| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 709679 |
2023-03-14T07:28:33 Z |
Nursik |
W (RMI18_w) |
C++14 |
|
600 ms |
64676 KB |
#include <iostream>
#include <fstream>
#include <iomanip>
#include <vector>
#include <set>
#include <map>
#include <cstring>
#include <string>
#include <cmath>
#include <cassert>
#include <ctime>
#include <algorithm>
#include <sstream>
#include <list>
#include <queue>
#include <deque>
#include <stack>
#include <cstdlib>
#include <cstdio>
#include <iterator>
#include <functional>
#include <unordered_set>
#include <unordered_map>
#include <stdio.h>
#include <bitset>
#include <cstdint>
#include <cassert>
#include <functional>
#include <complex>
#include <random>
using namespace std;
#define ll long long
#define pb push_back
#define mp make_pair
#define f first
#define s second
#define ld long double
const ll maxn = 1e6 + 1, maxm = 3e4 + 1;
const ll mod = 1e9 + 7, cmod = 998244353, inf = 1e9, block = 5000, p2 = 31, bit = 30;
const ld eps = 1e-9;
int n;
int a[maxn];
ll fact[maxn];
int cnt[maxn];
ll dp[maxn][(1 << 5)];
vector<pair<int, pair<int, int>>> go[maxn];
ll bp(ll a, ll n){
ll res = 1;
while (n > 0){
if (n & 1){
res *= a;
}
a *= a, n >>= 1;
a %= mod, res %= mod;
}
return res;
}
ll cnk(int n, int k){
if (n < k)
return 0;
return fact[n] * bp(fact[k], mod - 2) % mod * bp(fact[n - k], mod - 2) % mod;
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
vector<int> masks;
/*
00000 - 0
01000 - 2
00010 - 8
11000 - 3
00011 - 24
01010 - 10
11010 - 11
01011 - 26
11011 - 27
01110 - 14
11110 - 15
01111 - 30
11111 - 31
*/
masks.pb(0);
masks.pb(2);
masks.pb(8);
masks.pb(3);
masks.pb(24);
masks.pb(10);
masks.pb(11);
masks.pb(26);
masks.pb(27);
masks.pb(14);
masks.pb(15);
masks.pb(30);
masks.pb(31);
go[0].pb(mp(2, mp(1, 1)));
go[0].pb(mp(8, mp(1, 1)));
go[0].pb(mp(10, mp(2, 2)));
go[2].pb(mp(2, mp(1, 0)));
go[2].pb(mp(10, mp(2, 1)));
go[2].pb(mp(3, mp(2, 1)));
go[2].pb(mp(11, mp(3, 2)));
go[8].pb(mp(8, mp(1, 0)));
go[8].pb(mp(10, mp(2, 1)));
go[8].pb(mp(24, mp(2, 1)));
go[8].pb(mp(26, mp(3, 2)));
go[10].pb(mp(10, mp(2, 0)));
go[10].pb(mp(11, mp(3, 1)));
go[10].pb(mp(26, mp(3, 1)));
go[10].pb(mp(30, mp(2, 2)));
go[10].pb(mp(31, mp(3, 3)));
go[10].pb(mp(27, mp(4, 2)));
go[10].pb(mp(14, mp(3, 1)));
go[10].pb(mp(15, mp(2, 2)));
go[3].pb(mp(3, mp(2, 0)));
go[3].pb(mp(11, mp(3, 1)));
go[24].pb(mp(24, mp(2, 0)));
go[24].pb(mp(26, mp(3, 1)));
go[26].pb(mp(26, mp(3, 0)));
go[26].pb(mp(30, mp(2, 1)));
go[26].pb(mp(27, mp(4, 1)));
go[26].pb(mp(31, mp(3, 2)));
go[11].pb(mp(11, mp(3, 0)));
go[11].pb(mp(15, mp(2, 1)));
go[11].pb(mp(27, mp(4, 1)));
go[11].pb(mp(31, mp(3, 2)));
go[27].pb(mp(27, mp(4, 0)));
go[27].pb(mp(31, mp(3, 1)));
go[14].pb(mp(31, mp(2, 2)));
go[14].pb(mp(30, mp(1, 1)));
go[14].pb(mp(15, mp(1, 1)));
go[15].pb(mp(15, mp(1, 0)));
go[15].pb(mp(31, mp(2, 1)));
go[30].pb(mp(30, mp(1, 0)));
go[30].pb(mp(31, mp(2, 1)));
go[31].pb(mp(31, mp(2, 0)));
cin >> n;
fact[0] = 1;
for (int i = 1; i <= n; ++i){
cin >> a[i];
cnt[a[i]] += 1;
fact[i] = fact[i - 1] * i % mod;
}
sort(a + 1, a + n + 1);
vector<int> v;
for (int i = 1; i <= n; ++i){
if (a[i] != a[i - 1]){
v.pb(a[i]);
}
}
n = 0;
for (auto it : v){
a[++n] = it;
}
dp[0][0] = 1;
for (int i = 1; i <= n; ++i){
if (cnt[a[i]] > 0){
for (auto it : masks){
if (dp[i - 1][it] > 0){
for (auto msk2 : go[it]){
pair<int, pair<int, int>> cur = msk2;
int gmask = cur.f;
int allbits = cur.s.f;
int nbits = cur.s.s;
dp[i][gmask] = (dp[i][gmask] + dp[i - 1][it] * cnk(cnt[a[i]] - nbits + allbits - 1, allbits - 1) % mod) % mod;
}
}
}
cnt[a[i]] = 0;
}
}
cout << dp[n][(1 << 5) - 1];
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
12 ms |
23812 KB |
Output is correct |
| 2 |
Correct |
15 ms |
23812 KB |
Output is correct |
| 3 |
Correct |
17 ms |
24380 KB |
Output is correct |
| 4 |
Correct |
45 ms |
27324 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
12 ms |
23776 KB |
Output is correct |
| 2 |
Correct |
21 ms |
24136 KB |
Output is correct |
| 3 |
Correct |
246 ms |
35876 KB |
Output is correct |
| 4 |
Execution timed out |
818 ms |
54492 KB |
Time limit exceeded |
| 5 |
Execution timed out |
1075 ms |
61444 KB |
Time limit exceeded |
| 6 |
Execution timed out |
1076 ms |
64364 KB |
Time limit exceeded |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
11 ms |
23808 KB |
Output isn't correct |
| 2 |
Incorrect |
14 ms |
23764 KB |
Output isn't correct |
| 3 |
Incorrect |
13 ms |
23812 KB |
Output isn't correct |
| 4 |
Incorrect |
14 ms |
23892 KB |
Output isn't correct |
| 5 |
Incorrect |
12 ms |
23856 KB |
Output isn't correct |
| 6 |
Incorrect |
49 ms |
25080 KB |
Output isn't correct |
| 7 |
Incorrect |
59 ms |
25592 KB |
Output isn't correct |
| 8 |
Incorrect |
24 ms |
25424 KB |
Output isn't correct |
| 9 |
Incorrect |
47 ms |
26508 KB |
Output isn't correct |
| 10 |
Execution timed out |
1087 ms |
64676 KB |
Time limit exceeded |
