Compilare: main.cpp: In function 'int dlog(int, int, int)': main.cpp:43:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < leaves.size(); ++i) { ~~^~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:58:23: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &t); ^ main.cpp:61:36: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d", &p, &g, &y); ^