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Cod sursa(job #158448)
#include<fstream.h>
ifstream f("loto.in");
ofstream g("loto.out");
int n,k=1,i,s2,j,s,v[101],b[102];
int main()
{f>>n>>s;
s2=0;
for(i=1;i<=n;i++)
{f>>v[i];
s2=s2+v[i];
}
if((3*v[n]+s2)<s||(3*v[1]+s2)>s)
g<<" -1";
else
{s=s-s2;
for(i=1;i<=n;i++)
{k++;
b[k]=v[i]; }
i=n;
while(i>0)
{
while((s-v[i])>0)
{ s=s-v[i];
k++;
b[k]=v[i];}
i--;}
b[1]=s;
for(i=1;i<=k;i++)
g<<b[i]<<" ";}
f.close();
g.close();
return 0;
}