preflow demo (LEDA)... elapsed time: 0.510031 sec flow value: 6068 preflow demo (BOOST)... elapsed time: 1.32288 sec flow value: 6068 preflow demo (preflow_push_max_flow by JACINT)... elapsed time: 0.300136 sec flow value: 6068 cut value: 6068 preflow demo (preflow_push_hl by JACINT)... A is 1 elapsed time: 0.4667 sec flow value: 6068 cut value: 6068 preflow demo (ATHOS)... elapsed time: 0.150702 sec flow value: 415 edmonds karp demo... elapsed time: 62.3518 sec flow value: 6068 edmonds karp demo (ALPAR)... elapsed time: 58.7259 sec flow value: 6068 edmonds karp demo (BOOST)... elapsed time: 185.794 sec flow value: 6068