Eroare de compilare: user.cpp:6: error: size of array ‘a’ is too large user.cpp: In function ‘void citire()’: user.cpp:16: error: ‘a’ was not declared in this scope user.cpp:21: error: ‘a’ was not declared in this scope user.cpp:22: error: ‘a’ was not declared in this scope user.cpp:29: error: ‘a’ was not declared in this scope user.cpp:10: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result user.cpp:11: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp:15: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void dijkstra()’: user.cpp:53: error: ‘a’ was not declared in this scope user.cpp: In function ‘int main()’: user.cpp:67: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result