Question

i am taking c++ class and

please show me this solution detailedly!

0 0 7 016 3. Combinatorics is the art of enumerating combinations and permutations. Write code (not the whole program) that will print all the triples of nonnegative integers that add up to the number 7 0 2 5 0 3 4 0 4 3 When the program is executed the output appears as something similar to: 601 610 (Hint: I'd use 3 for loops arranged in a special way, it can also be done with 2) 700

Answer 1

3.

CODE

#include <iostream>

using namespace std;

int main()

{

for (int i=0; i<=7; i++) {

for (int j=0; j<=7; j++) {

for (int k=0; k<=7; k++) {

if(i + j + k == 7) {

cout << i << " " << j << " " << k << endl;

}

}

}

}

return 0;

}

6.

CODE

#include <iostream>

#include <ctime>

#include <cstdlib>

using namespace std;

int main()

{

srand(time(0));

int a = rand() % 3;

int b = rand() % 3;

int c = rand() % 3;

if (a == 2 && b == 2 && c == 2) {

cout << 10;

}

else if (a == b && b == c) {

cout << 5;

}

else if (a != b && a != c) {

cout << 1;

}

else {

cout << 0;

}

return 0;

}

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