题目大意:十进制与十六进制之间的相互转换。

 #include <cstdio>

 int main()
{
#ifdef LOCAL
freopen("in", "r", stdin);
#endif
char str[];
while (gets(str))
{
int n;
if (str[] == 'x')
{
sscanf(str, "%x", &n);
printf("%d\n", n);
}
else
{
sscanf(str, "%d", &n);
if (n < ) break;
printf("0x%X\n", n);
}
}
return ;
}

  还是c++的代码写着顺手啊^_^

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