| # |
제출 시각 |
아이디 |
문제 |
언어 |
결과 |
실행 시간 |
메모리 |
| 709686 |
2023-03-14T07:35:51 Z |
Nursik |
W (RMI18_w) |
C++14 |
|
600 ms |
15428 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[(1 << 5)];
vector<pair<int, pair<int, int>>> go[(1 << 5)];
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;
for (int i = 1; i <= n; ++i){
cin >> a[i];
cnt[a[i]] += 1;
}
fact[0] = 1;
for (int i = 1; i <= maxn - 1; ++i){
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] = 1;
reverse(masks.begin(), masks.end());
for (int i = 1; i <= n; ++i){
if (cnt[a[i]] > 0){
for (auto it : masks){
if (dp[it] > 0){
ll x = dp[it];
dp[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[gmask] = (dp[gmask] + x * cnk(cnt[a[i]] - nbits + allbits - 1, allbits - 1) % mod) % mod;
}
}
}
cnt[a[i]] = 0;
}
}
cout << dp[(1 << 5) - 1];
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
7 ms |
8148 KB |
Output is correct |
| 2 |
Correct |
8 ms |
8148 KB |
Output is correct |
| 3 |
Correct |
12 ms |
8296 KB |
Output is correct |
| 4 |
Correct |
28 ms |
9304 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
9 ms |
8168 KB |
Output is correct |
| 2 |
Correct |
16 ms |
8220 KB |
Output is correct |
| 3 |
Correct |
251 ms |
12424 KB |
Output is correct |
| 4 |
Execution timed out |
786 ms |
13008 KB |
Time limit exceeded |
| 5 |
Execution timed out |
1083 ms |
12044 KB |
Time limit exceeded |
| 6 |
Execution timed out |
1075 ms |
15428 KB |
Time limit exceeded |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Incorrect |
8 ms |
8148 KB |
Output isn't correct |
| 2 |
Incorrect |
8 ms |
8148 KB |
Output isn't correct |
| 3 |
Incorrect |
8 ms |
8148 KB |
Output isn't correct |
| 4 |
Incorrect |
11 ms |
8148 KB |
Output isn't correct |
| 5 |
Incorrect |
8 ms |
8148 KB |
Output isn't correct |
| 6 |
Incorrect |
44 ms |
8248 KB |
Output isn't correct |
| 7 |
Incorrect |
53 ms |
8660 KB |
Output isn't correct |
| 8 |
Incorrect |
21 ms |
8916 KB |
Output isn't correct |
| 9 |
Incorrect |
42 ms |
9048 KB |
Output isn't correct |
| 10 |
Execution timed out |
1100 ms |
15384 KB |
Time limit exceeded |
