Compilare: user.cpp: In function ‘void calculare()’: user.cpp:49:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (i=2;i<=n;i++) ^ user.cpp: In function ‘void citire()’: user.cpp:91:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d %d",&n,&m); ^ user.cpp:94:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d %d %d",&x,&y,&c); ^