Compilare: main.cpp: In function 'int main()': main.cpp:20:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d%d",&c,&n,&k); ^ main.cpp:25:28: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&a); ^ main.cpp:50:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&v[i]); ^ main.cpp:84:45: warning: 'pmax' may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf(fout,"%d\n%d %d",lsolmax,psolmax-lsolmax+1,lsolmax); ~~~~~~~^~~~~~~~