In file included from /usr/include/c++/4.4/cstdint:35, from ubuntzei.cpp:1: /usr/include/c++/4.4/c++0x_warning.h:31:2: error: #error This file requires compiler and library support for the upcoming ISO C++ standard, C++0x. This support is currently experimental, and must be enabled with the -std=c++0x or -std=gnu++0x compiler options. ubuntzei.cpp:8: error: expected nested-name-specifier before 'Pair' ubuntzei.cpp:8: error: 'Pair' has not been declared ubuntzei.cpp:8: error: expected ';' before '=' token ubuntzei.cpp:8: error: expected unqualified-id before '=' token ubuntzei.cpp:9: error: expected nested-name-specifier before 'Matrix' ubuntzei.cpp:9: error: 'Matrix' has not been declared ubuntzei.cpp:9: error: expected ';' before '=' token ubuntzei.cpp:9: error: expected unqualified-id before '=' token ubuntzei.cpp:11: error: expected nested-name-specifier before 'Graph' ubuntzei.cpp:11: error: 'Graph' has not been declared ubuntzei.cpp:11: error: expected ';' before '=' token ubuntzei.cpp:11: error: expected unqualified-id before '=' token ubuntzei.cpp:12: error: expected nested-name-specifier before 'Heap' ubuntzei.cpp:12: error: 'Heap' has not been declared ubuntzei.cpp:12: error: expected ';' before '=' token ubuntzei.cpp:12: error: expected unqualified-id before '=' token ubuntzei.cpp:14: error: 'constexpr' does not name a type ubuntzei.cpp:16: error: ISO C++ forbids declaration of 'Graph' with no type ubuntzei.cpp:16: error: expected ',' or '...' before '&' token ubuntzei.cpp: In function 'std::vector<long long int, std::allocator<long long int> > Dijkstra(int)': ubuntzei.cpp:18: error: 'g' was not declared in this scope ubuntzei.cpp:18: error: 'kInf' was not declared in this scope ubuntzei.cpp:19: error: 'Heap' was not declared in this scope ubuntzei.cpp:19: error: expected ';' before 'heap' ubuntzei.cpp:21: error: 'start' was not declared in this scope ubuntzei.cpp:22: error: 'heap' was not declared in this scope ubuntzei.cpp:22: warning: extended initializer lists only available with -std=c++0x or -std=gnu++0x ubuntzei.cpp:25: warning: 'auto' will change meaning in C++0x; please remove it ubuntzei.cpp:25: error: ISO C++ forbids declaration of 'distance' with no type ubuntzei.cpp:26: warning: 'auto' will change meaning in C++0x; please remove it ubuntzei.cpp:26: error: ISO C++ forbids declaration of 'node' with no type ubuntzei.cpp:33: warning: 'auto' will change meaning in C++0x; please remove it ubuntzei.cpp:33: error: expected initializer before ':' token ubuntzei.cpp:144: error: expected primary-expression at end of input ubuntzei.cpp:144: error: expected ';' at end of input ubuntzei.cpp:144: error: expected primary-expression at end of input ubuntzei.cpp:144: error: expected ')' at end of input ubuntzei.cpp:144: error: expected statement at end of input ubuntzei.cpp:144: error: expected '}' at end of input ubuntzei.cpp:144: error: expected '}' at end of input ubuntzei.cpp:144: warning: no return statement in function returning non-void