#include using namespace std; #define ALL(x) (x).begin(), (x).end() #define REP(i,n) for(int i=0; ib ? a=b, true : false; } using ll=long long; const int INF=1e9+10; const ll INFL=4e18; #ifdef DEBUG #include "./debug.hpp" #else #define debug(...) #define print_line #endif //---------------------------------------------------------- void solve() { ll L; cin>>L; if(L%2==1) { ll y=(L*L+1)/2; ll x=y-1; assert(x*x+L*L==y*y); cout<>T; while(T--) solve(); }