Compilare: main.cpp: In function 'int main()': main.cpp:14:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&G,&W); ^ main.cpp:16:43: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&v[i].e,&v[i].p); ^ main.cpp:11:26: warning: 'max' may be used uninitialized in this function [-Wmaybe-uninitialized] int G,W,pozmax,i,j,k,max; ^~~