結果

問題 No.520 プロジェクトオイラーへの招待
ユーザー sigma425
提出日時 2017-09-14 02:50:01
言語 C++11(廃止可能性あり)
(gcc 13.3.0)
結果
AC  
実行時間 165 ms / 4,000 ms
コード長 2,900 bytes
コンパイル時間 1,670 ms
コンパイル使用メモリ 159,348 KB
実行使用メモリ 5,248 KB
最終ジャッジ日時 2024-11-07 21:07:40
合計ジャッジ時間 2,146 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 * 7
権限があれば一括ダウンロードができます

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 rep(i,n) for(int i=0;i<(int)(n);i++)
#define rep1(i,n) for(int i=1;i<=(int)(n);i++)
#define all(c) c.begin(),c.end()
#define pb push_back
#define fs first
#define sc second
#define show(x) cout << #x << " = " << x << endl
#define chmin(x,y) x=min(x,y)
#define chmax(x,y) x=max(x,y)
using namespace std;
template<class S,class T> ostream& operator<<(ostream& o,const pair<S,T> &p){return o<<"("<<p.fs<<","<<p.sc<<")";}
template<class T> ostream& operator<<(ostream& o,const vector<T> &vc){o<<"sz = "<<vc.size()<<endl<<"[";for(const T& v:vc) o<<v<<",";o<<"]";return o;}
template<unsigned int mod_>
struct ModInt{
using uint = unsigned int;
using ll = long long;
using ull = unsigned long long;
constexpr static uint mod = mod_;
uint v;
ModInt():v(0){}
ModInt(ll v):v(normS(v%mod+mod)){}
explicit operator bool() const {return v!=0;}
static uint normS(const uint &x){return (x<mod)?x:x-mod;} // [0 , 2*mod-1] -> [0 , mod-1]
static ModInt make(const uint &x){ModInt m; m.v=x; return m;}
ModInt operator+(const ModInt& b) const { return make(normS(v+b.v));}
ModInt operator-(const ModInt& b) const { return make(normS(v+mod-b.v));}
ModInt operator-() const { return make(normS(mod-v)); }
ModInt operator*(const ModInt& b) const { return make((ull)v*b.v%mod);}
ModInt operator/(const ModInt& b) const { return *this*b.inv();}
ModInt& operator+=(const ModInt& b){ return *this=*this+b;}
ModInt& operator-=(const ModInt& b){ return *this=*this-b;}
ModInt& operator*=(const ModInt& b){ return *this=*this*b;}
ModInt& operator/=(const ModInt& b){ return *this=*this/b;}
ll extgcd(ll a,ll b,ll &x,ll &y) const{
ll u[]={a,1,0},v[]={b,0,1};
while(*v){
ll t=*u/ *v;
rep(i,3) swap(u[i]-=t*v[i],v[i]);
}
if(u[0]<0) rep(i,3) u[i]=-u[i];
x=u[1],y=u[2];
return u[0];
}
ModInt inv() const{
ll x,y;
extgcd(v,mod,x,y);
return make(normS(x+mod));
}
bool operator==(const ModInt& b) const { return v==b.v;}
bool operator!=(const ModInt& b) const { return v!=b.v;}
friend istream& operator>>(istream &o,ModInt& x){
ll tmp;
o>>tmp;
x=ModInt(tmp);
return o;
}
friend ostream& operator<<(ostream &o,const ModInt& x){ return o<<x.v;}
};
using mint = ModInt<1000000007>;
bool done[200][200];
mint memo[200][200];
mint solve(int a,int b,int c){
if(a<b) swap(a,b);
if(b<c) swap(b,c);
if(a<b) swap(a,b);
if(c<0){
if(a==0) return 1;
else return 0;
}
if(c==0){
if(done[a][b]) return memo[a][b];
}
if(b==0) return 1;
mint res = 0;
rep(t,3){
rep(i,b){
res += solve(a-1,i,0) * solve(c,b-1-i,0);
}
int d = a;
a = b;
b = c;
c = d;
}
if(c==0){
done[a][b] = 1;
return memo[a][b] = res;
}
rep(i,a) rep(j,b) rep(k,c){
res += solve(i,c-1-k,0) * solve(j,a-1-i,0) * solve(k,b-1-j,0);
}
return res;
}
int main(){
int T;
cin>>T;
rep(t,T){
int a,b,c;
cin>>a>>b>>c;
cout<<solve(a,b,c)<<endl;
}
}
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