Compilare: user.cpp: In function ‘int main()’: user.cpp:45:27: warning: too many arguments for format [-Wformat-extra-args] fscanf(fin,"&d",&a); ^ user.cpp:34:16: warning: unused variable ‘fout’ [-Wunused-variable] FILE *fin,*fout; ^ user.cpp:38:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d%d",&n,&m,&nb); ^ user.cpp:40:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&a,&b); ^ user.cpp:45:28: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"&d",&a); ^