Compilare: main.cpp: In function 'int main()': main.cpp:123:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<v.size();++i) ~^~~~~~~~~ main.cpp: In function 'void power()': main.cpp:95:15: warning: iteration 500003 invokes undefined behavior [-Waggressive-loop-optimizations] put[i]=(put[i-1]*A)%B; ~~~~~~^~~~~~~~~~~~~~~ main.cpp:94:18: note: within this loop for(int i=1;i<=2*lim;++i) ~^~~~~~~