> # include <stdio.h>
> # include <ctype.h>
> # include <string.h>
> 
> # define N 10000000
> 
> int n, f[N];
> int m(char ch)
> {
> 	if (ch < 'Q') return (ch-'A')/3 + 2;
> 	switch(ch)
> 	{
> 		case 'R':case 'S':return 7;
> 		case 'T':case 'U':case 'V':return 8;
> 		case 'W':case 'X':case 'Y':return 9;
> 	}
> }
> int g(char *s)
> {
> 	int i, ret = 0;
> 	for (i = 0; s[i]; ++i)
> 	{
> 		if (isdigit(s[i])) ret = ret*10 + s[i]-'0';
> 		else if (isalpha(s[i])) ret = ret*10 + m(s[i]);
> 	}
> 	return ret;
> }
> int main()
> {
> 	int i, dup;
> 	char buf[105];
> 	while (~scanf("%d", &n))
> 	{
> 		memset(f, 0, sizeof(f));
> 		for (i = 0; i < n; ++i)
> 		{
> 			scanf("%s", buf);
> 			++f[g(buf)];
> 		}
> 		dup = 1;
> 		for (i = 0; i < 10000000; ++i)
> 			if (f[i] > 1) printf("%03d-%04d %d\n", i/10000, i%10000, f[i]), dup = 0;
> 		if (dup) printf("No duplicates. \n");
> 	}
> 
> 	return 0;
> }
> 
没有超内存？