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#2
wp2319572014-05-05 07:50
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#include <iostream>
using namespace std;
int main()
{
char *p ; char a[];
for(int i=0;i<20;i++)
cin>>a[i];
p=a;
for (int i = 0; i < 20; i++)
{
if (a[i] >= 'a' && a[i] <= 'z')
{
a[i] -= 32;
}
if (a[i] >= 'A' && a[i] <= 'Z')
{
a[i] += 32;
}
p++;
}
for(int i=0;i<20;i++)
cout << a[i] <<' '<<endl;
}