Compilare: user.cpp: In function ‘int main()’: user.cpp:66: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:67: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:71: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:76: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void bfs(int, int)’: user.cpp:30: warning: ‘xSol’ may be used uninitialized in this function user.cpp:30: warning: ‘ySol’ may be used uninitialized in this function user.cpp: In function ‘int main()’: user.cpp:69: warning: ‘xStart’ may be used uninitialized in this function user.cpp:69: warning: ‘yStart’ may be used uninitialized in this function