#define forn(i,e) for(ll i = 0; i < e; i++) #define forsn(i,s,e) for(ll i = s; i < e; i++) #define rforn(i,s) for(ll i = s; i >= 0; i--) #define rforsn(i,s,e) for(ll ...
* Chef likes all arrays equally. But he likes some arrays more equally than others. In particular, he loves Rainbow Arrays. An array is Rainbow if it has the following structure: First a1 elements ...
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