結果

問題 No.2255 Determinant Sum
ユーザー kiyoshi0205
提出日時 2023-03-24 23:28:29
言語 C++23
(gcc 13.3.0 + boost 1.87.0)
結果
AC  
実行時間 18 ms / 2,000 ms
コード長 3,978 bytes
コンパイル時間 4,335 ms
コンパイル使用メモリ 276,604 KB
実行使用メモリ 5,376 KB
最終ジャッジ日時 2024-09-18 17:39:13
合計ジャッジ時間 4,832 ms
ジャッジサーバーID
（参考情報） 		judge5 / judge3
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ファイルパターン 結果
other AC * 23
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ソースコード

diff #
プレゼンテーションモードにする

#ifdef DEBUG
#include"stdlibrary.h"
#else
#pragma GCC target("avx")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include<bits/stdc++.h>
using namespace std;
#endif
// #include<ext/pb_ds/assoc_container.hpp>
// #include<ext/pb_ds/tree_policy.hpp>
// #include<ext/pb_ds/tag_and_trait.hpp>
// using namespace __gnu_pbds;
// #include<boost/multiprecision/cpp_int.hpp>
// namespace multiprecisioninteger = boost::multiprecision;
// using cint=multiprecisioninteger::cpp_int;
using ll=long long;
using datas=pair<ll,ll>;
using ddatas=pair<long double,long double>;
using tdata=pair<ll,datas>;
using vec=vector<ll>;
using mat=vector<vec>;
using pvec=vector<datas>;
using pmat=vector<pvec>;
// using llset=tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>;
#define For(i,a,b) for(i=a;i<(ll)b;++i)
#define bFor(i,b,a) for(i=b,--i;i>=(ll)a;--i)
#define rep(i,N) For(i,0,N)
#define rep1(i,N) For(i,1,N)
#define brep(i,N) bFor(i,N,0)
#define brep1(i,N) bFor(i,N,1)
#define all(v) (v).begin(),(v).end()
#define allr(v) (v).rbegin(),(v).rend()
#define vsort(v) sort(all(v))
#define vrsort(v) sort(allr(v))
#define uniq(v) vsort(v),(v).erase(unique(all(v)),(v).end())
#define endl "\n"
#define popcount __builtin_popcountll
#define eb emplace_back
#define print(x) cout<<x<<endl
#define printyes print("Yes")
#define printno print("No")
#define printYES print("YES")
#define printNO print("NO")
#define output(v) do{bool f=0;for(auto outi:v){cout<<(f?" ":"")<<outi;f=1;}cout<<endl;}while(0)
#define matoutput(v) do{for(auto outimat:v)output(outimat);}while(0)
// constexpr ll mod=1000000007;
constexpr ll mod=998244353;
constexpr ll inf=1LL<<60;
constexpr long double eps=1e-9;
const long double PI=acosl(-1);
template<class T,class E> ostream& operator<<(ostream& os,const pair<T,E>& p){return os<<"("<<p.first<<","<<p.second<<")";}
template<class T> ostream& operator<<(ostream& os,const vector<T>& v){
  os<<"{";bool f=false;
  for(auto& x:v){if(f)os<<",";os<<x;f=true;}
  os<<"}";
  return os;
}
template<class T> ostream& operator<<(ostream& os,const set<T>& v){
  os<<"{";bool f=false;
  for(auto& x:v){if(f)os<<",";os<<x;f=true;}
  os<<"}";
  return os;
}
template<class T> ostream& operator<<(ostream& os,const multiset<T>& v){
  os<<"{";bool f=false;
  for(auto& x:v){if(f)os<<",";os<<x;f=true;}
  os<<"}";
  return os;
}
template<class T,class E> ostream& operator<<(ostream& os,const map<T,E>& v){
  os<<"{";bool f=false;
  for(auto& x:v){if(f)os<<",";os<<x;f=true;}
  os<<"}";
  return os;
}
template<class T> inline bool chmax(T& a,const T b){bool x=a<b;if(x)a=b;return x;}
template<class T> inline bool chmin(T& a,const T b){bool x=a>b;if(x)a=b;return x;}
#ifdef DEBUG
void debugg(){cout<<endl;}
template<class T,class... Args>void debugg(const T& x,const Args&... args){cout<<" "<<x;debugg(args...);}
#define debug(...) cout<<__LINE__<<" ["<<#__VA_ARGS__<<"]:",debugg(__VA_ARGS__)
#else
#define debug(...) (void(0))
#endif
ll N,M,K,H,W,A,B,C,D;
string s,t;
ll ans;
int main(){
  cin.tie(0)->sync_with_stdio(0);
  int T;
  cin>>T;
while(T--){
  int i,j,N,P;
  cin>>N>>P;
  if(P!=2){
    rep(i,N)rep(j,N)cin>>s;
    print("0");
    continue;
  }
  vector<int> cntx(N),cnty(N);
  vector<vector<int>> g(N,vector<int>(N));
  rep(i,N)rep(j,N){
    cin>>g[i][j];
    if(g[i][j]==-1){
      cntx[i]++;
      cnty[j]++;
    }
  }
  if(max(*max_element(all(cntx)),*max_element(all(cnty)))>1){
    print("0");
    continue;
  }
  vector<int> chx,chy;
  rep(i,N)if(!cntx[i])chx.emplace_back(i);
  rep(i,N)if(!cnty[i])chy.emplace_back(i);
  assert(chx.size()==chy.size());
  K=chx.size();
  if(!K){
    print("1");
    continue;
  }
  vector<bitset<50>> bs(K);
  rep(i,chx.size())rep(j,chy.size())if(g[chx[i]][chy[j]])bs[i][j].flip();
  rep(i,K){
    if(!bs[i][i]){
      For(j,i+1,K)if(bs[j][i]){
        swap(bs[i],bs[j]);
        break;
      }
      if(j==K)break;
    }
    For(j,i+1,K)if(bs[j][i])bs[j]^=bs[i];
  }
  print(int(i==K)); 
}
}
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