Compilare: user.cpp: In function ‘int main()’: user.cpp:53:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(s[j]==' '|| j>=strlen(s)) d1[i][j+1]=d2[i][j+1]=1; ^ user.cpp:43:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&n,&m); ^ user.cpp:46:25: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets (s , 101 , f);//pentru golire buffer ^ user.cpp:50:24: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets (s , 101 , f); ^