Compilare: user.cpp: In function ‘int main()’: user.cpp:23:10: warning: statement has no effect [-Wunused-value] for(n;n>0;n--){ ^ user.cpp:17:22: warning: variable ‘max’ set but not used [-Wunused-but-set-variable] int n,gmax,g,val,max,i; ^ user.cpp:20:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&n,&gmax); ^ user.cpp:24:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&g,&val); ^