View Compilation Error

693070_0_0_1131.cpp:5: error: ISO C++ forbids declaration of `INF' with no type
693070_0_0_1131.cpp: In function `int main()':
693070_0_0_1131.cpp:104: error: `swap' undeclared (first use this function)
693070_0_0_1131.cpp:104: error: (Each undeclared identifier is reported only once for each function it appears in.)