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已采纳
主要程序:
do
{
n++;
cin>>a[n];
}
while (a[n]!=0);
for (int i=1;i<n-1;i++)
{
for (int j=i+1;j<n;j++)
{
if (a[i]*3==a[j]) count++;
}
}
cout<<count;
return 0;
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do
{
n++;
cin>>a[n];
}
while (a[n]!=0);
for (int i=1;i<n-1;i++)
{
for (int j=i+1;j<n;j++)
{
if (a[i]*3==a[j]) count++;
}
}
cout<<count;
return 0;
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