adventofcode-2022-day-4.js

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79-79,36-80
35-84,85-94
23-96,23-95
65-73,65-74
2-69,3-70
49-76,49-95
2-97,1-98
8-68,7-9
86-87,40-86
50-94,79-94
34-48,19-35
7-12,8-12
10-92,92-92
92-99,7-98
52-83,83-83
10-22,11-64
66-90,66-67
10-88,11-88
37-85,38-84
9-63,10-58
26-52,25-51
14-60,15-61
41-58,57-57
16-86,17-86
19-93,19-92
89-89,3-89
7-99,8-8
36-96,14-95
9-50,10-10
12-87,12-88
59-91,96-99
13-92,14-14
13-95,14-98
8-74,15-77
26-74,72-80
4-5,4-28
92-92,20-93
8-97,97-97
68-79,67-69
2-85,21-83
2-6,9-14
60-64,81-89
5-47,47-82
41-80,41-80
54-55,52-55
4-5,6-85
10-88,11-87
4-46,46-46
25-35,26-43
10-19,11-18
42-83,41-83
6-90,4-7
28-97,29-96
22-67,21-68
16-75,17-74
19-74,53-95
67-75,72-76
19-94,88-99
6-91,5-69
3-95,95-95
3-5,4-60
29-82,89-90
3-3,2-97
6-25,25-40
10-98,11-93
4-38,37-39
99-99,3-97
28-75,75-76
29-96,30-95
13-48,27-98
4-83,10-70
14-38,30-35
59-98,49-51
18-88,87-94
9-21,14-43
36-49,33-36
95-96,54-95
37-92,16-41
32-92,43-93
36-38,37-80
3-3,34-56
1-8,2-2
16-28,26-30
50-98,51-98
13-90,12-13
50-94,51-51
98-98,12-99
10-96,1-74
44-74,74-74
64-67,63-65
59-77,59-81
1-99,1-98
31-96,32-95
13-72,14-55
23-79,22-24`;

const minMax = (s) => {
    const values = s.split('-');
    return values.map(Number);
}

const fullyIntersect = (pairs) => {
    const pair1 = minMax(pairs[0]);
    const pair2 = minMax(pairs[1]);
    return pair1[0] <= pair2[0] && pair1[1] >= pair2[1] ||
        pair2[0] <= pair1[0] && pair2[1] >= pair1[1];
}

const res = input
    .split('\n')
    .filter(values => fullyIntersect(values.split(',')))
    .length
    
console.log(res);