Compilare: main.cpp: In function 'int main()': main.cpp:25:37: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d %lld", &n, &m ); ^ main.cpp:41:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%lld", &x ); ^ main.cpp: In function 'int caut_bin(long long int)': main.cpp:19:12: warning: 'sol' may be used uninitialized in this function [-Wmaybe-uninitialized] return sol; ^~~ main.cpp: In function 'int main()': main.cpp:50:41: warning: 'sol' may be used uninitialized in this function [-Wmaybe-uninitialized] long long pow_left = v[ poz ]; ^