ch3-5 离交往最近的距离（1 / 1）

PmMvPCknICcgLCcgPmMvPI2A44G874a65Lm+6Ku66JGI5rCI5bC16KiK5bu45KC95LCI5Ymt56aA4qaA4o665Ii755GI5oyA4yA+Yzw+Yy88jYDjgoDji4/li5zms6XlhJrnkYjmr5jmoL3kjLzvurrkiZzmgInmpZ/nipHlmrzkkYjmjIDjmrzvtK/ohJrnl5zmvYjnjLzvj4TmkaznhJrngoPnv4HnuYrmgLjkt7Xovrzms43li5fmjLzvi7jkgLjkhrrko4TmhoHmsZjmoKvnID5jPD5jLzyCgOOul+mwnOWwo+WPsOWuvuWln+eLruWNgOOfvO+ageWIueSOgOaavOSgveSMvO+dr+iEmuegveSirOacluWEmuefnOeRiOacnuaCpuWmgOKmgOKGgeaxmOagq+eMgOMgPmM8PmMvPJ+875eQ5Y+E5oO/5YSa57G35aqH6Jqv6Kad5YGm6LGw5aic5bCO57ml5Z+875eQ5bSv6KWv6Lml5SA+Yzw+Yy88jYDjpoDipoDikYjmjIDjID5jPD5jLzyCgOO6uuSTkOWXvuWrv+WmuuWfgOmzt+iDv+WMvO+rg+eRj+WLm+i4hOiMvO+EmueSl+eSl+e1nOazgOiXvuWJp+iuvuWln+eLruWCgOO2iue0pOWzi+aQiOapvOeQuOaQgOmLieaMj+WEmueBl+a/heinpOWonOWGkeYgPmM8PmMvPI2A45+875eQ5Ya65KiK5YO/5ZGI5rq45KC95Iy877q45IqH6aOn6KW75K+P5ZGI5oyA44y874+E5pGs54aI5aCH5YCd56a45bOf6ZOX5YSa54my5o695Iy877m+6LOA6ISa566+5aWf54uu5bCI5ZGH5bS35bSY5Yy877CF6K+85a6+5a6+5YaB5rGY5qCr5yA+Yzw+Yy88jYDjpoDipoDina/ohJrnnr7ns67ljIDokYjmurjkoJvlr5jmoL3knJ7mgqbljIDjjLzvsYjnr4/loIrltJvml77liafoqo/ljLzvrbjkvJznhoHmsZjmoKvnqJzli5znjLzvt6DmoajmhJrnurzlnoDpuaXlID5jPD5jLzyNgOOCgOO3oOaIueSOgOaMvO+GuuSevuezruWvmOaxsOWRiOaMvO+ZlOmhsuamgOKmgOKRiOaBgOORiOaMgOOMvO+mtuaiuueRj+WIhOaLm+i4hOiEmue5peWXvuW/veSMvO+xueSMhea6uOSgm+WMvO+0pOW3teisiua2hOebjOeuvuWln+eLruUgPmM8PmMvPIKA46yJ5oq45JGP5Yq26JKn6IeU5Yy877G35r255Ze+5ZiP5Z6l57yc54Sa55a75Iy874qi6biE6ISa56K655Of5q6+5aWf54uu5bCI5Y+E5qiz5oaB5rGY5qCr542A45+875eQ5Ya65J6+57Ou5aC95Iy8766+5a6+5YyA4yA+Yzw+Yy88goDjk4HplLrlnpvls5/pu7zphJrnrr7lu73opbvkuaXljYDjgoDjr5fljIDjjLzvtKTli7jkgp7lhJrniofos67lrr7lpZ/ni67lID5jPD5jLzyNgOOfvO+XkOWTgemln+eMvO+3uuWlgeWpvuWigeantOe2teiBpuixsOWgveSMvO+dr+iEmue7juWNuOSPhOaHv+iXvuWJp+iMgOOMvO+Rj+W0pOWEmueuvuWln+eLruWJj+aGuuSJj+aMvO+Liea6h+W4vOSWu+SMvO+PhOaRrOeEmueFteaFtea5iuaAuOS3teisieaKuOS4hOiEmueGgeaxmOagq+eMvO+AqOi7l+kgPmM8PmMvPIKA44+E5omt5oSa56G75qG75oCd56a45ZSw5q2v6ISa57ml5Y2A44KA45Ck6amK5aqH6IOQ5ZGI5oCd55