Compilare: main.cpp: In function 'int main()': main.cpp:167:18: 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:97:15: warning: iteration 500003 invokes undefined behavior [-Waggressive-loop-optimizations] put[i]=(put[i-1]*A)%B; ~~~~~~^~~~~~~~~~~~~~~ main.cpp:96:18: note: within this loop for(int i=1;i<=2*lim;++i) ~^~~~~~~ main.cpp: In function 'void power2()': main.cpp:104:16: warning: iteration 500003 invokes undefined behavior [-Waggressive-loop-optimizations] put2[i]=(put2[i-1]*A2)%B2; ~~~~~~~^~~~~~~~~~~~~~~~~~ main.cpp:103:18: note: within this loop for(int i=1;i<=2*lim;++i) ~^~~~~~~