Compilare: user.cpp: In function ‘int main()’: user.cpp:30:17: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[5001]’ [-Wformat=] fscanf(f,"%s",&s); ^ user.cpp:42:37: warning: format ‘%s’ expects argument of type ‘char*’, but argument 3 has type ‘char (*)[5001]’ [-Wformat=] for(i=0;i<n;i++) fscanf(f,"%s",&a[i]),v[i]=strlen(a[i]); ^ user.cpp:25:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&p,&n); ^ user.cpp:30:18: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%s",&s); ^ user.cpp:42:56: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(i=0;i<n;i++) fscanf(f,"%s",&a[i]),v[i]=strlen(a[i]); ^