Compilare: user.cpp: In function ‘int main()’: user.cpp:24:27: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets (s[n+1],100,fin); ^ user.cpp:27:31: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets (s[n+1],100,fin); ^ user.cpp: In function ‘int cmlsc(int, int)’: user.cpp:16:20: warning: ‘j’ may be used uninitialized in this function [-Wmaybe-uninitialized] return d[i-1][j-1]; ^