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Cod sursa(job #198882)
#include <stdio.h>
#define NMAX 100
#define FIN "litere.in"
#define FOUT "litere.out"
int n,i,j,nr=0;
char v[NMAX];
int main()
{
freopen(FIN,"rt",stdin);
freopen(FOUT,"wt",stdout);
scanf("%d\n", &n);
for (i=1;i<=n;i++)
scanf("%s",v[i]);
for (i=1;i<=n-1;i++)
for (j=i+1;j<=n;j++)
if (v[i]>v[j]) nr++;
printf("%d\n",nr);
return 0;
}