Cells in a Range on an Excel Sheet
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class Solution { public List<String> cellsInRange(String s) { String[] strs = s.split(":"); String start = strs[0]; String end = strs[1]; List<String> res = new ArrayList<>(); for(char a = start.charAt(0); a <= end.charAt(0); a++){ for(char b = start.charAt(1); b <= end.charAt(1); b++){ res.add(""+a+b); } } return res; } } |