Compilare: user.cpp: In function ‘int main()’: user.cpp:4:234: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] using namespace std;char c[4001];int a=0,b=0,rez=-2,i;ifstream fin("readunare.in");ofstream fout("readunare.out");void Afij(int cr){fout<<"{";for(int j=cr-1;j>=1;j--)Afij(j),fout<<",";fout<<"{}}";}int main(){fin>>c;for(i=0;i<strlen(c);i++)if(c[i]=='{')a++;fin>>c;for(i=0;i<strlen(c);i++)if(c[i]=='{')b++;for(;a;a>>=1)rez++;for(;b;b>>=1)rez++;if(rez)Afij(rez);else fout<<"{}";fout<<'\n';return 0;} ^ user.cpp:4:282: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] using namespace std;char c[4001];int a=0,b=0,rez=-2,i;ifstream fin("readunare.in");ofstream fout("readunare.out");void Afij(int cr){fout<<"{";for(int j=cr-1;j>=1;j--)Afij(j),fout<<",";fout<<"{}}";}int main(){fin>>c;for(i=0;i<strlen(c);i++)if(c[i]=='{')a++;fin>>c;for(i=0;i<strlen(c);i++)if(c[i]=='{')b++;for(;a;a>>=1)rez++;for(;b;b>>=1)rez++;if(rez)Afij(rez);else fout<<"{}";fout<<'\n';return 0;} ^