Cod sursa(job #2955914)

Utilizator daryufDaryuF daryuf Data 18 decembrie 2022 11:27:37
Problema Litere Scor 100
Compilator cpp-64 Status done
Runda cnsh_16_12 Marime 0.29 kb
Raporteaza aceasta sursa 
#include <fstream>

using namespace std;
ifstream in("litere.in");
ofstream out("litere.out");
int f[1000];
int main()
{int n,sum=0;
char s;
in>>n;
for(int i=1;i<=n;i++)
{ in>>s;
    for(char s1=s+1;s1<='z';s1++)
        sum+=f[s1];
    f[s]++;
}
out<<sum;
    return 0;
}