Cod sursa(job #2955912)

Utilizator daryufDaryuF daryuf Data 18 decembrie 2022 11:24:08
Problema Litere Scor 0
Compilator cpp-64 Status done
Runda cnsh_16_12 Marime 0.23 kb
Raporteaza aceasta sursa 
#include <fstream>

using namespace std;
int f[1000];
int main()
{int n,sum=0;
char s;
cin>>n;
for(int i=1;i<=n;i++)
{ cin>>s;
    for(char s1=s+1;s1<='z';s1++)
        sum+=f[s1];
    f[s]++;
}
cout<<sum;
    return 0;
}