2024年の年賀状
あけましておめでとうございます．2024年の年賀状です．
答えが0から101までになる式をプログラムで探した結果を以下に示します． すべての式を示しているわけではなく，プログラムで最初に見つかったものだけを示しています．
答えが57, 69, 75, 93, 94, 95, 97, 98になる式は存在しないようです．
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(2*(0*2411)) = 0
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(2+(0+(2-(4-(1*1))))) = 1
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(2+(0*2411)) = 2
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(2-(0+(2-(4-(1*1))))) = 3
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(2-(0+(2-(4+(1-1))))) = 4
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(2-(0+(2-(4+(1*1))))) = 5
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(2-(0+(2-(4+(1+1))))) = 6
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(2-(0+(2+(4-11)))) = 7
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(2*(0-(2-(4+(1+1))))) = 8
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(2+(0+(2+(4+(1*1))))) = 9
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(2*(0-(2+(4-11)))) = 10
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(2+(0+(2-(4-11)))) = 11
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(2+(0+(2+(4*(1+1))))) = 12
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(2+(0+((2*(4+1))+1))) = 13
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(2+(0+(2*(4+(1+1))))) = 14
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(2-(0+(2-(4+11)))) = 15
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(2-(0+(2*(4-11)))) = 16
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(2+((0*2)+(4+11))) = 17
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(2*(0+(2-(4-11)))) = 18
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(2+(0+(2+(4+11)))) = 19
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(2*(0+(2+(4*(1+1))))) = 20
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(2+(0+((2*4)+11))) = 21
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(2*(0+((2*(4+1))+1))) = 22
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((-2)+(0+(24+(1*1)))) = 23
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(2*(0+(2*(4+(1+1))))) = 24
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(2+(0+(24-(1*1)))) = 25
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(2*(0-(2-(4+11)))) = 26
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(2+(0+(24+(1*1)))) = 27
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(2*(0-(2*(4-11)))) = 28
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(20+(2-(4-11))) = 29
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(2*((0*2)+(4+11))) = 30
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(20+((2*(4+1))+1)) = 31
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(2+(0+(2*(4+11)))) = 32
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((-2)+(0+(24+11))) = 33
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(2*(0+(2+(4+11)))) = 34
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((2*0)+(24+11)) = 35
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((-2)-(0+(2-(41-1)))) = 36
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(2+(0+(24+11))) = 37
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(2*(0+((2*4)+11))) = 38
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((-2)+((0*2)+(41*1))) = 39
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(2-(0+(2-(41-1)))) = 40
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(2-(0+(2-(41*1)))) = 41
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(2-(0+(2-(41+1)))) = 42
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(2+((0*2)+(41*1))) = 43
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(2-(0+(2-(4*11)))) = 44
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(2+(0+(2+(41*1)))) = 45
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(2+(0+(2+(41+1)))) = 46
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((20*2)-(4-11)) = 47
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(2+(0+(2+(4*11)))) = 48
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((2*024)+(1*1)) = 49
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(2+(0+(24*(1+1)))) = 50
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((20*((-2)+4))+11) = 51
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(2*(0+(24+(1+1)))) = 52
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(((20-2)*(4-1))-1) = 53
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((20-2)*(4-(1*1))) = 54
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(20+(24+11)) = 55
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((20+(2*4))*(1+1)) = 56
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(20-(2-(41-1))) = 58
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(20-(2-(41*1))) = 59
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(2*(0+(2*(4+11)))) = 60
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((-20)+((2*41)-1)) = 61
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(20-(2-(4*11))) = 62
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(20+(2+(41*1))) = 63
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((-2)+(0+((2+4)*11))) = 64
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(((20+2)*(4-1))-1) = 65
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(20+(2+(4*11))) = 66
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(((20+2)*(4-1))+1) = 67
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(2+(0+((2+4)*11))) = 68
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(2*(0+(24+11))) = 70
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(((20-2)*4)-(1*1)) = 71
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((20-2)*(4+(1-1))) = 72
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(((20-2)*4)+(1*1)) = 73
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(((20-2)*4)+(1+1)) = 74
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(2*(0-(2-(41-1)))) = 76
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(((20+2)*4)-11) = 77
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(2*(0-(2-(41*1)))) = 78
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((-2)+(0+((2*41)-1))) = 79
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(2*(0-(2-(41+1)))) = 80
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((-2)+(0+((2*41)+1))) = 81
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(2+(0+(2*(41-1)))) = 82
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(2+(0+((2*41)-1))) = 83
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(2*(0-(2-(4*11)))) = 84
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(2+(0+((2*41)+1))) = 85
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(2+(0+(2*(41+1)))) = 86
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(((20+2)*4)-(1*1)) = 87
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(2*(0+(2+(41+1)))) = 88
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(((20+2)*4)+(1*1)) = 89
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(2+(0+(2*(4*11)))) = 90
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(((20-2)*(4+1))+1) = 91
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(2*(0+(2+(4*11)))) = 92
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(2*(0+(24*(1+1)))) = 96
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(((20+2)*4)+11) = 99
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(20*(2+(4-(1*1)))) = 100
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(20+((2*41)-1)) = 101