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added 135 characters in body

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edited Sep 16, 2017 at 0:06

177.2k
12
74
281

JavaScript (ES6), 120120 118 bytes

a=>a.map(b=>b.map(c=>c/10|0)).map((b,i,a)=>b.map((c,j)=>((a[i+1]||[]a[i+1]||0)[j]-c?'_':' ')+(b[j+1]-c?'|':' ')).join``).join`\n`

Where \n represents the literal newline character. Edit: Saved 2 bytes thanks to @Bálint.

f=
a=>a.map(b=>b.map(c=>c/10|0)).map((b,i,a)=>b.map((c,j)=>((a[i+1]||[]a[i+1]||0)[j]-c?'_':' ')+(b[j+1]-c?'|':' ')).join``).join`\n`join`
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JavaScript (ES6), 120 bytes

a=>a.map(b=>b.map(c=>c/10|0)).map((b,i,a)=>b.map((c,j)=>((a[i+1]||[])[j]-c?'_':' ')+(b[j+1]-c?'|':' ')).join``).join`\n`

f=
a=>a.map(b=>b.map(c=>c/10|0)).map((b,i,a)=>b.map((c,j)=>((a[i+1]||[])[j]-c?'_':' ')+(b[j+1]-c?'|':' ')).join``).join`\n`
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JavaScript (ES6), 120 118 bytes

a=>a.map(b=>b.map(c=>c/10|0)).map((b,i,a)=>b.map((c,j)=>((a[i+1]||0)[j]-c?'_':' ')+(b[j+1]-c?'|':' ')).join``).join`\n`

Where \n represents the literal newline character. Edit: Saved 2 bytes thanks to @Bálint.

f=
a=>a.map(b=>b.map(c=>c/10|0)).map((b,i,a)=>b.map((c,j)=>((a[i+1]||0)[j]-c?'_':' ')+(b[j+1]-c?'|':' ')).join``).join`
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[[5,20],[3,6]]
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[[1,5,8,9],[3,11,13,8],[7,14,10,9],[4,8,7,6]]
,
[[0,10,20,30,40,50,60,70,80,90],[0,0,10,10,20,20,30,30,40,40],[0,0,0,10,10,10,20,20,20,30],[0,0,0,0,10,10,10,10,20,20],[0,0,0,0,0,10,10,10,10,10],[0,0,0,0,0,0,10,10,10,10],[0,0,0,0,0,0,0,10,10,10],[0,0,0,0,0,0,0,0,10,10],[0,0,0,0,0,0,0,0,0,10],[0,0,0,0,0,0,0,0,0,0]]
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,
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Source Link

created Sep 15, 2017 at 9:51

Neil

177.2k
12
74
281

JavaScript (ES6), 120 bytes

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f=
a=>a.map(b=>b.map(c=>c/10|0)).map((b,i,a)=>b.map((c,j)=>((a[i+1]||[])[j]-c?'_':' ')+(b[j+1]-c?'|':' ')).join``).join`\n`
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[[0,10,20,30,40,50,60,70,80,90],[0,0,10,10,20,20,30,30,40,40],[0,0,0,10,10,10,20,20,20,30],[0,0,0,0,10,10,10,10,20,20],[0,0,0,0,0,10,10,10,10,10],[0,0,0,0,0,0,10,10,10,10],[0,0,0,0,0,0,0,10,10,10],[0,0,0,0,0,0,0,0,10,10],[0,0,0,0,0,0,0,0,0,10],[0,0,0,0,0,0,0,0,0,0]]
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