Borderou de evaluare (job #857776)

Compilare: main.cpp: In function 'void read_tree()': main.cpp:45:9: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 45 | fscanf(fin, "%d %d", &n, &num_queries); | ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:48:11: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 48 | fscanf(fin, "%d %d", &u, &v); | ~~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void read_query()': main.cpp:95:9: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 95 | fscanf(fin, "%d", &query_size); | ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:97:11: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 97 | fscanf(fin, "%d", &q[i]); | ~~~~~~^~~~~~~~~~~~~~~~~~