Compilare: user.cpp: In function ‘int main()’: user.cpp:102:46: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<a[i].cuvinte.length();j++) ^ user.cpp:23:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%c",&ch); ^