 ms 31324 KB Output is correct
5 Correct 6 ms 31344 KB Output is correct
6 Correct 6 ms 31324 KB Output is correct
7 Correct 7 ms 31324 KB Output is correct
8 Correct 7 ms 31356 KB Output is correct
9 Correct 6 ms 31324 KB Output is correct
10 Correct 6 ms 31324 KB Output is correct
11 Correct 7 ms 31324 KB Output is correct
12 Correct 6 ms 31324 KB Output is correct
13 Correct 6 ms 31324 KB Output is correct
14 Correct 6 ms 31324 KB Output is correct
15 Correct 7 ms 31324 KB Output is correct
16 Correct 6 ms 31324 KB Output is correct
17 Correct 6 ms 31324 KB Output is correct
18 Correct 6 ms 31324 KB Output is correct
19 Correct 6 ms 31324 KB Output is correct
20 Correct 6 ms 31320 KB Output is correct
21 Correct 6 ms 31480 KB Output is correct
22 Correct 7 ms 31324 KB Output is correct
23 Correct 6 ms 31324 KB Output is correct
24 Correct 6 ms 31332 KB Output is correct
25 Correct 6 ms 31324 KB Output is correct
26 Correct 6 ms 31324 KB Output is correct
27 Correct 6 ms 31324 KB Output is correct
28 Correct 6 ms 31364 KB Output is correct
29 Correct 6 ms 31324 KB Output is correct
30 Correct 7 ms 31364 KB Output is correct
31 Correct 7 ms 31324 KB Output is correct
32 Incorrect 7 ms 31452 KB Output isn't correct
33 Halted 0 ms 0 KB -

Subtask #6
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 31324 KB Output is correct
2 Correct 6 ms 31324 KB Output is correct
3 Correct 6 ms 31324 KB Output is correct
4 Correct 6 ms 31324 KB Output is correct
5 Correct 6 ms 31344 KB Output is correct
6 Correct 6 ms 31324 KB Output is correct
7 Correct 7 ms 31324 KB Output is correct
8 Correct 7 ms 31356 KB Output is correct
9 Correct 6 ms 31324 KB Output is correct
10 Correct 6 ms 31324 KB Output is correct
11 Correct 7 ms 31324 KB Output is correct
12 Correct 6 ms 31324 KB Output is correct
13 Correct 6 ms 31324 KB Output is correct
14 Correct 6 ms 31324 KB Output is correct
15 Correct 7 ms 31324 KB Output is correct
16 Correct 6 ms 31324 KB Output is correct
17 Correct 6 ms 31324 KB Output is correct
18 Correct 6 ms 31324 KB Output is correct
19 Correct 6 ms 31324 KB Output is correct
20 Correct 6 ms 31320 KB Output is correct
21 Correct 6 ms 31480 KB Output is correct
22 Correct 7 ms 31324 KB Output is correct
23 Correct 6 ms 31324 KB Output is correct
24 Correct 6 ms 31332 KB Output is correct
25 Correct 6 ms 31324 KB Output is correct
26 Correct 6 ms 31324 KB Output is correct
27 Correct 6 ms 31324 KB Output is correct
28 Correct 6 ms 31364 KB Output is correct
29 Correct 6 ms 31324 KB Output is correct
30 Correct 7 ms 31364 KB Output is correct
31 Correct 7 ms 31324 KB Output is correct
32 Incorrect 7 ms 31452 KB Output isn't correct
33 Halted 0 ms 0 KB -