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1000! Challenge


The 1000! Challenge contest has ended. Congratulations to our winners:

Position Winner Prize
1st Jarek Wroblewski Poland Twenty-Five Australian Dollars
2nd Wes Sampson United States Bragging Rights


These are the contestants who submitted the best solution for each problem. (Problems for which the best solution was found during the first 48 hours of the contest are omitted.)

Problem Score Solver Date Achieved
1000! 218 Jarek Wroblewski Wroclaw, Poland 12 May 2013 18:00


These are the best solutions received for each problem in the contest:

Problem Score Solution
1000! 218 0+0, 1+1, 2*2, 3-1, 3+4, 5+1, 5+4, 7+3, 8+6, 9+2, 4*4, 11+5, 8*4, 13+0, 14-12, 15+5, 8*5, 17-3, 10*9, 13*10, 15*15, 21-2, 22-19, 23-4, 21+16, 25+3, 16*16, 27-11, 28-2, 27-7, 30+2, 29+11, 32-19, 13*13, 34-2, 35-19, 27+29, 17*17, 38-2, 39-19, 39-10, 41-7, 38+2, 20*7, 44-27, 44+11, 44+35, 20*10, 48-47, 48+30, 50-40, 51-3, 50+27, 44*2, 54-35, 55-37, 55-13, 57-48, 55+9, 59-35, 60+11, 61-44, 62-53, 61+15, 60+13, 59+19, 66-62, 67-21, 52-68, 68+5, 54-24, 71-46, 59+24, 73+19, 74-26, 61+45, 66+61, 77-41, 78-63, 77-22, 80+28, 80+50, 82-13, 83+35, 84-60, 85-64, 81-86, 85+43, 88+39, 77+64, 35*36, 91+54, 92-44, 92+37, 93*91, 95*92, 93+48, 96*97, 39*40, 99-93, 99+54, 101-44, 102*99, 103*101, 102+48, 104*105, 22*23, 106*107, 107+54, 109-44, 108*110, 111*109, 110+48, 113-1, 112*113, 32*33, 115*116, 116+54, 118-114, 118-44, 117*120, 121*118, 120+48, 122*123, 124*94, 125*119, 126*30, 127*28, 98*46, 128*100, 57*31, 131*56, 130*60, 132*58, 129*61, 133*64, 134*62, 53*41, 136*51, 137*63, 135*52, 138*24, 139*71, 141*73, 144*72, 143*67, 146*68, 65*70, 147*80, 78*59, 145*90, 140*82, 142*83, 149*84, 86*37, 154*88, 148*89, 153*25, 151*26, 156*76, 75*42, 160*49, 162*87, 152*69, 163*79, 157*18, 81-52, 167+6, 164*15, 165*5, 30-15, 171-3, 150*172, 43+31, 66+59, 175+14, 176*174, 30-25, 166*178, 35-23, 180-17, 181*20, 82-33, 183*12, 60-30, 184*185, 71-40, 187*39, 188*7, 33-18, 44*190, 186*182, 192*168, 179*182, 193*177, 194*155, 169*168, 196*161, 195*173, 197*155, 198*158, 159*177, 202*161, 203*200, 170*173, 205*158, 206*200, 191*34, 208*208, 209*189, 210*210, 211*199, 212*212, 213*201, 214*214, 215*204, 216*216, 217*207


The following noteworthy solutions were received after the contest ended.

Problem Score Solver Date Solution
1000! 217 Helge Keller
Karlsruhe, Germany
14 Jul 2017 21:15 0+0, 1+1, 2*2, 3-1, 3+4, 1*3, 4+5, 1*5, 6+8, 2+9, 4*4, 5+11, 4*8, 0+13, 14-12, 5+15, 5*8, 17-3, 9*10, 10*13, 15*15, 21-2, 22-19, 23-4, 16+21, 3+25, 16*16, 27-11, 27-7, 2+29, 27-2, 31-19, 13*13, 33-2, 34-19, 28+31, 17*17, 37-2, 38-19, 38-10, 40-7, 2+37, 7*20, 43-27, 11+43, 34+43, 10*20, 47-46, 29+47, 49-39, 50-3, 27+49, 2*43, 53-34, 54-36, 54-13, 56-47, 9+54, 58-34, 11+59, 60-43, 61-52, 15+60, 13+59, 19+58, 65-61, 66-21, 51-67, 5+67, 53-24, 70-45, 24+58, 19+72, 73-26, 44+60, 60+65, 76-40, 77-62, 76-22, 28+79, 49+79, 81-13, 34+82, 83-59, 84-63, 80-85, 42+84, 38+87, 63+76, 34*35, 53+90, 91-43, 36+91, 90*92, 91*94, 47+92, 95*96, 38*39, 98-92, 53+98, 100-43, 98*101, 100*102, 47+101, 103*104, 22*23, 105*106, 53+106, 108-43, 107*109, 108*110, 47+109, 112-1, 111*112, 31*32, 114*115, 53+115, 117-113, 117-43, 116*119, 117*120, 47+119, 121*122, 93*123, 118*124, 29*125, 28*126, 45*97, 99*127, 30*56, 55*130, 59*129, 57*131, 60*128, 63*132, 61*133, 40*52, 50*135, 62*136, 51*134, 24*137, 70*138, 72*140, 71*143, 66*142, 67*145, 64*69, 79*146, 58*77, 89*144, 81*139, 82*141, 83*148, 36*85, 87*153, 88*147, 25*152, 26*150, 75*155, 41*74, 48*159, 86*161, 68*151, 78*162, 18*156, 80-51, 6+166, 15*163, 5*164, 29-15, 170-3, 149*171, 30+42, 58+65, 14+174, 173*175, 29-25, 165*177, 34-23, 179-17, 20*180, 81-32, 12*182, 59-29, 183*184, 70-39, 38*186, 7*187, 32-18, 43*189, 181*185, 167*191, 178*181, 176*192, 154*193, 167*168, 160*195, 172*194, 154*196, 157*197, 158*176, 160*201, 199*202, 169*172, 157*204, 199*205, 33*190, 207*207, 188*208, 209*209, 198*210, 211*211, 200*212, 213*213, 203*214, 215*215, 206*216