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．
- (2*(0*2411)) = 0
- (2+(0+(2-(4-(1*1))))) = 1
- (2+(0*2411)) = 2
- (2-(0+(2-(4-(1*1))))) = 3
- (2-(0+(2-(4+(1-1))))) = 4
- (2-(0+(2-(4+(1*1))))) = 5
- (2-(0+(2-(4+(1+1))))) = 6
- (2-(0+(2+(4-11)))) = 7
- (2*(0-(2-(4+(1+1))))) = 8
- (2+(0+(2+(4+(1*1))))) = 9
- (2*(0-(2+(4-11)))) = 10
- (2+(0+(2-(4-11)))) = 11
- (2+(0+(2+(4*(1+1))))) = 12
- (2+(0+((2*(4+1))+1))) = 13
- (2+(0+(2*(4+(1+1))))) = 14
- (2-(0+(2-(4+11)))) = 15
- (2-(0+(2*(4-11)))) = 16
- (2+((0*2)+(4+11))) = 17
- (2*(0+(2-(4-11)))) = 18
- (2+(0+(2+(4+11)))) = 19
- (2*(0+(2+(4*(1+1))))) = 20
- (2+(0+((2*4)+11))) = 21
- (2*(0+((2*(4+1))+1))) = 22
- ((-2)+(0+(24+(1*1)))) = 23
- (2*(0+(2*(4+(1+1))))) = 24
- (2+(0+(24-(1*1)))) = 25
- (2*(0-(2-(4+11)))) = 26
- (2+(0+(24+(1*1)))) = 27
- (2*(0-(2*(4-11)))) = 28
- (20+(2-(4-11))) = 29
- (2*((0*2)+(4+11))) = 30
- (20+((2*(4+1))+1)) = 31
- (2+(0+(2*(4+11)))) = 32
- ((-2)+(0+(24+11))) = 33
- (2*(0+(2+(4+11)))) = 34
- ((2*0)+(24+11)) = 35
- ((-2)-(0+(2-(41-1)))) = 36
- (2+(0+(24+11))) = 37
- (2*(0+((2*4)+11))) = 38
- ((-2)+((0*2)+(41*1))) = 39
- (2-(0+(2-(41-1)))) = 40
- (2-(0+(2-(41*1)))) = 41
- (2-(0+(2-(41+1)))) = 42
- (2+((0*2)+(41*1))) = 43
- (2-(0+(2-(4*11)))) = 44
- (2+(0+(2+(41*1)))) = 45
- (2+(0+(2+(41+1)))) = 46
- ((20*2)-(4-11)) = 47
- (2+(0+(2+(4*11)))) = 48
- ((2*024)+(1*1)) = 49
- (2+(0+(24*(1+1)))) = 50
- ((20*((-2)+4))+11) = 51
- (2*(0+(24+(1+1)))) = 52
- (((20-2)*(4-1))-1) = 53
- ((20-2)*(4-(1*1))) = 54
- (20+(24+11)) = 55
- ((20+(2*4))*(1+1)) = 56
- (20-(2-(41-1))) = 58
- (20-(2-(41*1))) = 59
- (2*(0+(2*(4+11)))) = 60
- ((-20)+((2*41)-1)) = 61
- (20-(2-(4*11))) = 62
- (20+(2+(41*1))) = 63
- ((-2)+(0+((2+4)*11))) = 64
- (((20+2)*(4-1))-1) = 65
- (20+(2+(4*11))) = 66
- (((20+2)*(4-1))+1) = 67
- (2+(0+((2+4)*11))) = 68
- (2*(0+(24+11))) = 70
- (((20-2)*4)-(1*1)) = 71
- ((20-2)*(4+(1-1))) = 72
- (((20-2)*4)+(1*1)) = 73
- (((20-2)*4)+(1+1)) = 74
- (2*(0-(2-(41-1)))) = 76
- (((20+2)*4)-11) = 77
- (2*(0-(2-(41*1)))) = 78
- ((-2)+(0+((2*41)-1))) = 79
- (2*(0-(2-(41+1)))) = 80
- ((-2)+(0+((2*41)+1))) = 81
- (2+(0+(2*(41-1)))) = 82
- (2+(0+((2*41)-1))) = 83
- (2*(0-(2-(4*11)))) = 84
- (2+(0+((2*41)+1))) = 85
- (2+(0+(2*(41+1)))) = 86
- (((20+2)*4)-(1*1)) = 87
- (2*(0+(2+(41+1)))) = 88
- (((20+2)*4)+(1*1)) = 89
- (2+(0+(2*(4*11)))) = 90
- (((20-2)*(4+1))+1) = 91
- (2*(0+(2+(4*11)))) = 92
- (2*(0+(24*(1+1)))) = 96
- (((20+2)*4)+11) = 99
- (20*(2+(4-(1*1)))) = 100
- (20+((2*41)-1)) = 101