Eroare de compilare: main.cpp: In function 'void DFT(std::vector<std::complex<double> >&, bool)': main.cpp:2:182: error: no matching function for call to 'polar(int, double)' 2 | using namespace std;const int N=(1<<16);void DFT(vector<complex<double>>&a,bool rev){int n=a.size(),i,step,j;auto b=a;for(step=n/2;step;step/=2){for(i=0;i<n/2;i+=step){auto wn=polar(1,2*M_PI*(rev?-i:i)/n);for(j=0;j<step;++j){auto u=a[i*2+j],v=wn*a[i*2+j+step];b[i+j]=u+v;b[i+n/2+j]=u-v;}}swap(a,b);}if(rev)for(auto&x:a)x/=n;}main(){ifstream g("bacterii2.in");ofstream l("bacterii2.out");int t,n,x,i,cnt,m; g>>t;while(t--){vector<complex<double>>p(N),q(N);g>>n;while(n--){;g>>x;p[x]+=1;}g>>m;while(m--){;g>>x;q[x]+=1;}DFT(p,0);DFT(q,0);for(i=0;i<N;++i)p[i]*=q[i];DFT(p,1);for(i=0;i<N;++i){cnt=round(real(p[i]));if(cnt>0)l<<i<<" "<<cnt<<'\n';}l<<'\n';}} | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~ In file included from /usr/include/c++/12.2.1/ccomplex:39, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:54, from main.cpp:1: /usr/include/c++/12.2.1/complex:701:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::polar(const _Tp&, const _Tp&)' 701 | polar(const _Tp& __rho, const _Tp& __theta) | ^~~~~ /usr/include/c++/12.2.1/complex:701:5: note: template argument deduction/substitution failed: main.cpp:2:182: note: deduced conflicting types for parameter 'const _Tp' ('int' and 'double') 2 | using namespace std;const int N=(1<<16);void DFT(vector<complex<double>>&a,bool rev){int n=a.size(),i,step,j;auto b=a;for(step=n/2;step;step/=2){for(i=0;i<n/2;i+=step){auto wn=polar(1,2*M_PI*(rev?-i:i)/n);for(j=0;j<step;++j){auto u=a[i*2+j],v=wn*a[i*2+j+step];b[i+j]=u+v;b[i+n/2+j]=u-v;}}swap(a,b);}if(rev)for(auto&x:a)x/=n;}main(){ifstream g("bacterii2.in");ofstream l("bacterii2.out");int t,n,x,i,cnt,m; g>>t;while(t--){vector<complex<double>>p(N),q(N);g>>n;while(n--){;g>>x;p[x]+=1;}g>>m;while(m--){;g>>x;q[x]+=1;}DFT(p,0);DFT(q,0);for(i=0;i<N;++i)p[i]*=q[i];DFT(p,1);for(i=0;i<N;++i){cnt=round(real(p[i]));if(cnt>0)l<<i<<" "<<cnt<<'\n';}l<<'\n';}} | ~~~~~^~~~~~~~~~~~~~~~~~~~~~~ main.cpp:2:226: error: inconsistent deduction for 'auto': 'std::complex<double>' and then '<type error>' 2 | using namespace std;const int N=(1<<16);void DFT(vector<complex<double>>&a,bool rev){int n=a.size(),i,step,j;auto b=a;for(step=n/2;step;step/=2){for(i=0;i<n/2;i+=step){auto wn=polar(1,2*M_PI*(rev?-i:i)/n);for(j=0;j<step;++j){auto u=a[i*2+j],v=wn*a[i*2+j+step];b[i+j]=u+v;b[i+n/2+j]=u-v;}}swap(a,b);}if(rev)for(auto&x:a)x/=n;}main(){ifstream g("bacterii2.in");ofstream l("bacterii2.out");int t,n,x,i,cnt,m; g>>t;while(t--){vector<complex<double>>p(N),q(N);g>>n;while(n--){;g>>x;p[x]+=1;}g>>m;while(m--){;g>>x;q[x]+=1;}DFT(p,0);DFT(q,0);for(i=0;i<N;++i)p[i]*=q[i];DFT(p,1);for(i=0;i<N;++i){cnt=round(real(p[i]));if(cnt>0)l<<i<<" "<<cnt<<'\n';}l<<'\n';}} | ^~~~ main.cpp: At global scope: main.cpp:2:326: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type] 2 | using namespace std;const int N=(1<<16);void DFT(vector<complex<double>>&a,bool rev){int n=a.size(),i,step,j;auto b=a;for(step=n/2;step;step/=2){for(i=0;i<n/2;i+=step){auto wn=polar(1,2*M_PI*(rev?-i:i)/n);for(j=0;j<step;++j){auto u=a[i*2+j],v=wn*a[i*2+j+step];b[i+j]=u+v;b[i+n/2+j]=u-v;}}swap(a,b);}if(rev)for(auto&x:a)x/=n;}main(){ifstream g("bacterii2.in");ofstream l("bacterii2.out");int t,n,x,i,cnt,m; g>>t;while(t--){vector<complex<double>>p(N),q(N);g>>n;while(n--){;g>>x;p[x]+=1;}g>>m;while(m--){;g>>x;q[x]+=1;}DFT(p,0);DFT(q,0);for(i=0;i<N;++i)p[i]*=q[i];DFT(p,1);for(i=0;i<N;++i){cnt=round(real(p[i]));if(cnt>0)l<<i<<" "<<cnt<<'\n';}l<<'\n';}} | ^~~~ Non zero exit status: 1