#include using namespace std; typedef signed long long ll; #define _P(...) (void)printf(__VA_ARGS__) #define FOR(x,to) for(x=0;x<(to);x++) #define FORR(x,arr) for(auto& x:arr) #define FORR2(x,y,arr) for(auto& [x,y]:arr) #define ALL(a) (a.begin()),(a.end()) #define ZERO(a) memset(a,0,sizeof(a)) #define MINUS(a) memset(a,0xff,sizeof(a)) template bool chmax(T &a, const T &b) { if(a bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;} //------------------------------------------------------- int N; double A[55555]; double S[]={261.6, 294.3, 327.0, 348.8, 392.4, 436.0, 490.5}; string pat[]={"C4", "D4", "E4", "F4", "G4", "A4", "B4"}; void solve() { int i,j,k,l,r,x,y; string s; cin>>N; FOR(i,N) cin>>A[i]; double dif[7]={}; FOR(i,7) { double span=N/S[i]; FOR(j,N-1000) { double a=A[j+(int)floor(span)]; double b=A[j+(int)ceil(span)]; double c; double p=a*(1-modf(span,&c))+b*modf(span,&c); dif[i]+=abs(p-A[j]); } } cout<