OJ-Problems-Source/HDOJ/5842_lyhylex.cpp

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///好厉害~来自lyhylex (CSDN)
#include <cstdio>
#include <cstring>
#include <algorithm>
using namespace std;
char s[100000 + 9];
int main()
{
int ca = 1, t;
scanf("%d", &t);
while (t--)
{
scanf("%s", s);
int n = strlen(s);
sort(s, s + n);
printf("Case #%d: %d\n", ca++, unique(s, s + n) - s);
}
return 0;
}