結果

問題 No.579 3 x N グリッド上のサイクルのサイズ(hard)
ユーザー char134217728
提出日時 2017-11-16 11:47:02
言語 C++11
(gcc 13.3.0)
結果
AC  
実行時間 3 ms / 2,000 ms
コード長 2,409 bytes
コンパイル時間 1,137 ms
コンパイル使用メモリ 159,452 KB
実行使用メモリ 6,824 KB
最終ジャッジ日時 2024-11-25 06:14:13
合計ジャッジ時間 3,214 ms
ジャッジサーバーID
(参考情報)
judge5 / judge3
このコードへのチャレンジ
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ファイルパターン 結果
other AC * 80
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.cpp:70:1: warning: ISO C++ forbids declaration of ‘main’ with no type [-Wreturn-type]
   70 | main(){
      | ^~~~

ソースコード

diff #
プレゼンテーションモードにする

#include <bits/stdc++.h>
#define FOR(i,a,b) for (int i=(a);i<(b);i++)
#define FORR(i,a,b) for (int i=(a);i>=(b);i--)
#define pb push_back
#define pcnt __builtin_popcount
#define show(x) cout<<#x<<" = "<<x<<endl;
#define maxs(x,y) x = max(x,y)
#define mins(x,y) x = min(x,y)
#define fi first
#define se second
#define rng(a) a.begin(),a.end()
#define each(it,c) for(__typeof((c).begin()) it=(c).begin();it!=(c).end();it++)
#define sz(x) (int)(x).size()
#define mp make_pair
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<pii> vpii;
typedef set<int> si;
typedef pair<ll,ll> pll;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<pll> vpll;
typedef set<ll> sl;
template<typename T>string join(vector<T>&v)
{stringstream s;FOR(i,0,sz(v))s<<' '<<v[i];return s.str().substr(1);}
ll gcd(ll a,ll b){if(a>b)swap(a,b);for(;a>0;b%=a,swap(a,b));return b;}
int modpow(ll a,ll n,int m){if(a==0)return a;ll p=1;for(;n>0;n/=2,a=a*a%m)if(n&1)p=p*a%m;return(int)p;}
void dout(double d){printf("%.12f\n",d);}
const int iinf = 1e9;
const ll linf = 1e18;
const int mod = 1e9+7;
const double pi = acos(-1);
const double eps = 1e-10;
const int L = 18;
ll a[L][L] = {
1,1,1,1,1,1,1,1,0,2,3,4,2,3,2,4,0,0,
0,1,1,1,0,0,0,1,0,2,3,4,0,0,0,4,0,2,
0,1,1,1,1,1,0,0,0,3,2,3,3,4,0,0,0,3,
0,1,1,1,1,1,1,0,1,4,3,2,4,3,4,0,4,4,
0,0,1,1,1,1,0,0,0,0,3,4,2,3,0,0,0,2,
0,0,1,1,1,1,1,0,0,0,4,3,3,2,3,0,0,3,
0,0,0,1,0,1,1,1,0,0,0,4,0,3,2,4,0,2,
0,0,0,1,0,0,0,1,0,0,0,4,0,0,0,4,0,0,
0,1,0,0,0,0,1,0,1,4,0,0,0,0,4,0,4,4,
0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,1,0,1,
0,0,0,0,0,0,0,0,0,1,1,1,1,1,0,0,0,1,
0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,0,1,1,
0,0,0,0,0,0,0,0,0,0,1,1,1,1,0,0,0,1,
0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,0,0,1,
0,0,0,0,0,0,0,0,0,0,0,1,0,1,1,1,0,1,
0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,0,
0,0,0,0,0,0,0,0,0,1,0,0,0,0,1,0,1,1,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1
}, b[L][L], c[L][L], n;
void merge(ll (&a1)[L][L], ll (&a2)[L][L], ll (&a3)[L][L]){
FOR(i, 0, L)FOR(j, 0, L){
ll d = 0;
FOR(k, 0, L) d += a1[i][k] * a2[k][j] % mod;
c[i][j] = d % mod;
}
FOR(i, 0, L)FOR(j, 0, L) a3[i][j] = c[i][j];
}
main(){
cin.tie(0);
ios::sync_with_stdio(false);
FOR(i, 0, L)b[i][i] = 1;
cin >> n;
n++;
while(n > 0){
if(n & 1)merge(b, a, b);
merge(a, a, a);
n >>= 1;
}
cout << b[0][17] << endl;
}
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