remove 1562.c
add branch introduciton
add the poj 1562 test data
 git add 1562.c since test command 'git merge'
poj 1562.c was AC
 modify README.md for poj 1562
 poj 2386 was AC
add the poj 2386 test data
add poj 2386
optimize 2386.c
frist submit and have already AC (poj 1979)
add the poj 1979 test data
add poj 1979