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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#516258 | #6756. 桂花树 | PCTprobability | 100 ✓ | 261ms | 50988kb | C++14 | 5.0kb | 2024-08-12 15:14:26 | 2024-08-12 15:14:27 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#if __has_include(<atcoder/all>)
#include <atcoder/all>
using namespace atcoder;
#endif
using ll = long long;
using ld = long double;
using ull = unsigned long long;
#define endl "\n"
typedef pair<int, int> Pii;
#define REP(i, n) for (int i = 0; i < (n); ++i)
#define REP3(i, m, n) for (int i = (m); (i) < int(n); ++ (i))
#define rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define ALL(x) begin(x), end(x)
#define rrep(i,a,b) for(int i=a;i>=b;i--)
#define fore(i,a) for(auto &i:a)
#define all(s) (s).begin(),(s).end()
#define drep2(i, m, n) for (int i = (m)-1; i >= (n); --i)
#define drep(i, n) drep2(i, n, 0)
#define rever(vec) reverse(vec.begin(), vec.end())
#define sor(vec) sort(vec.begin(), vec.end())
#define fi first
#define FOR_(n) for (ll _ = 0; (_) < (ll)(n); ++(_))
#define FOR(i, n) for (ll i = 0; (i) < (ll)(n); ++(i))
#define se second
#define pb push_back
#define P pair<ll,ll>
#define PQminll priority_queue<ll, vector<ll>, greater<ll>>
#define PQmaxll priority_queue<ll,vector<ll>,less<ll>>
#define PQminP priority_queue<P, vector<P>, greater<P>>
#define PQmaxP priority_queue<P,vector<P>,less<P>>
#define NP next_permutation
#define die(a) {cout<<a<<endl;return 0;}
#define dier(a) {return a;}
//const ll mod = 1000000009;
//const ll mod = 998244353;
const ll mod = 1000000007;
const ll inf = 4000000000000000000ll;
const ld eps = ld(0.00000000001);
static const long double pi = 3.141592653589793;
template<class T>void vcin(vector<T> &n){for(int i=0;i<int(n.size());i++) cin>>n[i];}
template<class T,class K>void vcin(vector<T> &n,vector<K> &m){for(int i=0;i<int(n.size());i++) cin>>n[i]>>m[i];}
template<class T>void vcout(vector<T> &n){for(int i=0;i<int(n.size());i++){cout<<n[i]<<" ";}cout<<endl;}
template<class T>void vcin(vector<vector<T>> &n){for(int i=0;i<int(n.size());i++){for(int j=0;j<int(n[i].size());j++){cin>>n[i][j];}}}
template<class T>void vcout(vector<vector<T>> &n){for(int i=0;i<int(n.size());i++){for(int j=0;j<int(n[i].size());j++){cout<<n[i][j]<<" ";}cout<<endl;}cout<<endl;}
void yes(bool a){cout<<(a?"yes":"no")<<endl;}
void YES(bool a){cout<<(a?"YES":"NO")<<endl;}
void Yes(bool a){cout<<(a?"Yes":"No")<<endl;}
void possible(bool a){ cout<<(a?"possible":"impossible")<<endl; }
void Possible(bool a){ cout<<(a?"Possible":"Impossible")<<endl; }
void POSSIBLE(bool a){ cout<<(a?"POSSIBLE":"IMPOSSIBLE")<<endl; }
#define FOR_R(i, n) for (ll i = (ll)(n)-1; (i) >= 0; --(i))
template<class T>auto min(const T& a){ return *min_element(all(a)); }
//template<class T>auto max(const T& a){ return *max_element(all(a)); }
template<class T,class F>void print(pair<T,F> a){cout<<a.fi<<" "<<a.se<<endl;}
template<class T>bool chmax(T &a,const T b) { if (a<b) { a=b; return 1; } return 0;}
template<class T>bool chmin(T &a,const T b) { if (b<a) { a=b; return 1; } return 0;}
template<class T> void ifmin(T t,T u){if(t>u){cout<<-1<<endl;}else{cout<<t<<endl;}}
