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Task/ABC-Problem/MATLAB/abc-problem.m

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+function testABC
+    combos = ['BO' ; 'XK' ; 'DQ' ; 'CP' ; 'NA' ; 'GT' ; 'RE' ; 'TG' ; 'QD' ; ...
+        'FS' ; 'JW' ; 'HU' ; 'VI' ; 'AN' ; 'OB' ; 'ER' ; 'FS' ; 'LY' ; ...
+        'PC' ; 'ZM'];
+    words = {'A' 'BARK' 'BOOK' 'TREAT' 'COMMON' 'SQUAD' 'CONFUSE'};
+    for k = 1:length(words)
+        possible = canMakeWord(words{k}, combos);
+        fprintf('Can%s make word %s.\n', char(~possible.*'NOT'), words{k})
+    end
+end
+
+function isPossible = canMakeWord(word, combos)
+    word = lower(word);
+    combos = lower(combos);
+    isPossible = true;
+    k = 1;
+    while isPossible && k <= length(word)
+        [r, c] = find(combos == word(k), 1);
+        if ~isempty(r)
+            combos(r, :) = '';
+        else
+            isPossible = false;
+        end
+        k = k+1;
+    end
+end