Compilare: main.cpp: In function 'void SolveProblemNigga()': main.cpp:30:22: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&N); ^ main.cpp:33:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&X,&Y); ^ main.cpp:43:34: warning: 'drmax' may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf(g,"%d %d",stmax,drmax-stmax+1); ~~~~~^~~~~~ main.cpp:41:64: warning: 'stmin' may be used uninitialized in this function [-Wmaybe-uninitialized] BestSumOne=Stot-(-1)*(BestSumTwo),stmax=drmin+1,drmax=N+stmin-1; ~^~~~~~ main.cpp:41:48: warning: 'drmin' may be used uninitialized in this function [-Wmaybe-uninitialized] BestSumOne=Stot-(-1)*(BestSumTwo),stmax=drmin+1,drmax=N+stmin-1; ~~~~~^~~~~~~~