第一题注意0和输出最后没有逗号,注意若没有要输出NO
#include<iostream>
#include<algorithm>
using namespace std;
int main()
{
int n;
cin >> n;
int a[202];
int b[40000], c[40000];
int count = 0;
for (int i = 0; i < n; i++)
{
cin >> a[i];
}
for (int i = 0; i < n-1; i++)
{
for (int j = 0; j < n - 1 - i; j++)
{
//升序排序
if (a[j] > a[j + 1])
swap(a[j], a[j + 1]);
}
}
for (int i = 0; i < n-1; i++)
{
if (a[i] == 0)
continue;
for (int j = i+1; j < n; j++)
{
if (a[j] == 0)
continue;
bool istrue = true;
for (int k = 2; k <= a[i]; k++)
{
//判断是否可以约分
if (a[j] % k == 0&&a[i]%k==0)
{
istrue = false;
break;
}
}
if (istrue)
{
b[count] = a[i];
c[count] = a[j];
count++;
}
}
}
if (count == 0)
cout << "NO" << endl;
else {
for (int i = 0; i < count - 1; i++)
cout << b[i] << "/" << c[i] << ",";
cout << b[count - 1] << "/" << c[count - 1] << endl;
}
}
#include<iostream>
#include<sstream>
using namespace std;
int main()
{
int n;
cin >><