Answer to Question #37430 in C++ for Ajinkya Krishna

Question

Creating an adjacency matrix of the form
FRA JFK LHR ROC SYR YYZ
FRA 600
JFK 540 500 55
LHR 550
ROC 50 20
SYR 45
YYZ 480

The input is to be taken from an input file that contains:
ROC JFK 50
ROC YYZ 20
SYR JFK 45
JFK ROC 55
JFK LHR 500
YYZ LHR 480
JFK FRA 540
FRA JFK 600
LHR JFK 550

Note: Use only STL class [ vector ].