Maximum triangle path sum: Difference between revisions
Go solution
m (→{{header|REXX}}: removed an uneeded statement. -- ~~~~) |
(Go solution) |
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{{out}}
<pre>1320</pre>
=={{Header|Go}}==
<lang go>package main
import (
"fmt"
"strconv"
"strings"
)
const t = ` 55
94 48
95 30 96
77 71 26 67
97 13 76 38 45
07 36 79 16 37 68
48 07 09 18 70 26 06
18 72 79 46 59 79 29 90
20 76 87 11 32 07 07 49 18
27 83 58 35 71 11 25 57 29 85
14 64 36 96 27 11 58 56 92 18 55
02 90 03 60 48 49 41 46 33 36 47 23
92 50 48 02 36 59 42 79 72 20 82 77 42
56 78 38 80 39 75 02 71 66 66 01 03 55 72
44 25 67 84 71 67 11 61 40 57 58 89 40 56 36
85 32 25 85 57 48 84 35 47 62 17 01 01 99 89 52
06 71 28 75 94 48 37 10 23 51 06 48 53 18 74 98 15
27 02 92 23 08 71 76 84 15 52 92 63 81 10 44 10 69 93`
func main() {
lines := strings.Split(t, "\n")
f := strings.Fields(lines[len(lines)-1])
d := make([]int, len(f))
var err error
for i, s := range f {
if d[i], err = strconv.Atoi(s); err != nil {
panic(err)
}
}
d1 := d[1:]
var l, r, u int
for row := len(lines) - 2; row >= 0; row-- {
l = d[0]
for i, s := range strings.Fields(lines[row]) {
if u, err = strconv.Atoi(s); err != nil {
panic(err)
}
if r = d1[i]; l > r {
d[i] = u + l
} else {
d[i] = u + r
}
l = r
}
}
fmt.Println(d[0])
}</lang>
{{Out}}
<pre>
1320
</pre>
=={{header|Haskell}}==
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