TempleOSCD_140715.ISO

2018-09-08 21:46:09 +02:00
1 parent 7ef616a20e
commit 64f679eeb9
@@ -1,5 +1,4 @@
-/*
-The magic pairs problem:
+/*The magic pairs problem:

 Let SumFact(n) be the sum of factors
 of n.
@@ -9,7 +8,6 @@ Find all n1,n2 in a range such that
 SumFact(n1)-n1-1==n2  and
 SumFact(n2)-n2-1==n1

-
 -----------------------------------------------------
 To find SumFact(k), start with prime factorization:

@@ -51,7 +49,6 @@ class Prime
  PowPrime *pp;
 };

-
 I64 *PrimesNew(I64 N,I64 *_sqrt_primes,I64 *_cbrt_primes)
 {
  I64 i,j,sqrt=Ceil(Sqrt(N)),cbrt=Ceil(N`(1/3.0)),sqrt_sqrt=Ceil(Sqrt(sqrt)),
@@ -272,7 +269,7 @@ I64 TestCoreSubRange(RangeJob *r)
  U16 *pow_cnt =MAlloc(range*sizeof(U16));
  Prime *p=r->primes;
  PowPrime *pp;
-  MemSetU64(sumfacts,1,range);
+  MemSetI64(sumfacts,1,range);
  for (n=r->lo;n<r->hi;n++)
    residue[n-r->lo]=n;
  for (j=0;j<r->sqrt_primes;j++) {
@@ -366,3 +363,371 @@ I64 MagicPairs(I64 N)
 }

