Compilare: main.cpp: In function 'int cautare(int)': main.cpp:43:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<hashuri[haesh].size(); ++i) ~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:53:25: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &n); ^ main.cpp:57:35: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%d", &x, &y); ^