Sky-high ticket costs: Resale prices for the Bills’ new stadium opener start at about $663, over four times the NFL average ticket price in 2025. Fan backlash grows: Supporters say public funding for ...

// Count substrings containing all three characters 'a','b','c'. // lastIndex[0..2] stores latest indices for 'a','b','c' respectively. // For each position i, minLastIndex = earliest of the three ...

// Returns length of longest substring without repeating characters. // Sliding window: expand `right` and insert new chars into `charSet`. // On duplicate, shrink window from `left` by erasing chars ...