>>696
#include <iostream>
#include <vector>
using namespace std;
int main()
{
int a[] = {34, 3, 11, 28, 17};
const int N = 5;
int i, j;

for (i=N;i>0;--i){
for (j = 0; j < N -1 ; ++j){
if (a[j] > a[j + 1]){
swap(a[j], a[j + 1]);
}
}
}

for (i = 0; i < N; i++) {
cout << a[i] << ", ";
}

cout << endl;
return 0;
}
//まずはじめに0番と1番を比べて…