Compilare: main.cpp: In function 'int main()': main.cpp:11:25: warning: unused variable 'cnt' [-Wunused-variable] 11 | int a , b, sum = 0, cnt = 0, j, ok, por, bug, sol, st, dr, mij; | ^~~ main.cpp:11:34: warning: unused variable 'j' [-Wunused-variable] 11 | int a , b, sum = 0, cnt = 0, j, ok, por, bug, sol, st, dr, mij; | ^ main.cpp:11:37: warning: unused variable 'ok' [-Wunused-variable] 11 | int a , b, sum = 0, cnt = 0, j, ok, por, bug, sol, st, dr, mij; | ^~ main.cpp:53:24: warning: 'sol' may be used uninitialized [-Wmaybe-uninitialized] 53 | fout << sol << "\n"; | ^~~~ main.cpp:11:51: note: 'sol' was declared here 11 | int a , b, sum = 0, cnt = 0, j, ok, por, bug, sol, st, dr, mij; | ^~~