omizi.cpp: In function 'void DFSst(int, int)': omizi.cpp:25: warning: comparison between signed and unsigned integer expressions omizi.cpp: In function 'int gasire(int, int, int, int, int, int)': omizi.cpp:66: warning: no return statement in function returning non-void omizi.cpp: In function 'int main()': omizi.cpp:120: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result