 MagicPairs(1000000);
+
+/*N:10000000000 SqrtPrimes:9592 CbrtPrimes:325 PowersOfPrimes:19676
+48:75
+140:195
+1050:1925
+1575:1648
+2024:2295
+5775:6128
+8892:16587
+9504:20735
+62744:75495
+186615:206504
+196664:219975
+199760:309135
+266000:507759
+312620:549219
+526575:544784
+573560:817479
+587460:1057595
+1000824:1902215
+1081184:1331967
+1139144:1159095
+1140020:1763019
+1173704:1341495
+1208504:1348935
+1233056:1524831
+1236536:1459143
+1279950:2576945
+1921185:2226014
+2036420:2681019
+2102750:2142945
+2140215:2421704
+2171240:3220119
+2198504:3123735
+2312024:3010215
+2580864:5644415
+2958500:3676491
+4012184:4282215
+4311024:7890575
+5088650:6446325
+5416280:7509159
+6081680:9345903
+6618080:12251679
+7460004:10925915
+7875450:16381925
+2510904284:2819077155
+8713880:13693959
+8829792:18845855
+1261742180:1532917659
+3762043760:5406226575
+9247095:10106504
+12146750:16247745
+12500865:12900734
+13922100:31213899
+14371104:28206815
+22013334:37291625
+22559060:26502315
+23379224:26525415
+23939685:31356314
+1283921184:3105475295
+26409320:41950359
+27735704:27862695
+6286924952:8651635047
+28219664:32014575
+2540165144:2920453095
+6292254584:9645435015
+33299000:58354119
+34093304:43321095
+37324584:80870615
+40818855:42125144
+41137620:84854315
+5053883744:7240490655
+6309307935:6333431264
+1312252784:1516137615
+49217084:52389315
+8816125724:8954833635
+5066210864:6535546575
+52026920:85141719
+52601360:97389039
+5070571352:8580974247
+3824655464:5223152535
+61423340:88567059
+62252000:93423519
+3831852284:3991840515
+64045904:70112175
+66086504:69090615
+66275384:87689415
+68337324:141649235
+72917000:115780599
+1343056365:1450207250
+2595146084:2641212315
+5095542788:6361788411
+2596144160:3585589215
+76011992:87802407
+77723360:145810719
+1351707560:2139198039
+3856140890:4239746469
+6362067464:6445782135
+89446860:197845235
+93993830:99735705
+94713300:240536075
+94970204:96751395
+97797104:114332175
+7626796695:7940755304
+5125032584:6113931255
+100256480:174080799
+101366342:105993657
+101589320:168669879
+1378574624:1996209375
+102019644:162156995
+106004024:129081735
+106524264:231472535
+5138808584:7179757815
+114859884:164799635
+116329136:183651663
+116481464:128825415
+116540304:204064175
+117106064:133592175
+117869940:261412235
+2652982304:3552265695
+1406830964:1862919435
+128707425:205556894
+130016744:166335255
+130304888:184191111
+2670130904:3556889895
+134064584:140687415
+139829624:165507975
+142287992:193773447
+147041504:150157215
+152340944:233348655
+153582624:374770655
+154043505:210391694
+154885920:421077215
+157470404:199563195
+5200486880:7236136479
+157906430:161733825
+158948000:237316959
+160797560:335622279
+3955132335:4184346704
+2705286500:4823747739
+161888544:322435295
+5206687304:6978097335
+164340224:189208575
+165416048:214559631
+168102044:171553635
+170262560:281885919
+2716915824:6217036175
+1467581780:2313337515
+172622505:175742294
+6470954595:7115272604
+173431335:197570264
+1473700515:1506753884
+178415048:226351671
+2731700565:2784075434
+3985532264:5323549335
+1488607820:2343404979
+191800455:198727544
+195318500:269436699
+3995575155:4415176844
+2746338504:5962781495
+198978584:248611815
+201006414:311172785
+2758505540:3947516859
+207351704:237435495
+208548624:350145775
+210533904:516860015
+1517220584:1654350615
+215676320:308322399
+2772801024:6327806975
+1526672420:3045615579
+226964240:313001199
+1531953080:2411826759
+227323250:316305549
+227437280:396897759
+1532741210:2367009189
+230092730:271842885
+237110120:376157079
+1547906100:3705257675
+242854884:449036315
+2806455200:4618069599
+1559119688:1783523511
+1560890925:1704525074
+252734468:268315515
+260310375:290057624
+261335025:338626574
+262754384:265664175
+7842803300:9309598875
+2837602520:3735363879
+4092444884:4677638955
+274313564:350646435
+4095184040:5537724759
+4106225144:5370403335
+285695190:559939625
+4109899464:8797016375
+6614603415:6669707624
+293057960:419396439
+5367444368:8311680111
+296092784:348865935
+300215895:308040104
+4126705730:4364776125
+4128822368:5786510751
+5380195604:6754511595
+4133786964:6235871915
+5387747840:7749536319
+313472880:953056175
+6645302000:9441168399
+5396517945:7144614854
+4165376480:5797856799
+2921793224:3770681655
+341660220:794589635
+1679061285:1727172314
+344163140:400950459
+1682066420:1903187979
+353587304:420556695
+354818060:390655395
+2957731824:5398876175
+367762395:436621604
+379137590:443390409
+380747960:508826439
+1741044500:2573840619
+4253975684:4333216635
+401836344:933562055
+407482460:659384739
+3014994744:6565037255
+4264348088:6767203911
+1764267764:1858726155
+417152295:442147544
+5528653844:6755559915
+1778869064:2144382135
+3031422944:4121667615
+428870144:478571775
+3039432200:5445738999
+1795408875:1816402964
+447538784:728192415
+5563884375:6135366824
+460824848:638390511
+5585101664:6246237855
+3085130664:8057013335
+1840746500:2258708859
+8106645015:8257480424
+479527244:530004915
+5606173364:6149687115
+486142620:987827555
+5616810584:7529122215
+499295384:592455015
+4372365500:5770916739
+506589020:816390819
+4382760704:6802007295
+1883876000:2776954719
+4388870115:4587544604
+3155451915:3215269364
+3157070504:3958280535
+1906051160:2849128359
+1910285792:2105199135
+3163223580:6981159395
+3181556664:8096753735
+548544744:1265855255
+4438526780:5102023875
+1939995596:2541717555
+579753384:1224278615
+4479663936:8868820415
+4482524150:4516899849
+597781820:676362435
+1992599648:2732097951
+599291000:1199626119
+2006332664:2576707335
+2012227784:2350626615
+3269502495:3373298144
+2020337564:2296563555
+627398240:1155794079
+7036928780:9857022195
+3285728264:4537964535
+3298072995:3495040604
+645632204:654929715
+2050561604:2604140475
+5802929360:7904693295
+653318420:794572779
+7075066760:9357349239
+662138295:721644104
+665749784:851088615
+7084112024:8644791975
+2082593240:3971454759
+2085372512:2327248287
+7098019335:7477315064
+713342504:844622295
+2132355440:2898322575
+724235784:1151128055
+5895863792:9396728847
+4643378844:8037099875
+726558860:882424179
+7160733944:9394335495
+5905497584:7353653775
+734590850:932552445
+2160543104:2234106495
+740532716:980389395
+4666112264:6046105335
+3419884580:4799782875
+2169354564:4523120315
+3424407504:6712800815
+754727336:888514263
+3442577624:3667278375
+2193824940:4035324755
+5950399364:7720741755
+4696878944:5341833375
+3450876624:6968768975
+783839264:1106039775
+4719190112:7016349087
+787047488:951044031
+4722238664:6332295735
+2239676220:4668784835
+817931828:856444875
+820888964:921943035
+3515685984:6970094495
+2267171640:5701673159
+4768579424:6631658655
+2293334424:4236950375
+6057750104:7455901095
+6066178965:7843529834
+4813637840:8865486639
+2325991220:3373643979
+4845714104:6985625415
+2355309824:3119339775
+2359000280:4197999399
+902555024:1366942575
+2361854565:2689435034
+4864759760:8526383151
+4878780704:6199240095
+7397436500:9069574059
+926979200:1782222399
+2413813688:2931650631
+3667561695:3712611104
+2418204404:3199177995
+949977644:1194885075
+4921491824:4977874575
+2423454264:6202721735
+4923510500:5839241499
+4924118024:6111546615
+959131635:1010000396
+4935148904:5646393495
+2436393924:4013193275
+2441496464:2838165615
+3698827335:4129427384
+6209309204:6443651115
+8732225504:9818200095
+2458574180:2887857819
+6217560734:6263852385
+987558704:1101593295
+3715037920:6185489695
+991087064:1131760935
+3731353430:4332612585
+6244641080:8560862919
+2490395120:3301952895
+2498946345:2589127190
+1023736328:1051937271
+1033002620:1526208579
+1033763744:1307247711
+1035813500:1370080899
+1059627800:2052672999
+1098115136:1298344383
+1123418384:1252992015
+1141074704:1648746735
+1145890340:1699088859
+1154706804:1982390795
+1174809285:1212941114
+1217353016:1489939143
+1226825000:1742984919
+Found:364 Time:24243.4199
+*/