Compilare: user.cpp: In function ‘void DFS(int)’: user.cpp:29:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<v[x].size();i++) ^ user.cpp: In function ‘void Solve()’: user.cpp:81:10: warning: unused variable ‘j’ [-Wunused-variable] { int i,j,x,zi,nod,tip,m,t,ind; ^ user.cpp: In function ‘int main()’: user.cpp:120:9: warning: unused variable ‘j’ [-Wunused-variable] { int i,j,x; ^ user.cpp: In function ‘void Solve()’: user.cpp:83:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&m); ^ user.cpp:85:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] { fscanf(f,"%d %d %d",&zi,&nod,&tip); ^ user.cpp:92:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&t); ^ user.cpp:94:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] { fscanf(f,"%d",&x); ^ user.cpp: In function ‘int main()’: user.cpp:121:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:124:24: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] { fscanf(f,"%d",&x); ^