Compilare: user.cpp: In function ‘int main()’: user.cpp:20:32: warning: format ‘%d’ expects argument of type ‘int*’, but argument 5 has type ‘long int*’ [-Wformat=] fscanf (f,"%d%d%d",&n,&m,&t); ^ user.cpp:18:33: warning: unused variable ‘cont’ [-Wunused-variable] int n,m,i,c[101][101],x,y,z,cont,s,j,k; ^ user.cpp:20:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (f,"%d%d%d",&n,&m,&t); ^ user.cpp:24:33: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&v[i].val); ^ user.cpp:51:36: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d%d",&x,&y,&z); ^