Simple problem for beginners to learn how to connect stones in need. I don't see as many connect problems on this site so I thought I should contribute. Feel free to flag and/or comment if you find any problems.
(;AW[br]AW[bq]AW[bp]AW[bo]AB[cn]AB[dn]AB[cr]AB[dr]AB[ds]AW[es]AW[er]AW[eq]AW[fp]AW[eo]AB[fq]AB[fr]AB[fs]AB[hq]MA[cr]MA[dr]MA[ds]TR[cn]TR[dn]C[Uh-oh! Black's crossed stones seem to be in trouble. Connect them to the triangled stones to escape!]AP[goproblems]
(;B[dp];W[ep]
(;B[cp]C[Great! White has no way of cutting off Black now, as the bamboo joint is miai. (A and B)RIGHT]LB[cq:A]LB[dq:B]LB[co:A]LB[do:B])
(;B[do];W[dq]
(;B[cq];W[cp]C[:( Your stones are cut off.])
(;B[cp];W[cq]C[:( Your stones are cut off.])
(;B[co];W[cp]C[:( Your stones are cut off.]))
(;B[co];W[dq]
(;B[cq];W[cp]C[:( Your stones are cut off.])
(;B[cp];W[cq]C[:( Your stones are cut off.])
(;B[do];W[cp]C[:( Your stones are cut off.]))
(;B[dq];W[do]
(;B[co];W[cp]C[:( Your stones are cut off.])
(;B[cp];W[co]C[:( Your stones are cut off.])
(;B[cq];W[cp]C[:( Your stones are cut off.]))
(;B[cq];W[cp]
(;B[do];W[dq]C[:( Your stones are cut off.])
(;B[dq];W[do]C[:( Your stones are cut off.])
(;B[co];W[do]C[:( Your stones are cut off.])))
(;B[dq];W[ep]
(;B[dp];W[do]
(;B[co];W[cp]C[:( Your stones are cut off.])
(;B[cp];W[co]C[:( Your stones are cut off.])
(;B[cq];W[co]C[:( Your stones are cut off.]))
(;B[cp];W[co]
(;B[do];W[dp]C[:( Your stones are cut off.])
(;B[dp];W[do]C[:( Your stones are cut off.])
(;B[cq];W[do]C[:( Your stones are cut off.]))
(;B[cq];W[co]
(;B[do];W[dp]C[:( Your stones are cut off.])
(;B[dp];W[do]C[:( Your stones are cut off.])
(;B[cp];W[do]C[:( Your stones are cut off.]))
(;B[co];W[cp]
(;B[dp];W[do]C[:( Your stones are cut off.])
(;B[do];W[dp]C[:( Your stones are cut off.])
(;B[cq];W[do]C[:( Your stones are cut off.]))
(;B[do];W[dp]
(;B[cp];W[co]C[:( Your stones are cut off.])
(;B[cq];W[co]C[:( Your stones are cut off.])
(;B[co];W[cp]C[:( Your stones are cut off.])))
(;B[ep];W[dp]C[:( Your stones are cut off. The throw-in does nothing here.])
(;B[do];W[dp]C[:( Your stones are cut off.])
(;B[cp];W[dp]LB[co:A]LB[cq:B]C[A and B are miai to connect. The atari at C does not do anything helpful.]LB[dq:C])
(;B[cq];W[cp]
(;B[dp];W[do]C[:( Your stones are cut off.])
(;B[dq];W[ep]
(;B[dp];W[do]C[:( Your stones are cut off.])
(;B[do];W[dp]C[:( Your stones are cut off.]))
(;B[do];W[dp]C[:( Your stones are cut off.])
(;B[co];W[do]C[:( Your stones are cut off.])
(;B[ep];W[dp]C[:( Your stones are cut off. The throw-in doesn't do anything helpful.
]))
(;B[co];W[cp]
(;B[dp];W[dq]C[:( Your stones are cut off.])
(;B[do];W[dp]C[:( Your stones are cut off.])
(;B[dq];W[ep]
(;B[dp];W[do]C[:( Your stones are cut off.])
(;B[do];W[dp]C[:( Your stones are cut off.])
(;B[cq];W[dp]C[:( Your stones are cut off.]))
(;B[ep];W[dp]C[:( Your stones are cut off. The throw-in doesn't do anything helpful.])
(;B[cq];W[dq]C[:( Your stones are cut off.])))