Compilare: user.cpp: In function ‘int main()’: user.cpp:65:35: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘long long int’ [-Wformat=] fprintf(fout, "%d\n", sol1[2][2]); ^ user.cpp:44:7: warning: unused variable ‘P’ [-Wunused-variable] int P; ^ user.cpp:46:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &N); ^