Compilare: user.cpp: In function ‘void read()’: user.cpp:108:32: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d %d", &N, &Q); ^ user.cpp:112:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &A[0][i]); /* PRIMUL STRAMOS AL NODULUI i ESTE CHIAR TATAL ACESTUIA */ ^ user.cpp: In function ‘int query()’: user.cpp:140:35: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d %d", &node, &P); ^