Question #22719

Given an int count of a number of donuts, return a string of the form 'donut 1,donut 2,..., donut <count>', where <count> is the number passed in. However, if the count is 5 or more, then use the string 'and <num> more donuts' as the last item instead of the actual list of donuts, where <num> is the number of remaining donuts

So

donuts(3) returns 'donut 1,donut 2,donut 3'

donuts(4) returns 'donut 1,donut 2,donut 3,donut 4'

donuts(10) returns 'donut 1,donut 2,donut 3,donut 4,and 6 more donuts'

donuts(20) also returns 'donut 1,donut 2,donut 3,donut 4,and 16 more donuts'

Python functions: range(), str()

I have this so far, but I can't get the donut 1,donut 2, etc.

def donuts(count):

if count >= 5:

count -= 4

numDonuts = 'and ' + str(count) + ' more donuts'

else:

numDonuts = 'donut ' + str(count)

return numDonuts

output:

‘donut 1’

‘donut 1,donut 2,donut 3’

‘donut 1,donut 2,donut 3,donut 4’

‘donut 1,donut 2,donut 3,donut 4 and 6 more donuts’

‘donut 1,donut 2,donut 3,donut 4 and 95 more donut

So

donuts(3) returns 'donut 1,donut 2,donut 3'

donuts(4) returns 'donut 1,donut 2,donut 3,donut 4'

donuts(10) returns 'donut 1,donut 2,donut 3,donut 4,and 6 more donuts'

donuts(20) also returns 'donut 1,donut 2,donut 3,donut 4,and 16 more donuts'

Python functions: range(), str()

I have this so far, but I can't get the donut 1,donut 2, etc.

def donuts(count):

if count >= 5:

count -= 4

numDonuts = 'and ' + str(count) + ' more donuts'

else:

numDonuts = 'donut ' + str(count)

return numDonuts

output:

‘donut 1’

‘donut 1,donut 2,donut 3’

‘donut 1,donut 2,donut 3,donut 4’

‘donut 1,donut 2,donut 3,donut 4 and 6 more donuts’

‘donut 1,donut 2,donut 3,donut 4 and 95 more donut

Expert's answer

Program is written on C++, using files.

#include <iostream>

#include <fstream>

using namespace std;

int main() {

ifstream in("input.txt");

ofstream out("output.txt");

for (int j=0; j<20; j++) {

int count;

in >> count;

if (count<5) {

for (int i=1;

i<=count; i++) {

if

(i==count) {

out << "donut " << i;

}

else {

out << "donut " << i <<

",";

}

}

}

else {

for (int i=1; i<5;

i++) {

out

<< "donut " << i << ",";

}

count-=4;

out << "and

" << count << " more donuts";

}

out << endl;

}

return 0;

}

#include <iostream>

#include <fstream>

using namespace std;

int main() {

ifstream in("input.txt");

ofstream out("output.txt");

for (int j=0; j<20; j++) {

int count;

in >> count;

if (count<5) {

for (int i=1;

i<=count; i++) {

if

(i==count) {

out << "donut " << i;

}

else {

out << "donut " << i <<

",";

}

}

}

else {

for (int i=1; i<5;

i++) {

out

<< "donut " << i << ",";

}

count-=4;

out << "and

" << count << " more donuts";

}

out << endl;

}

return 0;

}

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