Compilare: user.cpp: In function ‘int main()’: user.cpp:20:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d%d",&m,&n); ^ user.cpp:24:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d",&l); ^ user.cpp:28:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d",&x); ^ user.cpp:80:9: warning: ‘sol2’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(sol1 > sol2) ^ user.cpp:80:9: warning: ‘sol1’ may be used uninitialized in this function [-Wmaybe-uninitialized] user.cpp:62:9: warning: ‘max1’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(max1 <= suspect[i]) ^