bzoj 3758（分块打表+二进制背包优化）

bzoj 3758（分块打表+二进制背包优化）

一直想要学习分块，这次看了点分块打表的题。感觉这题，比较经典，存下来。

#includeusing namespace std;const int block=1000000;const int table[]={0,376413,832547,1288828,1744956,2196800,2647716,3090920,3526440,3951372,4366880,4823015,5304766,5797144,6290672,6782004,7272530,7758910,8238396,8710536,9182258,9638539,10130918,10610575,11103529,11590745,12080513,12565094,13045216,13523103,13996047,14452175,14945703,15438658,15913605,16403907,16892727,17371943,17858307,18339125,18810719,19262563,19753895,20241111,20731414,21199399,21684697,22170473,22655525,23128982,23601310,24052226,24542752,25032520,25521340,26006639,26480512,26967738,27450344,27929454,28401296,28844500,29330880,29815461,30294677,30780453,31267680,31727883,32207445,32681531,33151141,33586661,34066147,34546269,35032633,35517685,36000291,36479854,36928875,37398605,37865237,38290169,38762309,39240196,39721014,40194471,40673581,41147667,41617398,42050819,42514127,42929635,43401357,43874301,44345895,44818223,45290065,45759675,46226307,46689616,47111407,47567542,48049293,48541671,49035199,49526531,50017057,50503437,50982923,51455063,51926786,52408537,52900916,53398017,53897101,54395976,54894264,55390376,55882154,56370124,56858336,57350715,57847816,58346901,58846682,59346650,59846494,60345546,60842736,61337762,61832643,62326171,62825256,63325037,63822618,64321881,64821477,65319367,65818159,66315614,66811192,67302524,67801399,68301368,68800631,69295186,69792675,70292149,70790949,71286703,71781713,72272239,72770527,73270371,73769968,74267457,74763402,75261351,75759527,76256605,76751555,77237935,77734047,78233099,78730989,79230464,79728413,80220834,80714563,81209373,81704149,82183635,82675413,83172603,83671395,84170195,84668372,85162101,85646750,86134011,86626601,87098741,87586711,88081737,88579192,89074946,89572024,90066835,90554096,91029271,91513942,91985664,92473876,92968757,93464335,93959345,94454295,94949071,95441662,95926333,96400455,96856736,97349115,97828772,98321726,98808942,99298710,99783291,100263413,100741300,101214244,101706623,102203724,102702809,103202590,103702558,104202402,104701454,105198644,105693670,106188552,106668209,107167293,107654509,108153408,108643571,109140447,109631936,110124934,110615086,111104170,111597125,112096906,112595804,113093027,113592810,114091415,114589181,115087418,115585176,116080738,116567954,117067923,117558086,118057868,118549357,119048442,119540443,120037757,120529913,121025141,121514909,122014753,122511630,123010235,123509319,124005151,124504320,124999107,125496723,125991518,126476099,126975151,127466640,127964407,128456408,128955576,129444361,129941988,130432181,130927549,131407671,131904861,132397859,132896096,133393411,133888198,134385824,134870790,135365761,135853348,136331235,136826261,137316413,137814171,138306327,138803944,139294137,139789107,140268613,140761869,141234813,141729694,142218778,142714340,143209568,143704363,144199732,144687319,145180575,145654892,146111020,146604548,147097503,147572450,148062752,148551572,149030788,149517152,149997970,150469564,150963092,151462177,151961958,152459539,152958802,153458398,153956288,154455080,154952535,155448113,155941068,156440849,156939747,157436970,157936753,158435358,158933124,159431361,159929119,160424682,160899629,161397209,161894432,162373648,162870479,163366196,163847035,164342307,164834856,165316242,165806545,166305808,166805590,167302421,167797533,168296439,168794206,169291181,169787227,170282583,170771403,171271000,171769605,172265321,172764227,173259685,173756939,174255102,174749455,175244787,175724003,176221893,176719660,177200499,177698265,178195519,178676905,179174053,179669962,180151503,180637867,181136659,181634896,182130169,182627144,183125306,183622454,184112942,184610046,185104838,185585656,186083111,186580869,187073418,187569465,188063818,188559726,189056830,189540680,190034891,190506485,191002063,191497625,191979011,192474367,192969700,193451241,193946033,194440244,194913068,195364912,195856244,196343460,196833763,197301748,197787046,198272822,198757874,199231331,199703659,200194991,200693866,201193835,201693098,202187653,202685142,203184616,203683416,204179170,204674180,205161396,205661365,206151528,206651310,207142799,207641884,208133885,208631199,209123355,209618583,210108886,210608149,211107931,211604762,212099874,212598780,213096547,213593522,214089568,214584925,215052910,215547464,216038953,216534065,217007522,217499718,217990901,218484410,218959905,219446727,219932026,220429515,220928599,221427505,221919701,222413231,222911993,223409872,223904583,224393574,224879350,225378825,225870826,226368592,226859775,227358537,227847477,228346119,228838089,229333643,229818695,230317495,230814810,231311785,231805293,232303172,232801814,233291625,233787283,234281777,234755234,235250988,235743144,236239191,236714686,237209396,237701366,238197024,238673284,239165608,239637936,240132946,240628174,241123530,241610353,242099344,242594898,243089392,243581716,244056062,244506978,244997504,245487272,245976092,246461391,246935264,247422490,247905096,248384206,248856048,249346574,249844862,250344706,250844303,251341792,251837737,252335686,252833862,253330940,253825890,254315658,254815502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check(int x){ int sum=0; for (int i=x;i;i/=10) sum+=i%10; if (sum&1) return 0; long long f=1; for (int i=x;i;i/=10) f|=f<<(i%10); sum/=2; return f&(1ll<

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