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Code Block
languagenone
function vector = countCoins(coinList)
vector = zeros(1, 4); %oppretter returvektoren
for i = 1:length(coinList)
   switch coinList(i)
        case 1
        vector(1) = vector(1) + 1;
        case 5
        vector(2) = vector(2) + 1;
        case 10
        vector(3) = vector(3) + 1;
        case 20
        vector(4) = vector(4) + 1;
        otherwise
        error('Kun gyldige mynter!');
    end
end
end
 
% Alternativ løsning
function vector = countCoins2(coinList)
coins = [1, 5, 10, 20];
vector = zeros(1,4);
for i = 1:length(coins)
    vector(i) = sum(coinList == coins(i));
end
if sum(coinList) ~= sum(vector.*coins)
    error('Kun gyldige mynter!');
end
end


c)

Code Block
languagenone
function sumCoins(coinList)
vector = zeros(1, 4); 
sum = 0;
for i = 1:length(coinList)
    switch coinList(i)
        case 1
        vector(1) = vector(1) + 1;
        case 5
        vector(2) = vector(2) + 1;
        case 10
        vector(3) = vector(3) + 1;
        case 20
        vector(4) = vector(4) + 1;
        otherwise
        error('Kun gyldige mynter!');
    end
    sum = sum + coinList(i);
end
fprintf('Etter %d mynter har vi talt opp %d kroner\n', i, sum);
end

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Code Block
languagenone
function coins(price)
coinList = [20, 10, 5, 1]; 
sum = 0;
for i = 1:length(coinList) % Her kunne vi også skrevet 4. Kanskje vil vi utvide funksjonen i fremtiden slik at også lapper skal være med.
    while price >= coinList(i)
        sum = sum + 1;
        price = price - coinList(i);
    end
    fprintf('Antall %d-kroninger: %d\n', coinList(i), sum);
    sum = 0;
end
end
 
ELLER:% Alternativ løsning
function coins(price)
coinList = [20, 10, 5, 1]; 
sum = 0;
for i = 1:length(coinList) % Her kunne vi også skrevet 4
    sum = floor(price / coinList(i));
    price = rem(price, coinList(i));
    fprintf('Antall %d-kroninger: %d\n', coinList(i), sum);
    sum = 0;
end
end