Compilare: main.cpp: In function 'void calc_dp(std::vector<int>*, int**, int, int, bool*)': main.cpp:61:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < graph[node].size(); i++) { ~~^~~~~~~~~~~~~~~~~~~~ main.cpp:73:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < graph[0].size(); i++) { ~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:13:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &d); ^ main.cpp:19:36: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &x, &y); ^