nums
listlengths
4
4
target
int64
10
100
search_path
stringlengths
17
50
is_find
bool
2 classes
is_backtrack
bool
2 classes
[ 4, 47, 84, 63 ]
80
63-47=16 16/4=4 84-4=80 Goal Reached!
true
false
[ 4, 47, 84, 63 ]
80
4+47=51 63+51=114 114-84=80 <backtrack>
false
true
[ 21, 26, 13, 9 ]
98
21-13=8 9*8=72 26+72=98 Goal Reached!
true
false
[ 21, 26, 13, 9 ]
98
13*9=117 21+26=47 117-47=98 <backtrack>
false
true
[ 50, 48, 68, 70 ]
49
50+48=98 70-68=2 98/2=49 Goal Reached!
true
false
[ 50, 48, 68, 70 ]
49
70-48=22 68-22=46 50-46=49 <backtrack>
false
true
[ 86, 34, 87, 64 ]
31
86+34=120 87+64=151 151-120=31 Goal Reached!
true
false
[ 86, 34, 87, 64 ]
31
87-86=1 64-34=30 1+30=31 <backtrack>
false
true
[ 81, 76, 72, 1 ]
66
81-76=5 72-1=71 71-5=66 Goal Reached!
true
false
[ 81, 76, 72, 1 ]
66
81-1=80 80-76=4 72-4=66 <backtrack>
false
true
[ 12, 54, 96, 86 ]
84
12+96=108 108/54=2 86-2=84 Goal Reached!
true
false
[ 12, 54, 96, 86 ]
84
12+54=66 96-66=30 86-30=84 <backtrack>
false
true
[ 31, 51, 32, 25 ]
40
51-31=20 32*25=800 800/20=40 Goal Reached!
true
false
[ 31, 51, 32, 25 ]
40
51-25=26 31+26=57 57-32=40 <backtrack>
false
true
[ 11, 54, 8, 63 ]
99
11-8=3 54*3=162 162-63=99 Goal Reached!
true
false
[ 11, 54, 8, 63 ]
99
11*8=88 54+63=117 117-88=99 <backtrack>
false
true
[ 8, 34, 54, 7 ]
76
8*7=56 54-34=20 56+20=76 Goal Reached!
true
false
[ 8, 34, 54, 7 ]
76
8*7=56 34+54=88 88-56=76 <backtrack>
false
true
[ 66, 6, 76, 38 ]
98
66-6=60 76-38=38 60+38=98 Goal Reached!
true
false
[ 66, 6, 76, 38 ]
98
66+6=72 38+72=110 110-76=98 <backtrack>
false
true
[ 62, 5, 26, 7 ]
34
62+5=67 26+7=33 67-33=34 Goal Reached!
true
false
[ 62, 5, 26, 7 ]
34
5*7=35 62-26=36 36-35=34 <backtrack>
false
true
[ 4, 75, 82, 85 ]
18
75+82=157 157-85=72 72/4=18 Goal Reached!
true
false
[ 4, 75, 82, 85 ]
18
85-75=10 82-4=78 78-10=18 <backtrack>
false
true
[ 35, 86, 98, 5 ]
72
35/5=7 98/7=14 86-14=72 Goal Reached!
true
false
[ 35, 86, 98, 5 ]
72
35+5=40 98-40=58 86-58=72 <backtrack>
false
true
[ 48, 35, 47, 53 ]
77
48+35=83 53-47=6 83-6=77 Goal Reached!
true
false
[ 48, 35, 47, 53 ]
77
35+47=82 48+53=101 101-82=77 <backtrack>
false
true
[ 88, 18, 55, 85 ]
76
88+18=106 85-55=30 106-30=76 Goal Reached!
true
false
[ 88, 18, 55, 85 ]
76
18+55=73 88-73=15 85-15=76 <backtrack>
false
true
[ 60, 44, 46, 9 ]
98
60-44=16 9*16=144 144-46=98 Goal Reached!
true
false
[ 60, 44, 46, 9 ]
98
60+9=69 44+46=90 69+90=98 <backtrack>
false
true
[ 46, 70, 41, 39 ]
94
41-39=2 70*2=140 140-46=94 Goal Reached!
