croco.cpp: In function 'int BFS()': croco.cpp:31: warning: comparison between signed and unsigned integer expressions croco.cpp: In function 'void Path(int, int)': croco.cpp:57: warning: comparison between signed and unsigned integer expressions croco.cpp: In function 'int main()': croco.cpp:86: warning: comparison between signed and unsigned integer expressions croco.cpp:75: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result croco.cpp:78: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result