Compilare: main.cpp: In function 'int main()': main.cpp:30:24: warning: variable 'y0' set but not used [-Wunused-but-set-variable] 30 | long long i,j,t,x0,y0,d; | ^~ main.cpp:174:34: warning: 'an12' may be used uninitialized [-Wmaybe-uninitialized] 174 | n123 = (an12 - a123)/r123 + 1; | ~~~~~~^~~~~~~ main.cpp:28:27: note: 'an12' was declared here 28 | long long an1,an2,an3,an12; | ^~~~