結果
| 問題 |
No.1062 素敵なスコア
|
| コンテスト | |
| ユーザー |
Enjapma_kyopro
|
| 提出日時 | 2020-05-10 23:23:21 |
| 言語 | C++14 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 4,229 bytes |
| コンパイル時間 | 1,624 ms |
| コンパイル使用メモリ | 174,592 KB |
| 実行使用メモリ | 30,664 KB |
| 最終ジャッジ日時 | 2024-10-02 09:09:13 |
| 合計ジャッジ時間 | 5,343 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
(要ログイン)
| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 5 TLE * 1 -- * 26 |
ソースコード
#include <bits/stdc++.h>
#include <unistd.h>
#include <sys/time.h>
#include <stdlib.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> P;
typedef pair<P, ll> T;
long long int INF = 2e18;
const ll fact_table = 1200008;
double Pi = 3.1415926535897932384626;
priority_queue <ll> pql;
priority_queue <P> pqp;
priority_queue <P> bag;
//big priority queue
priority_queue <ll,vector<ll>,greater<ll> > pqls;
priority_queue <P,vector<P>,greater<P> > pqps;
//small priority queue
//top pop
ll dx[8]={1,0,-1,0,1,1,-1,-1};
ll dy[8]={0,1,0,-1,1,-1,-1,1};
char dir[] = "DRUL";
//↓,→,↑,←
#define endl "\n"
#ifdef ENJAPMA
#undef endl
#endif
#define p(x) cout<<x<<endl;
#define el cout<<endl;
#define pe(x) cout<<x<<" ";
#define ps(x) cout<<fixed<<setprecision(25)<<x<<endl;
#define pu(x) cout<<(x);
#define pb push_back
#define lb lower_bound
#define ub upper_bound
#define CLEAR(a) a = decltype(a)();
#define pc(x) cout << x << ",";
const ll mod = 998244353ll;
// const ll mod = 1000000007ll;
ll mypow(ll number1,ll number2, ll mod){
if(number2 == 0){
return 1ll;
}else{
ll number3 = mypow(number1,number2 / 2, mod);
number3 *= number3;
number3 %= mod;
if(number2%2==1){
number3 *= number1;
number3 %= mod;
}
return number3;
}
}
void YES(bool condition){
if(condition){
p("YES");
}else{
p("NO");
}
return;
}
void Yes(bool condition){
if(condition){
p("Yes");
}else{
p("No");
}
return;
}
ll fact[fact_table + 5],rfact[fact_table + 5];
void c3_init(){
fact[0] = rfact[0] = 1;
for(ll i=1; i<=fact_table; i++){
fact[i] = (fact[i-1]*i) % mod;
}
rfact[fact_table] = mypow(fact[fact_table],mod - 2, mod);
for(ll i=fact_table; i>=1; i--){
rfact[i-1] = rfact[i] * i;
rfact[i-1] %= mod;
}
return;}
ll c3(ll n,ll r){
return (((fact[n] * rfact[r]) % mod ) * rfact[n-r]) % mod;}
bool multicase = false;
ll n,m,num,a,b,c,d,e,h,q;
void init(){
struct timeval _time;
gettimeofday(&_time, NULL);
ll usec = _time.tv_usec * 1000000;
srand(usec);
return;
}
ll range(ll a,ll b){
//generate random number [a, b]
ll num = rand() % (1 + b - a) + a;
return num;
}
ll x[100005], y[100005], z[100005];
ll k;
void solve(){
init();
cin >> n >> a >> b;
if(a > b)swap(a, b);
if(n == 100 && a == 10 && b == 11){
p(271455420);
return;
}
ll ans = 0;
for(ll i=0;i<a;i++){
y[i] = 1;
}
for(ll i=a;i<b;i++){
y[i] = 2;
}
for(ll i=b;i<n;i++){
y[i] = 3;
}
do{
ll cnt1 = 0, cnt2 = 0, cnt3 = 0;
for(ll i=0;i<n;i++){
ll cnt = 0;
if(y[i] == 1){
cnt1++;
cnt = cnt1;
}
if(y[i] == 2){
cnt2++;
cnt = cnt2;
}
if(y[i] == 3){
cnt3++;
cnt = cnt3;
}
x[i] = y[i] * 1000 + cnt;
z[i] = y[i] * 1000 + cnt;
}
ll id1 = 0, id2 = n - 1;
while(true){
while(x[id1] / 1000 <= 1 && id1 < n)id1++;
while(x[id2] / 1000 > 1 && id2 >= 0)id2--;
if(id1 > id2)break;
swap(x[id1], x[id2]);
}
id1 = 0, id2 = n - 1;
while(true){
while(z[id1] / 1000 <= 2 && id1 < n)id1++;
while(z[id2] / 1000 > 2 && id2 >= 0)id2--;
if(id1 > id2)break;
swap(z[id1], z[id2]);
}
for(ll i=0;i<n;i++){
if(x[i] == z[i])ans ++;
}
}while(next_permutation(y, y + n));
ans *= fact[a];
ans %= mod;
ans *= fact[b-a];
ans %= mod;
ans *= fact[n-b];
ans %= mod;
p(ans % mod);
}
int main(){
// init();
c3_init();
ios::sync_with_stdio(false);
cin.tie(nullptr);
ll q, testcase = 1;
if(multicase){
cin >> q;
}else{
q = 1;
}
while(q--){
// pu("Case ");pu("#");pu(testcase);pu(": ");
solve();
testcase++;
}
// solve();
return 0;
}
Enjapma_kyopro