datorii.cpp: In function 'int main()': datorii.cpp:247: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result datorii.cpp:248: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result datorii.cpp:250: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result datorii.cpp:251: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result datorii.cpp:253: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result datorii.cpp: In function 'void Dijsktra()': datorii.cpp:227: warning: array subscript is below array bounds datorii.cpp:223: warning: 'node' may be used uninitialized in this function