true
false
[ 46, 70, 41, 39 ]
94
46+41=87 70+39=109 109-87=94 <backtrack>
false
true
[ 23, 62, 64, 59 ]
72
59-23=36 64-62=2 36*2=72 Goal Reached!
true
false
[ 23, 62, 64, 59 ]
72
23+59=82 82-62=20 64+20=72 <backtrack>
false
true
[ 59, 51, 50, 19 ]
61
59-51=8 50+19=69 69-8=61 Goal Reached!
true
false
[ 59, 51, 50, 19 ]
61
50+19=69 69-51=18 59+18=61 <backtrack>
false
true
[ 90, 58, 64, 47 ]
49
90-58=32 64-47=17 32+17=49 Goal Reached!
true
false
[ 90, 58, 64, 47 ]
49
90-47=43 64-43=21 58-21=49 <backtrack>
false
true
[ 11, 77, 33, 20 ]
35
11+77=88 33+20=53 88-53=35 Goal Reached!
true
false
[ 11, 77, 33, 20 ]
35
77/11=7 20+7=27 33+27=35 <backtrack>
false
true
[ 90, 32, 94, 41 ]
13
90+32=122 94+41=135 135-122=13 Goal Reached!
true
false
[ 90, 32, 94, 41 ]
13
94-90=4 41-32=9 4+9=13 <backtrack>
false
true
[ 97, 29, 18, 91 ]
79
97-91=6 18*6=108 108-29=79 Goal Reached!
true
false
[ 97, 29, 18, 91 ]
79
97-18=79 91-29=62 79+62=79 <backtrack>
false
true
[ 89, 3, 27, 6 ]
31
89-27=62 6/3=2 62/2=31 Goal Reached!
true
false
[ 89, 3, 27, 6 ]
31
3*6=18 89-27=62 62-18=31 <backtrack>
false
true
[ 91, 71, 15, 91 ]
85
91/91=1 71+15=86 86-1=85 Goal Reached!
true
false
[ 91, 71, 15, 91 ]
85
71+15=86 91/91=1 86-1=-53 <backtrack>
false
true
[ 44, 66, 22, 6 ]
63
44/22=2 6/2=3 66-3=63 Goal Reached!
true
false
[ 44, 66, 22, 6 ]
63
44+6=50 22+50=72 72-66=63 <backtrack>
false
true
[ 35, 46, 94, 46 ]
58
94-35=59 46/46=1 59-1=58 Goal Reached!
true
false
[ 35, 46, 94, 46 ]
58
94-35=59 46+46=92 92-59=58 <backtrack>
false
true
[ 13, 21, 18, 15 ]
17
13*21=273 273-18=255 255/15=17 Goal Reached!
true
false
[ 13, 21, 18, 15 ]
17
21-13=8 15+8=23 23-18=17 <backtrack>
false
true
[ 15, 39, 13, 79 ]
68
39-15=24 13+79=92 92-24=68 Goal Reached!
true
false
[ 15, 39, 13, 79 ]
68
15+39=54 13+54=67 79-67=68 <backtrack>
false
true
[ 81, 8, 77, 16 ]
72
81-77=4 16*4=64 8+64=72 Goal Reached!
true
false
[ 81, 8, 77, 16 ]
72
81-8=73 77-16=61 73-61=72 <backtrack>
false
true
[ 84, 6, 44, 80 ]
17
84-80=4 44/4=11 6+11=17 Goal Reached!
true
false
[ 84, 6, 44, 80 ]
17
84-80=4 44/4=11 6+11=-7 <backtrack>
false
true
[ 41, 72, 25, 52 ]
46
72-41=31 25+52=77 77-31=46 Goal Reached!
true
false
[ 41, 72, 25, 52 ]
46
72-25=47 52-41=11 47-11=46 <backtrack>
false
true
[ 77, 70, 17, 69 ]
79
77-70=7 17+69=86 86-7=79 Goal Reached!
true
false
[ 77, 70, 17, 69 ]
79
17+69=86 86-70=16 77+16=79 <backtrack>
false
true
[ 84, 95, 77, 92 ]
99
95-84=11 77/11=7 92+7=99 Goal Reached!
