Compilare: main.cpp: In function 'int main()': main.cpp:54:24: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&n); ^ main.cpp:56:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&v[i].y); ^ main.cpp:52:34: warning: 'imax' may be used uninitialized in this function [-Wmaybe-uninitialized] int n,i,j,s,max,nrplmax,nrpl,imax; ^~~~