Compilare: user.cpp: In function ‘void citire()’: user.cpp:19:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &m); ^ user.cpp:22:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &x); ^ user.cpp: In function ‘int main()’: user.cpp:102:40: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &nr1, &nr2); ^ user.cpp: In function ‘int lca()’: user.cpp:84:12: warning: ‘t’ may be used uninitialized in this function [-Wmaybe-uninitialized] return t; ^