test/aoj/1328.test.cpp

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• Last update: 2021-09-23 21:21:39+09:00
• Problem: http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=1328

Depends on

• linearalgebra/matrix.cpp

Code

// verification-helper: PROBLEM http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=1328

#include <bits/stdc++.h>
using namespace std;

#define call_from_test
#include "../../linearalgebra/matrix.cpp"
#undef call_from_test

signed main(){
  cin.tie(0);
  ios::sync_with_stdio(0);

  using M = Matrix<double>;
  using arr = M::arr;

  int d;
  while(cin>>d,d){
    arr vs(d+3);
    for(int i=0;i<d+3;i++) cin>>vs[i];
    int ans=0;
    M m(d+3,d+2);
    for(int i=0;i<d+3;i++)
      for(int j=0;j<d+1;j++)
        m[i][j]=pow(1.0*i,j);

    for(int i=0;i<d+3;i++){
      for(int j=i+1;j<d+3;j++){
        arr b(d+1);
        M A(d+1,d+1);
        for(int k=0,l=0;k<d+3;k++)
          if(i!=k&&j!=k) A[l]=m[k],b[l]=vs[k],l++;

        arr x=M::linear_equations(A,b);
        if(x.empty()) continue;
        double res[2]={};
        for(int k=0;k<d+1;k++){
          res[0]+=x[k]*m[i][k];
          res[1]+=x[k]*m[j][k];
        }
        const double EPS = 1e-5;
        if(abs(res[0]-vs[i])>0.5&&abs(res[1]-vs[j])<EPS) ans=i;
        if(abs(res[0]-vs[i])<EPS&&abs(res[1]-vs[j])>0.5) ans=j;
      }
    }
    cout<<ans<<endl;
  }
  return 0;
}

Traceback (most recent call last):
  File "/opt/hostedtoolcache/Python/3.11.3/x64/lib/python3.11/site-packages/onlinejudge_verify/documentation/build.py", line 71, in _render_source_code_stat
    bundled_code = language.bundle(stat.path, basedir=basedir, options={'include_paths': [basedir]}).decode()
                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/opt/hostedtoolcache/Python/3.11.3/x64/lib/python3.11/site-packages/onlinejudge_verify/languages/cplusplus.py", line 187, in bundle
    bundler.update(path)
  File "/opt/hostedtoolcache/Python/3.11.3/x64/lib/python3.11/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 401, in update
    self.update(self._resolve(pathlib.Path(included), included_from=path))
  File "/opt/hostedtoolcache/Python/3.11.3/x64/lib/python3.11/site-packages/onlinejudge_verify/languages/cplusplus_bundle.py", line 400, in update
    raise BundleErrorAt(path, i + 1, "unable to process #include in #if / #ifdef / #ifndef other than include guards")
onlinejudge_verify.languages.cplusplus_bundle.BundleErrorAt: linearalgebra/matrix.cpp: line 128: unable to process #include in #if / #ifdef / #ifndef other than include guards

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