template<class T> void ifmax(T t,T u){if(t>u){cout<<-1<<endl;}else{cout<<t<<endl;}}
ll fastgcd(ll u,ll v){ll shl=0;while(u&&v&&u!=v){bool eu=!(u&1);bool ev=!(v&1);if(eu&&ev){++shl;u>>=1;v>>=1;}else if(eu&&!ev){u>>=1;}else if(!eu&&ev){v>>=1;}else if(u>=v){u=(u-v)>>1;}else{ll tmp=u;u=(v-u)>>1;v=tmp;}}return !u?v<<shl:u<<shl;}
ll modPow(ll a, ll n, ll mod) { if(mod==1) return 0;ll ret = 1; ll p = a % mod; while (n) { if (n & 1) ret = ret * p % mod; p = p * p % mod; n >>= 1; } return ret; }
vector<ll> divisor(ll x){ vector<ll> ans; for(ll i = 1; i * i <= x; i++){ if(x % i == 0) {ans.push_back(i); if(i*i!=x){ ans.push_back(x / ans[i]);}}}sor(ans); return ans; }
ll pop(ll x){return __builtin_popcountll(x);}
ll poplong(ll x){ll y=-1;while(x){x/=2;y++;}return y;}
P hyou(P a){ll x=fastgcd(abs(a.fi),abs(a.se));a.fi/=x;a.se/=x;if(a.se<0){a.fi*=-1;a.se*=-1;}return a;}
P Pplus(P a,P b){ return hyou({a.fi*b.se+b.fi*a.se,a.se*b.se});}
P Ptimes(P a,ll b){ return hyou({a.fi*b,a.se});}
P Ptimes(P a,P b){ return hyou({a.fi*b.fi,a.se*b.se});}
P Pminus(P a,P b){ return hyou({a.fi*b.se-b.fi*a.se,a.se*b.se});}
P Pgyaku(P a){ return hyou({a.se,a.fi});}
void cincout(){
ios::sync_with_stdio(false);
std::cin.tie(nullptr);
cout<< fixed << setprecision(15);
}
ll dp[3030][2000];
void solve(){
ll n,m,k;
cin>>n>>m>>k;
vector<ll> a(n-1);
vcin(a);
for(int i=0;i<=m;i++){
for(int j=0;j<(1<<k);j++) dp[i][j]=0;
}
dp[0][0]=1;
for(int i=0;i<m;i++){
for(int j=0;j<(1<<k);j++){
if(j%2){
//自分を既に使っている
(dp[i+1][j/2]+=dp[i][j])%=mod;
continue;
}
//他の頂点を辺に挟んで遷移
for(int l=0;l<k;l++){
if((j>>(l+1))&1) continue;
(dp[i+1][j/2+(1<<l)]+=dp[i][j]*(n+i+pop(j)-1))%=mod;
}
//今ある頂点の下 or 辺の間に入れる
(dp[i+1][j/2]+=dp[i][j]*((n+i+pop(j))*2-1))%=mod;
}
}
cout<<dp[m][0]<<endl;
}
int main(){
cincout();
ll c,t;
cin>>c>>t;
while(t--){
solve();
}
}
詳細信息
Pretests
Final Tests
Test #1:
score: 5
Accepted
time: 1ms
memory: 3592kb
input:
1 15 4 2 9 1 2 3 4 4 1 1 1 1 4 3 10 1 2 3 4 2 10 1 2 3 2 3 0 1 2 2 8 1 2 4 10 1 3 3 0 1 2 3 2 0 1 1 2 2 0 1 2 4 9 1 4 2 0 1 1 1 2 4 1 1 4 4 8 1 1 1 3 3 0 1 2
output:
66 10132 787 66 105 16 1296 315 35 15 1296 63 1110 11384 315
result:
ok 15 numbers
Test #2:
score: 5
Accepted
time: 1ms
memory: 3588kb
input:
2 15 4 2 0 1 1 1 3 4 8 1 2 2 2 9 1 3 4 0 1 1 4 2 9 1 1 1 3 4 2 1 1 3 3 10 1 1 3 3 0 1 2 3 2 0 1 1 3 2 0 1 1 3 4 2 1 2 2 2 0 1 2 2 0 1 4 4 8 1 1 2 3 2 0 1 2
output:
63 4553 16 3465 66 4347 366 315 35 35 4347 15 15 11384 35
result:
ok 15 numbers
Test #3:
score: 5
Accepted
time: 17ms
memory: 3860kb
input:
3 15 25363 0 10 1 2 2 4 5 6 5 7 5 7 7 8 13 11 13 12 17 14 19 20 20 22 23 24 22 26 26 24 28 28 30 32 32 30 34 33 35 34 38 37 41 41 40 40 42 46 45 44 47 49 51 49 51 54 54 56 55 58 57 59 60 62 60 61 64 65 63 65 68 66 70 68 69 74 75 72 76 77 78 77 77 78 79 84 83 83 85 87 89 90 91 90 90 91 93 93 97 95 98...
output:
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1
result:
ok 15 numbers
Test #4:
score: 5
Accepted
time: 0ms
memory: 3628kb
input:
4 15 95 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 81 1 0 1 1 3 3 2 4 4 4 7 8 8 11 11 12 15 16 17 18 19 17 19 22 20 22 24 25 27 24 25 26 28 29 32 33 32...
