Compilare: user.cpp: In function ‘int main()’: user.cpp:30:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=0;j<l[x].size();j++) ^ user.cpp:12:34: warning: unused variable ‘maxd’ [-Wunused-variable] int i,j,x,y,lgcoada=0,maxi=0,maxd=0; ^ user.cpp:13:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d %d",&n,&p,&k); //n capete, p noduri, k perechi de muchii ^ user.cpp:15:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&v1[i],&v2[i]); ^ user.cpp:18:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&x,&y); ^