Recipes From Available Ingredients

Question

The array recipes holds N recipes. Each recipe is a string that spells out what it needs, one character per unit of an ingredient; "salsa", for instance, calls for two 's', two 'a' and one 'l'. What the pantry holds is given as ingredients, where each character stands for one unit on hand. A recipe can be cooked when, for every ingredient it uses, the pantry holds at least as many units as the recipe asks for. Count the recipes that can be cooked. ...