Cod sursa(job #169085)
Utilizator | Data | 1 aprilie 2008 00:48:41 | |
---|---|---|---|
Problema | Litere | Scor | 100 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.33 kb |
#include <stdio.h>
#define Nmax 10001
char s[Nmax];
int n, rez, i, j;
int uz[50];
int main()
{
fscanf(fopen("litere.in", "r"), "%d\n%s\n", &n, &s);
for (i = 0; i<n; i++)
{
uz[s[i]-'a']++;
for (j = s[i]-'a'+1; j<='z'-'a'; j++)
rez+=uz[j];
}
fprintf(fopen("litere.out", "w"), "%d\n", rez);
return 0;
}