Eroare de compilare: user.cpp: In function ‘int calc(int, int)’: user.cpp:80:25: error: invalid initialization of reference of type ‘int&’ from expression of type ‘short int’ int &ret = lgmax[st][dr]; ^ user.cpp: In function ‘int main()’: user.cpp:36:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.cpp:37:45: 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(fin, "%d", v+i); ^