Compilare: user.cpp: In function ‘int main()’: user.cpp:50:37: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < v[nod].size(); i++) ^ user.cpp:20:18: warning: unused variable ‘j’ [-Wunused-variable] int n, m, i, j, x, y, nod, sursa, k = 1, cc = 0; ^ user.cpp:25:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&n); ^ user.cpp:26:22: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&m); ^ user.cpp:30:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&x); ^ user.cpp:31:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&y); ^