Compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:78:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < v[n].size(); i++) ^ user.cpp:88:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(blocate[n] == v[n].size()) ^ user.cpp: In function ‘int main()’: user.cpp:97:67: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d%d%d%d", &cer, &nl, &nc, &pi, &pj, &nvulpi); ^ user.cpp:100:42: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d", &a, &b, &c); ^ user.cpp:122:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &ng); ^ user.cpp:125:48: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d%d%d", &a, &b, &c, &d); ^