Compilare: user.cpp: In function ‘long long int coef_bin(int, int)’: user.cpp:40:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<pr.size() && pr[i].first<=x;i++){ ^ user.cpp:45:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<pr.size() && pr[i].first<=(x-y);i++){ ^ user.cpp:50:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<pr.size() && pr[i].first<=y;i++){ ^ user.cpp: In function ‘int main()’: user.cpp:64:20: warning: unused variable ‘j’ [-Wunused-variable] register int i,j,k1,k2; ^ user.cpp:65:15: warning: unused variable ‘x’ [-Wunused-variable] long long x,y,prod,q; ^ user.cpp:65:17: warning: unused variable ‘y’ [-Wunused-variable] long long x,y,prod,q; ^ user.cpp:56:5: warning: ‘maxim’ may be used uninitialized in this function [-Wmaybe-uninitialized] for(i=0;i<=maxim;i++){ ^ user.cpp:39:13: note: ‘maxim’ was declared here int i,q,maxim; ^