Compilare: user.cpp: In function ‘int main()’: user.cpp:15:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&t); ^ user.cpp:19:48: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d%d%d%d",&a,&b,&c,&d,&e); ^ user.cpp: In function ‘int maxi1(int, int, int)’: user.cpp:61:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ user.cpp: In function ‘int maxi2(int, int, int)’: user.cpp:77:1: warning: control reaches end of non-void function [-Wreturn-type] } ^