Compilare: user.cpp: In function ‘int main()’: user.cpp:81:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(x<v[coada[st]].size()){ ^ user.cpp:54:44: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d%d%d",&n,&m,&start,&fi); ^ user.cpp:56:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&i,&j); ^ user.cpp:70:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&d[i].x); ^