Borderou de evaluare (job #267509)

Compilare: user.cpp: In function ‘void dfs(int)’: user.cpp:31:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘void relabel(int)’: user.cpp:95:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘void discharge(int)’: user.cpp:110:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘void pushRelabel(int, int)’: user.cpp:132:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘void write()’: user.cpp:162:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] user.cpp: In function ‘void read()’: user.cpp:38:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] user.cpp:42:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]