output:
189 161 157 183 179 179 185 165 161 179 191 159 199 177 195
result:
ok 15 numbers
Test #5:
score: 5
Accepted
time: 7ms
memory: 3788kb
input:
5 15 24238 1 9 1 2 2 3 2 3 7 6 6 8 11 8 13 14 14 13 14 15 15 20 17 21 19 24 25 22 23 28 27 29 28 31 32 34 35 32 35 35 39 37 38 42 39 41 43 42 47 47 45 48 49 52 50 52 51 55 53 57 58 58 60 58 60 64 62 66 66 65 65 69 68 68 73 71 72 73 75 78 77 76 78 82 81 84 82 85 84 87 86 89 90 90 90 90 91 93 94 94 98...
output:
48475 54131 56879 54501 49951 55359 46639 52775 56387 53417 55987 58213 48849 46865 56865
result:
ok 15 numbers
Test #6:
score: 5
Accepted
time: 1ms
memory: 3644kb
input:
6 15 90 2 0 1 1 3 3 4 6 3 5 6 1 4 8 6 3 7 2 8 17 12 1 15 8 10 17 4 7 22 1 16 15 13 17 6 24 18 20 29 24 5 37 26 19 1 36 10 11 1 32 12 29 25 36 43 25 36 35 27 30 48 13 57 43 3 48 20 49 10 42 33 32 15 67 3 72 18 59 45 65 22 47 21 76 44 36 70 31 40 36 75 97 2 10 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...
output:
32399 37731 39999 28223 29668 37731 36193 26895 35436 39301 33946 31771 30975 24335 36958
result:
ok 15 numbers
Test #7:
score: 5
Accepted
time: 16ms
memory: 3880kb
input:
7 15 23937 2 0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 25 25 26 26 27 27 28 28 29 29 30 30 31 31 32 32 33 33 34 34 35 35 36 36 37 37 38 38 39 39 40 40 41 41 42 42 43 43 44 44 45 45 46 46 47 47 48 48 49 49 50 50 51 ...
output:
291919861 146761194 947431229 721917569 513436690 452531920 95169750 435600974 157568937 921186289 544059002 432348666 320565654 309379121 377927681
result:
ok 15 numbers
Test #8:
score: 5
Accepted
time: 0ms
memory: 4016kb
input:
8 15 1 89 0 1 88 0 1 86 0 1 81 0 1 89 0 1 88 0 1 85 0 1 88 0 1 99 0 1 93 0 1 94 0 1 79 0 1 97 0 1 88 0 1 96 0
output:
643555007 320020087 809556406 776533926 643555007 320020087 414090976 320020087 356146221 792287148 157695640 15616881 389622706 320020087 654868516
result:
ok 15 numbers
Test #9:
score: 5
Accepted
time: 1ms
memory: 5604kb
input:
9 15 1 85 0 1 86 0 1 90 0 1 87 0 1 87 0 1 91 0 1 81 0 1 79 0 1 86 0 1 80 0 1 81 0 1 88 0 1 98 0 1 89 0 1 78 0
output:
414090976 809556406 196345448 53257258 53257258 538525843 776533926 15616881 809556406 483084065 776533926 320020087 976427145 643555007 299462530
result:
ok 15 numbers
Test #10:
score: 5
Accepted
time: 0ms
memory: 49304kb
input:
10 15 1 2600 0 1 2562 0 1 2885 0 1 2926 0 1 2980 0 1 2796 0 1 2809 0 1 2441 0 1 2964 0 1 2384 0 1 2634 0 1 2284 0 1 2732 0 1 2525 0 1 2635 0
output:
980378455 337526154 558193103 125913045 124855760 503883918 199525532 902720193 515375300 777422724 363348923 334557029 939566213 938891504 485461889
result:
ok 15 numbers
Test #11:
score: 5
Accepted
time: 10ms
memory: 6408kb
input:
11 15 1 97 8 1 98 8 1 75 9 1 86 10 1 91 10 1 80 10 1 99 10 1 75 10 1 81 3 1 86 8 1 76 10 1 79 9 1 77 9 1 79 8 1 92 10
output:
201967493 593344966 454636651 58812991 509364979 455029717 399412420 697505560 426878348 397782687 146643903 719871243 754719823 132594531 954628592
result:
ok 15 numbers
Test #12:
score: 5
Accepted
time: 234ms
memory: 50216kb
input:
12 15 1 2419 9 1 3000 8 1 2952 9 1 2911 10 1 2596 8 1 2997 10 1 2479 10 1 2447 10 1 2504 8 1 2325 9 1 2473 10 1 2674 8 1 2817 9 1 2303 8 1 2253 6
output:
897921773 493618043 502033461 163722526 998027298 171201566 988250983 759578319 522233752 644875547 630714473 82369707 754521000 259048908 717777794
result:
ok 15 numbers
Test #13:
score: 5
Accepted
time: 1ms
memory: 5916kb
input:
13 15 96 77 0 1 1 2 2 3 3 4 4 5 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6 6 6 6 6 7 7 7 7 7 7 7 7 7 7 8 8 65 17 9 33 83 76 52 42 17 56 39 82 26 53 89 96 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 ...