+36Je+5aC95LOu5Yy877eg5pm/6LWG5baK55O95Ku66ISa55GI5oy874qV5Ymt5rGK5oyA44y876St5oKm5a+Y5p6u5a6h54y877OD5oa65LOD5q6+5aWf54uu5SA+Yzw+Yy88jYDjgoDjuaHpiYDphJrnnI/oj7DlpbLnhbjmiZzmqo/lj4PlvaXljLzvqYnnn6PphJrnu4XoubLmg5DlvYPojbjkoL3kn6vnla/mn7zvl5DlnI/oj7DlpbLnhbjmtJfpo4Lpu47ljYblgaboo4LpjLzvpbvkr4/ljIDjjLzvqrvnhYPmmqTlqqTluofljbjki5znjLzvtoTnobfmsononqXnhoHmsZjmoKvnID5jPD5jLzyCgOO0m+WbsOaEmuessOW3sOWlheW3memGgeaxmOagq+eMkuWuvuWln+eLruW0h+i8r+WMvO+1huW2iueRj+WBqueIueSAu+SJnOahsuaMvO+Hv+imuuWpiOW6oemvmOa9g+m+r+iZlea2ruWCoOWPr+aeruW2heWMvO+RrOepjueAvOWLuuS2u+SZv+i/i+aBpuiNuOSIuOWBgOiZlea2ruWBpuiqj+WCgOO+r+iKuOSonOWBgOaDv+WEmueNgOO6uuQ+YzwgJygpJyAnICwnID5jLzyriOWvmOaxsOWEmuessOW3sOWMvO+ssOW3sOWNuOSxt+Wqh+iBpuiqj+WMgOOAneeBjOaxiuauvuWln+eLruWfvO+XkOWssOW3sOWavOSNuOS+r+iZlea2ruWKuOS3teiAuOQgPmM8PmMvPIKA472Z54qR5YSa54aB5rGY5qCr552755KL5qGs5pqk5a6+5aWf54uu5ZOB6aWf55+55Iy875+E5r2l5Ymc5rml5bmv5YaB5rGY5qCr55OB6aWf55+55Ii45YGA6JmV5rau5Yy8776v6JmV5rau5Yq45Le16IC45LGw5YaB5rGY5qCr55+36Lml5Yy874un5YC85a245L2b5Y675CA+Yzw+Yy88jYDjn7zvvaXljbjkvaXljLzvraXpg5Dlop3plqTlqJzliIXlrLvkkYjmjLzvjYnli7nkvq/omZXmtq7lirjkqaTlirvkjIDjmrzvk4Hpo4/lgLzljLzvlLDmh4vlt7Xok7zpjLzvo5Pnh5Tlv4rmhrrkv4rmjLzvjYnlop3phoHmsZjmoKvnsIjlsLXorr7lpZ/ni67lID5jPD5jLzyCgOOxt+Wqh+iRkOWwteiuvuWln+eLruWFvuWJreeMvO+wnOWfjuWonOWZq+eMvO+ruuiHv+isveiMvO+GgeaxmOagq+eEmueklOW8keWwiOWskOUgPmM8PmMvPIKA47Of6bCj5YSa54O/5YWG5bmv5aKd6baE56ad5Yy875u/6I2J5ZGQ5aKV5oeL5YGm6Iy875St6YO/5aSZ6bSg54Gm6Lml5YCU4oCU4pWz5rOD5qq45IC45Imc5qqP5a6+5aWf54uu5Yy874q75IKm5Yy874a65LuO5Ye/6K+Y5r2D6aOC6SA+Yzw+Yy88jYDjgoDjhoHmsZjmoKvnjIDjID5jPD5jLzyCgOONoue7mOmEmuelreaAuOSbv+i0m+a0l+mLueSGgeaxmOagq+eOuOS5peW6uOSQiOaMvO+UremDv+WEmue5peW6uOSgm+Wqj+WMvO+ageWIueSZv+iJnOahsuaIu+eLp+W5peWMvO+MgOi2hOcgPmM8PmMvPIKA472Z54qR5YSa54aB5rGY5qCr55S65ZSt56OP5YC45K+Y5paI5oy874Kx5rev6IC+5aS65LqH5ZCP5oaB5rGY5qCr55GQ5Yy874K/5LOF5YSa56yp6bmr54Wi5pKd6a+Y5qSt5ry95YCd55e75KW75K+P5bml5Yy877+K5Zi85Imc5qCN5bml5bSv6L2D