trenuri1.cpp: In function 'void NormalDFS(int, int)': trenuri1.cpp:28: warning: comparison between signed and unsigned integer expressions trenuri1.cpp: In function 'void HeavyPathDFS(int, bool, int, int)': trenuri1.cpp:43: warning: comparison between signed and unsigned integer expressions trenuri1.cpp:52: warning: comparison between signed and unsigned integer expressions trenuri1.cpp: In function 'int main()': trenuri1.cpp:127: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x trenuri1.cpp:127: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x trenuri1.cpp:135: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x trenuri1.cpp:135: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x trenuri1.cpp:118: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result trenuri1.cpp:119: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result trenuri1.cpp:121: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result trenuri1.cpp:124: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result trenuri1.cpp:132: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result trenuri1.cpp: In function 'void HeavyPathDFS(int, bool, int, int)': trenuri1.cpp:36: warning: 'which' may be used uninitialized in this function