Compilare: user.cpp: In function ‘int main()’: user.cpp:87:25: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘<anonymous struct>’ [-Wformat=] fprintf(g,"%d",din[1][n]); ^ user.cpp:17:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&n,&k); ^ user.cpp:18:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(i=1;i<=n;i++) fscanf(f,"%d",&m[0][i]); ^ user.cpp:19:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(i=1;i<=n;i++) fscanf(f,"%d",&m[1][i]); ^