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Cod sursa(job #130183)
#include<iostream.h>
#include<fstream.h>
ifstream f("litere.in");
ofstream g("litere.out");
int main()
{
int n,count=0,i;
char c[10000];
f>>n;
for(i=1;i<=n;f>>c[i],i++);
f.close();
for(i=2;i<=n;i++)
if(c[i]<c[i-1])
{int j=i;
while(c[j]<c[j-1]&&j>1)
{c[j-1]+=c[j];c[j]=c[j-1]-c[j];c[j-1]-=c[j];count++;j--;}}
g<<count;
g.close();
return 1;
}