true
false
[ 84, 95, 77, 92 ]
99
84+77=161 161-92=69 95+69=99 <backtrack>
false
true
[ 97, 5, 47, 35 ]
37
47-35=12 5*12=60 97-60=37 Goal Reached!
true
false
[ 97, 5, 47, 35 ]
37
97-47=50 50-5=45 45-35=37 <backtrack>
false
true
[ 47, 31, 55, 13 ]
58
47-31=16 55-13=42 16+42=58 Goal Reached!
true
false
[ 47, 31, 55, 13 ]
58
31+13=44 47+44=91 91-55=58 <backtrack>
false
true
[ 43, 11, 97, 97 ]
33
43-11=32 97/97=1 32+1=33 Goal Reached!
true
false
[ 43, 11, 97, 97 ]
33
97/97=1 43-1=42 42-11=33 <backtrack>
false
true
[ 79, 17, 9, 32 ]
42
79+32=111 17*9=153 153-111=42 Goal Reached!
true
false
[ 79, 17, 9, 32 ]
42
79-17=62 9+32=41 62-41=42 <backtrack>
false
true
[ 81, 90, 6, 9 ]
65
81-6=75 90/9=10 75-10=65 Goal Reached!
true
false
[ 81, 90, 6, 9 ]
65
6*9=54 90-54=36 81-36=65 <backtrack>
false
true
[ 16, 99, 30, 48 ]
88
16*99=1584 48-30=18 1584/18=88 Goal Reached!
true
false
[ 16, 99, 30, 48 ]
88
16+30=46 48+46=94 99-94=88 <backtrack>
false
true
[ 49, 61, 81, 58 ]
29
49+61=110 81+58=139 139-110=29 Goal Reached!
true
false
[ 49, 61, 81, 58 ]
29
81-61=20 58-49=9 20+9=29 <backtrack>
false
true
[ 30, 20, 28, 58 ]
98
30-28=2 20*2=40 58+40=98 Goal Reached!
true
false
[ 30, 20, 28, 58 ]
98
30+20=50 28+58=86 50+86=98 <backtrack>
false
true
[ 32, 98, 16, 42 ]
28
32/16=2 98-42=56 56/2=28 Goal Reached!
true
false
[ 32, 98, 16, 42 ]
28
98-42=56 56-32=24 16+24=28 <backtrack>
false
true
[ 52, 52, 91, 62 ]
49
52+52=104 91+62=153 153-104=49 Goal Reached!
true
false
[ 52, 52, 91, 62 ]
49
91-52=39 62-39=23 52-23=49 <backtrack>
false
true
[ 8, 54, 76, 12 ]
26
8+54=62 76+12=88 88-62=26 Goal Reached!
true
false
[ 8, 54, 76, 12 ]
26
76-54=22 8+12=20 22+20=26 <backtrack>
false
true
[ 29, 49, 86, 36 ]
70
49-29=20 86-36=50 20+50=70 Goal Reached!
true
false
[ 29, 49, 86, 36 ]
70
29+36=65 86-49=37 65+37=70 <backtrack>
false
true
[ 13, 9, 32, 64 ]
11
13+9=22 64/32=2 22/2=11 Goal Reached!
true
false
[ 13, 9, 32, 64 ]
11
64/32=2 13-2=11 9+11=11 <backtrack>
false
true
[ 42, 30, 3, 84 ]
31
84/42=2 30+3=33 33-2=31 Goal Reached!
true
false
[ 42, 30, 3, 84 ]
31
84/3=28 42-28=14 30+14=31 <backtrack>
false
true
[ 70, 18, 2, 72 ]
86
70*2=140 72-18=54 140-54=86 Goal Reached!
true
false
[ 70, 18, 2, 72 ]
86
18*2=36 70+36=106 106-72=86 <backtrack>
false
true
[ 64, 29, 21, 3 ]
42
64-29=35 21/3=7 35+7=42 Goal Reached!
true
false
[ 64, 29, 21, 3 ]
42
64-21=43 29+3=32 43-32=42 <backtrack>
false
true