Borderou de evaluare (job #857775)

Compilare: main.cpp: In function 'void read_tree()': main.cpp:87:9: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 87 | fscanf(fin, "%d %d", &n, &num_queries); | ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:90:11: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 90 | fscanf(fin, "%d %d", &u, &v); | ~~~~~~^~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void read_query()': main.cpp:119:9: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 119 | fscanf(fin, "%d", &query_size); | ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:121:11: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result] 121 | fscanf(fin, "%d", &q[i]); | ~~~~~~^~~~~~~~~~~~~~~~~~