Compilare: user.cpp: In function ‘int main()’: user.cpp:32:22: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long long int*’ [-Wformat=] fscanf(in,"%d",&n); ^ user.cpp:37:74: warning: format ‘%d’ expects argument of type ‘int*’, but argument 6 has type ‘long long int*’ [-Wformat=] fscanf(in,"%lld %lld %lld %d",&x.v[3][3],&x.v[2][3],&x.v[1][3],&k); ^ user.cpp:41:90: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf(out,"%d\n",(y.v[1][3]*init[1]+y.v[2][3]*init[2]+y.v[3][3]*init[3])%666013); ^ user.cpp:31:29: warning: unused variable ‘j’ [-Wunused-variable] long long n,i,k,init[4],j; ^ user.cpp:32:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%d",&n); ^ user.cpp:36:63: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%lld %lld %lld",&init[1],&init[2],&init[3]); ^ user.cpp:37:75: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in,"%lld %lld %lld %d",&x.v[3][3],&x.v[2][3],&x.v[1][3],&k); ^ user.cpp: In function ‘MATRIX multiply(int)’: user.cpp:64:1: warning: control reaches end of non-void function [-Wreturn-type] } ^