output:
875522633 817514869 984115449 171618725 413906221 67403237 626927815 102038917 731937401 81736574 147698013 5718686 570093465 291610 736092684
result:
ok 15 numbers
Test #14:
score: 5
Accepted
time: 1ms
memory: 3944kb
input:
14 15 79 92 0 1 2 1 3 2 5 6 6 6 10 7 8 10 13 14 13 15 16 17 18 17 18 21 24 25 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 18 33 33 18 9 48 19 2 6 12 28 3 22 50 5 24 14 10 15 42 11 44 36 38 58 21 9 96 81 0 1 2 3 4 3 2 4 7 7 1 7 10 12 13 1 9 14 6 13 18 4 2 4 14 25 3 3...
output:
69626057 106800079 696160675 125365500 105229737 980457872 857341479 727730150 931017912 72350415 700427628 857341479 458562426 105229737 33015237
result:
ok 15 numbers
Test #15:
score: 5
Accepted
time: 13ms
memory: 49236kb
input:
15 15 27219 2720 0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 25 25 26 26 27 27 28 28 29 29 30 30 31 31 32 32 33 33 34 34 35 35 36 36 37 37 38 38 39 39 40 40 41 41 42 42 43 43 44 44 45 45 46 46 47 47 48 48 49 49 50 50...
output:
512213075 634563835 412223891 885815756 909933373 460122433 143582817 318866407 952581018 559698410 15451972 798343658 240180291 40997907 507956430
result:
ok 15 numbers
Test #16:
score: 5
Accepted
time: 15ms
memory: 49000kb
input:
16 15 23470 2270 0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 25 25 26 26 27 27 28 28 29 29 30 30 31 31 32 32 33 33 34 34 35 35 36 36 37 37 38 38 39 39 40 40 41 41 42 42 43 43 44 44 45 45 46 46 47 47 48 48 49 49 50 50...
output:
613353516 498696894 341174230 524070747 458732519 657246209 497631698 460156266 650070681 438365748 579953962 638226266 303839474 655729798 51100917
result:
ok 15 numbers
Test #17:
score: 5
Accepted
time: 7ms
memory: 6096kb
input:
17 15 94 82 9 1 2 2 3 3 6 6 8 6 10 7 10 13 10 14 14 16 17 18 17 20 18 23 24 22 26 25 27 25 26 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 59 39 56 52 21 51 66 59 33 68 29 34 62 47 59 76 54 72 40 40 3 4 63 33 44 73 59 18 19 70 25 77 93 86 8 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
output:
57879436 325557854 91787824 410242939 853965973 142189519 742252318 181854803 57653454 102825828 223733805 982035357 963632678 929397289 890046592
result:
ok 15 numbers
Test #18:
score: 5
Accepted
time: 5ms
memory: 4916kb
input:
18 15 78 96 1 1 1 2 2 3 3 4 4 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 4 4 4 4 4 4 4 4 4 5 5 5 5 5 5 5 5 5 6 6 6 6 6 6 6 6 6 7 7 52 54 22 16 21 56 64 32 42 64 52 49 19 87 86 9 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...
output:
76805686 353383610 224346320 111078253 766068511 881559887 431130327 846136820 658010636 340111764 612573560 824188027 435154505 227628660 45266228
result:
ok 15 numbers
Test #19:
score: 5
Accepted
time: 230ms
memory: 50988kb
input:
19 15 26104 2591 3 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 25 25 26 26 27 27 28 28 29 29 30 30 31 31 32 32 33 33 34 34 35 35 36 36 37 37 38 38 39 39 40 40 41 41 42 42 43 43 44 44 45 45 46 46 47 47 48 48 49 49 50 50...
output:
352998989 343378163 332642314 329512384 132607327 87163047 200914906 690708263 643035325 490644560 544357196 370133318 274907996 878486015 823925934
result:
ok 15 numbers
Test #20:
score: 5
Accepted
time: 261ms
memory: 50152kb
input:
20 15 22821 2558 8 1 1 1 3 2 4 2 5 5 5 7 7 13 4 15 12 1 17 15 6 10 10 13 20 20 1 16 14 9 9 28 24 14 28 2 28 35 20 30 37 1 9 21 35 42 23 41 11 15 29 10 1 13 6 24 11 11 46 32 39 32 10 59 57 20 24 51 24 60 28 65 16 31 42 25 12 27 28 53 49 15 12 58 73 83 47 7 71 2 2 26 57 82 61 17 17 48 96 23 83 2 41 59...
output:
852082753 663863799 567411082 526354875 894631436 262990076 719766589 173209722 880032338 29895723 506677794 954758703 758235022 133292061 393482362
result:
ok 15 numbers
Extra Test:
score: 0
Extra Test Passed