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Cod sursa(job #557274)
#include<iostream>
#include<fstream>
using namespace std;
ifstream fin("text.in");
ofstream fout("text.out");
char a[20000][20],ul;
int i,j,x,y,ymin,k,j2,i2;
int main()
{while(fin>>a[i]) {i++;x++;}
fin.close();
fout<<x<<endl;
ymin=20000;
for(i=0;i<x-1;i++)
{ul=a[i][strlen(a[i])-1];k=0;y=1;
for(j=i;j<x;j++)
if(a[j][0]==ul) {ul=a[j][strlen(a[j])-1];y++;}
y=x-y;
if(y<ymin) {ymin=y;i2=i;}
}
fout<<ymin<<endl<<a[i2]<<endl;
ul=a[i2][strlen(a[i2])-1];
for(i=i2+1;i<x;i++)
if(a[i][0]==ul) {ul=a[i][strlen(a[i])-1];
fout<<a[i]<<endl; }
fout.close();
return 0;
}