Borderou de evaluare (job #540418)

Compilare: user.cpp: In function ‘int findSet(size_t)’: user.cpp:21:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘int kruskals(size_t)’: user.cpp:46:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:51:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘int main()’: user.cpp:68:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp:76:9: warning: unused variable ‘best_mst’ [-Wunused-variable] user.cpp:64:52: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:70:74: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]