gard.cpp: In function 'int Dijkstra(int, int)': gard.cpp:39: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x gard.cpp:39: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x gard.cpp:61: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x gard.cpp:61: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x gard.cpp: In function 'int main()': gard.cpp:69: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result gard.cpp:70: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result gard.cpp:72: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result gard.cpp:75: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result gard.cpp:71: warning: 'startY' may be used uninitialized in this function gard.cpp:71: warning: 'startX' may be used uninitialized in this function