6bq65ISa54GX5qu66Iy877um55236ISa55G/6ICc5oC+5aS65Lum57Wu5oC45K+Y5qOC6SA+Yzw+Yy88goDjkK3lmoLonpvlnpDlh7Hmja/ohJrnn5TnjJnpm7rko4LphrDln5Tnn5TnrKHnjLzvjYnli7nko4/luofltK/oqJzltI3ljLzvj4Tmg7/lia/ovoDlhoHmsZjmoKvnua/lgabos4PmoazmoIflvaXlrr7lpZ/ni67ltIfovK/ljLzvqJTnnL3khJrnuojluaDmo4LpurjkoJvlr5jmsbDluK7olojmID5jPD5jLzyCgOO5peWIkOWCgOmAnOaNieaMvO+Fg+aooeiEmuenuOStk+WMvO+Br+aVkuarouiavOSll+aAuOSJnOaIu+e5ruWRrOeEmueHgeWameiMvO+Ppue4ueWEmuejreafnOeJnOali+aVs+agl+agveSAlOKAlOK5peWAneeShumQj+aonOWMvO+6iOW5oOajgumvmOaMvO+bl+ecveSQmumQmumavOS/vuSjj+W4g+iMvO+2l+aVu+e0m+WPpue4ueWroui5peWonOWMvO+EpOWxt+aDv+WFhuWEmueuvuWln+eLruWonOWOieaxt+aMvO+siOiAuOS6iOW5oOaAuOSMkOWCpuWdr+ilj+WZv+ggPmM8PmMvPI2A44G876KR5Zqk5Yi+5ZiP5YSa55+c54y875GQ5Zak5YGA47yz5ru05oO+6JSv5rGw5ZmA5baX5o+w5Yy875md6YeW5oO+6JSv5oy875uV5oWG5YO+6JSv5qWd5re16Iuc57q65Kq45LSV5oy875qk5biu6J+G55CI5oSa55+c566+5aWf54y875Sv5rib55mA5baX5o+w5Z+36IyA45q8752v6KWP5YC45Ia65LSv6Lml5Yy8746Q5aKt5r645Iyh6ICo6ISa566+5aWf54uu5bCI5Y+E5qiz5pqI5rK65I295Imc5oy877aX5rau5Zio5Z6b5Ymu5baf6Z+t5YCd55+36LaX5rS55Ye/6Je+5bCu6ICo552+5CA+Yzw+Yy88goDjqa3ls6XlhJrnkZDllqTlgYDjuZbmp6TlgYDjl5zmgLzlqrjko4Lpu47lh7/or5jmjYbljbjkn7nkuaXljLzvtpfmjJDljLzvg7/lhJrnsbflqoforZfpgbDlv77krr7lpZ/ni67ljLzvjpDlmqnlu6bnja/mtojnqJzlr5jmgqbmp6TljLzvtpfmlb3kpZ/njbjkjLzvr5jmhr3kID5jPD5jLzyCgOOHseaNr+iEmue8oOangOa5luanpOWBgOORkOWWpOW5peW5ruWiveWbuuSAuOSvmOa9g+kgPmM8PmMvPI2A44KA45GQ5Zak5b2l5aC95IyA4yA+Yzw+Yy88jYDjgoDjvLPmu7TmvaXloL3kjIDjID5jPD5jLzyNvO+NvO+vmOaapOWnpOW3u+SEr+iEmue5peW5r+Wsu+S6uuSnpOWMvO+ZgOW2l+aEmueaqeW7pueqnOaasOWNr+a2iOeMvO+ZgOW2l+aEmuePsOWXvuWwrui5peUgPmM8PmMvPIKA45ql5oW45rSv6J2v6IqK5oy874qB6IC45IqB6IaB5rGY5qCr56a657OD5rml5Yy877uO5bC16IaB5rGY5qCr54Cd552c5q+Y5rSN5a6+5aWf54uu5Yy874yA6LaE54y876iK5bun55GQ5bmW5oSa56Su5ZmV5oC+5a27562754aZ6YaZ6ay75Kat5YyQ5SA+Yzw+Yy88goDju47lsLXopK7lrIXlnorlgL7lv77kq7roh7/orL3ov53muaTlgJ3nv4vmiLjlgYDosoLok73kjYDjgoDjp5Dlvq/oi7jkjLzvtJfptpfmvq/oi7jkrLvkoL3kr6/ovYDojbjkjLzvp5DlvaXljIDjID5jPD5jLzyCgOO3teiNk+W2l+aCgOmwo+WYkOm+r+iLuOSMvO+lj+Wgh+WumOWoj+UgPmM8PmMvPIKA45Sw5reG5YC85Y2G5b655KaT5pex5oaw5YGm6J+55Iy8742T5raU5p6u5a6h56at5YyQ5YSa57qc5Yq45Imc5o2J5pqI5ZKG6ZCP5oy8752v6KWP5aCH5aO75KS65Ii45YGA6LKC6JO95IKA47SX6baX5r6v6Iu45Ia65LCI5Z+55Iq45Kyc5rqf5Yy874W55I245J+d5pO755u16JSv5iA+Yzw+Yy88goDjtJvlm7DmgJ3mg4LohJrntpfmm7XolK/mhrrkjJLlk7znn7nkna/ovpzlg57lhJrntK/ov5XphZPmgJzmrLvkn5Tnt5TnjLzvhJrmkq/ljYnlirjki4nmiYDphJrnrY/npLjkID5jPD5jLzyCgOOpiOWcg+iLuOS/i+atuOSbteiUr+aEmuebiuWljua6sOWsheW+meebm+WQreW3lOeonOWnuuetj+eEmueGgeaxmOagq+exlOevmOaOkOWAnOaMvO+Jgue6h+WcnuaTu+ebteiUr+YgPmM8PmMvPIG876eQ5ZuP5YyD6Jeu54245J+55KWv6JS65Yy877my5qCK5YaB5rGY5qCr56645YOw6Jir6Ymc5qGy5p+55Lml5Yy874e/6I245CA+Yzw+Yy88goDjpq3ljJDlhJrnirjkrY/nsbflqofohrrkm4/ljIPoj4PlvaXljLzvubLmoIrlhoHmsZjmoKvnrrjlt6Dmmb/ouaXljLzvp7jkrrLmr5jmmL/otIXlmKvppa/or5jmk4HppZ/njbjkrr7lpZ/ni67lID5jPD5jLzyBvO+7puedt+i1ruaAuOSAvOWJi+anuuetj+eEmueuvuWln+eLruWOuOSUuOSMgOiMvO+So+aAuOSOkOWAnOaZu+eSo+agvOSGsOWzjeWGgeaxmOagq+eAlOKAlOKvmOaEmueBpuiNh+mAnOYgPmM8PmMvPIKA46iU54mc5qGy5qiF5Yyu5Yy874Sa56Gy5oSa54mc5pu65Jm/6LOD5oy877my5qCK5YaB5rGY5qCr57+b5oGm6KWv6JS65bml5Yy875mA5baX5oSa572Q6I695Kq754WD5q+Y5o245Kic5bCO54y874yA6LaE5yA+Yzw+Yy88goDjvZDojr3kl77lmI/ll77lsZTnjbjkhYPmg7/lhJrnpoLmnJbljLzvpK3mio/lnYDmID5jPD5jLzyCgOOWu+SAnee0vOSqmem6uuSJnOaavOSaruWvguimgOKmgOKBl+aruuiGgeaxmOagq+eMvO+lneaAvuW4m+eNuOSMvO+Co+izhuWFg+afhOaGgeaxmOagq+eOuOS5peWppOWqk+Wli+iYgOWMvO+vmOaEmuearuWuoeelu+Svj+WRsOWzh+ggPmM8PmMvPIKA46Gx6Lmv5YSa55WF5rC75J+U57Ol5Zqk5biu6K+Y5oy875ir6ZSw5rq65Ja75Iy874yO5aiu6Kat5YyQ5aui6Leg5oC45LG35aqH6I+D5Y245IaB5rGY5qCr57q45KCb5YKA47SF5Zir6Yi+5bCI5Z+E5q6+5aWf54uu5Yy876St5rq45CA+Yzw+Yy88goDjlLDmk4nmubLmoIrlhoHmsZjmoKvnurjkqJzlr5jmvYPpmqTluK7ojLzvsKPlubLmoIrlhJrnvZDovL3lt7XopK3mub7os4DoID5jPD5jLzyCgOOwqemUpeWrv+Weo+muveeNveSonOWAieaEmueSo+abm+WsrOeAvuWMvO+6jOWbiuWljua6h+WdoeipiOW6oemMvO+So+aljuaQiOaMruWnt+WjreaGgeaxmOagq+cgPmM8PmMvPIKA45u16JSv5oSa56245Iyh6Ju/6Kic5b6U5qiF5ZuK5Y+E5qiz5oaw5a6+5aWf54uu5Yy875Wv5q2v6I2A44KA472R5YC45KC95Lal6YiF5ZGI5oy874q45IaI5YSa54aB5rGY5qCr56ic5Yuc54yA44y875Kn6LSY5a+J5oa65K+J5q6+5aWf54uu5SA+Yzw+Yy88goDjv7rnhqfogLzlq4jlsJzlmpnog7/lu6PmgYPpqrTmjYDjgoDjtK/ovaXljbjkpoDipoDig5HljIDjID5jPD5jLzyCgOOGuuSxt+Wqh+iLnOeIueSOgOavmOa7o+aBg+mqtOaTgemln+ePg+W9peWuvuWln+eLruWNgOOfvO+XkOWvmOaMvO+7guWIvuWRiOaXvuWJp+i9g+mNieWlu+SgveSMvO+lu+SAieaMgOMgPmM8PmMvPI2A44KA44a65LuC5Y245LGw5aC95Iy874a65I2q54C85aC95LaE56KX5oy876+Y5oa95IG874qV5buC5b2l5YyA45q877Sv6ICd55Gs54y874CG6KmC6ISa566+5aWf54uu5YCd576L5YuJ5oy875Sw5Z6O6Luj5oGD6aq05iA+Yzw+Yy88goDjkaznhrrkkaznsJzlspjlqoforr7lpZ/ni67ljYDjn7zvu4LliL7lr5jmjbjkr5jmkYjmpoDipoDitK/ooL3kjLzvu6PmgYPpjIDjID5jPD5jLzyCgOOvmOaNiea9meeKkeW5peWxlOevmOaMvO+5r+WNuOSMvO+9meeKkeWGgeaxmOagq+eOuOSUuuWUreemgOKmgOKJnOaqj+WfueSCpuanpOWMvO+PvOW5luaEmueYv+i/geWAuOSvlOWMvO+MruWNuOSYv+ifueSYv+iMvO+Fg+apgeaEmueGgeaxmOagq+egrOa5peUgPmM8PmMvPIKA46Gs5pGw5Zqk5Za75J2755KL5rGw5bml5Yy876Ks5pyW5aGs5pGw5Zqk5Ye/6LSv6Lml5bmv5Za75CA+Yzw+Yy88goDjo4/luoflk4Hpj4Tmg7/lhJrnlrvkhrDlsJzlnq7lmq/on7nkjLzvj4Tmg7/lhJrnsbflqofok5nmpZ/nv77kqZfmgYDohoHmsZjmoKvnID5jPD5jLzyCgOOfnOaEoumOueSFtuicv+icv+iMvO+piuWuuOWEmueGgeaxmOagq+ewiOWXj+W5peWMvO+LuOSLueSUr+a4m+eMvO+MgOi2hOcgPmM8PmMvPIKA47mm5bmm5YGA45+85Z+85b2l5aSK5p2/5Luh6YW/5bml5Yy875Cn5ZCn5bq45Ku66IKA45Cn5ZCn5YSa54eS57qZ5ouu5Y645IaB5rGY5qCr56+Y5rGw5bG35aqH6Je+5Ymn6LuA5oy875mA5baX5oSa54+w5a6+5aWf54uu5a+Y5oa95Iy874S+6bS55YyQ5a+Y5raE572Z6CA+Yzw+Yy88goDjn5TnuofliJzmqrjkpLjkj7Dlrr7lpZ/ni67llK/ms4fompTnhoHmsZjmoKvnjLzvrLvklrvkhJrnqrrntLnljJDlID5jPD5jLzyCgOOBjOavlOaEmuenpOWIvuW5peWIuuSZu+eMvO+Dv+WEmuekvOSXj+W5peWwheaJruWMvO+nvuSruui5peWonOWqmemGgeaxmOagq+evmOaMvO+2l+aaqeW7puearuWzhuWMkuWxpOWFg+afhOaNr+a2iOeonOUgPmM8PmMvPIKA47q65Lau5a+Y5o+D5bSb5qy75Ja75Iy874uP5Yuc5re16JSv5oy876yp6bmr54Wi5pKd6YSa54av6KSu6LGw5Y+w5Y675CA+Yzw+Yy88u6bnnbfohJrnkb/ogJzmgL7lpLrku6bnIDUtM3VwID5jPCAnKD5jPA==