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package main
import (
"encoding/csv"
"fmt"
"io"
"log"
"sort"
"strconv"
"strings"
)
type Edge struct {
src, dst, value int
}
func minMax(a, b int) (int,int) {
if a < b {
return a,b
}
return b,a
}
var in string = `-,-,-,427,668,495,377,678,-,177,-,-,870,-,869,624,300,609,131,-,251,-,-,-,856,221,514,-,591,762,182,56,-,884,412,273,636,-,-,774
-,-,262,-,-,508,472,799,-,956,578,363,940,143,-,162,122,910,-,729,802,941,922,573,531,539,667,607,-,920,-,-,315,649,937,-,185,102,636,289
-,262,-,-,926,-,958,158,647,47,621,264,81,-,402,813,649,386,252,391,264,637,349,-,-,-,108,-,727,225,578,699,-,898,294,-,575,168,432,833
427,-,-,-,366,-,-,635,-,32,962,468,893,854,718,427,448,916,258,-,760,909,529,311,404,-,-,588,680,875,-,615,-,409,758,221,-,-,76,257
668,-,926,366,-,-,-,250,268,-,503,944,-,677,-,727,793,457,981,191,-,-,-,351,969,925,987,328,282,589,-,873,477,-,-,19,450,-,-,-
495,508,-,-,-,-,-,765,711,819,305,302,926,-,-,582,-,861,-,683,293,-,-,66,-,27,-,-,290,-,786,-,554,817,33,-,54,506,386,381
377,472,958,-,-,-,-,-,-,120,42,-,134,219,457,639,538,374,-,-,-,966,-,-,-,-,-,449,120,797,358,232,550,-,305,997,662,744,686,239
678,799,158,635,250,765,-,-,-,35,-,106,385,652,160,-,890,812,605,953,-,-,-,79,-,712,613,312,452,-,978,900,-,901,-,-,225,533,770,722
-,-,647,-,268,711,-,-,-,283,-,172,-,663,236,36,403,286,986,-,-,810,761,574,53,793,-,-,777,330,936,883,286,-,174,-,-,-,828,711
177,956,47,32,-,819,120,35,283,-,50,-,565,36,767,684,344,489,565,-,-,103,810,463,733,665,494,644,863,25,385,-,342,470,-,-,-,730,582,468
-,578,621,962,503,305,42,-,-,50,-,155,519,-,-,256,990,801,154,53,474,650,402,-,-,-,966,-,-,406,989,772,932,7,-,823,391,-,-,933
-,363,264,468,944,302,-,106,172,-,155,-,-,-,380,438,-,41,266,-,-,104,867,609,-,270,861,-,-,165,-,675,250,686,995,366,191,-,433,-
870,940,81,893,-,926,134,385,-,565,519,-,-,313,851,-,-,-,248,220,-,826,359,829,-,234,198,145,409,68,359,-,814,218,186,-,-,929,203,-
-,143,-,854,677,-,219,652,663,36,-,-,313,-,132,-,433,598,-,-,168,870,-,-,-,128,437,-,383,364,966,227,-,-,807,993,-,-,526,17
869,-,402,718,-,-,457,160,236,767,-,380,851,132,-,-,596,903,613,730,-,261,-,142,379,885,89,-,848,258,112,-,900,-,-,818,639,268,600,-
624,162,813,427,727,582,639,-,36,684,256,438,-,-,-,-,539,379,664,561,542,-,999,585,-,-,321,398,-,-,950,68,193,-,697,-,390,588,848,-
300,122,649,448,793,-,538,890,403,344,990,-,-,433,596,539,-,-,73,-,318,-,-,500,-,968,-,291,-,-,765,196,504,757,-,542,-,395,227,148
609,910,386,916,457,861,374,812,286,489,801,41,-,598,903,379,-,-,-,946,136,399,-,941,707,156,757,258,251,-,807,-,-,-,461,501,-,-,616,-
131,-,252,258,981,-,-,605,986,565,154,266,248,-,613,664,73,-,-,686,-,-,575,627,817,282,-,698,398,222,-,649,-,-,-,-,-,654,-,-
-,729,391,-,191,683,-,953,-,-,53,-,220,-,730,561,-,946,686,-,-,389,729,553,304,703,455,857,260,-,991,182,351,477,867,-,-,889,217,853
251,802,264,760,-,293,-,-,-,-,474,-,-,168,-,542,318,136,-,-,-,-,392,-,-,-,267,407,27,651,80,927,-,974,977,-,-,457,117,-
-,941,637,909,-,-,966,-,810,103,650,104,826,870,261,-,-,399,-,389,-,-,-,202,-,-,-,-,867,140,403,962,785,-,511,-,1,-,707,-
-,922,349,529,-,-,-,-,761,810,402,867,359,-,-,999,-,-,575,729,392,-,-,388,939,-,959,-,83,463,361,-,-,512,931,-,224,690,369,-
-,573,-,311,351,66,-,79,574,463,-,609,829,-,142,585,500,941,627,553,-,202,388,-,164,829,-,620,523,639,936,-,-,490,-,695,-,505,109,-
856,531,-,404,969,-,-,-,53,733,-,-,-,-,379,-,-,707,817,304,-,-,939,164,-,-,616,716,728,-,889,349,-,963,150,447,-,292,586,264
221,539,-,-,925,27,-,712,793,665,-,270,234,128,885,-,968,156,282,703,-,-,-,829,-,-,-,822,-,-,-,736,576,-,697,946,443,-,205,194
514,667,108,-,987,-,-,613,-,494,966,861,198,437,89,321,-,757,-,455,267,-,959,-,616,-,-,-,349,156,339,-,102,790,359,-,439,938,809,260
-,607,-,588,328,-,449,312,-,644,-,-,145,-,-,398,291,258,698,857,407,-,-,620,716,822,-,-,293,486,943,-,779,-,6,880,116,775,-,947
591,-,727,680,282,290,120,452,777,863,-,-,409,383,848,-,-,251,398,260,27,867,83,523,728,-,349,293,-,212,684,505,341,384,9,992,507,48,-,-
762,920,225,875,589,-,797,-,330,25,406,165,68,364,258,-,-,-,222,-,651,140,463,639,-,-,156,486,212,-,-,349,723,-,-,186,-,36,240,752
182,-,578,-,-,786,358,978,936,385,989,-,359,966,112,950,765,807,-,991,80,403,361,936,889,-,339,943,684,-,-,965,302,676,725,-,327,134,-,147
56,-,699,615,873,-,232,900,883,-,772,675,-,227,-,68,196,-,649,182,927,962,-,-,349,736,-,-,505,349,965,-,474,178,833,-,-,555,853,-
-,315,-,-,477,554,550,-,286,342,932,250,814,-,900,193,504,-,-,351,-,785,-,-,-,576,102,779,341,723,302,474,-,689,-,-,-,451,-,-
884,649,898,409,-,817,-,901,-,470,7,686,218,-,-,-,757,-,-,477,974,-,512,490,963,-,790,-,384,-,676,178,689,-,245,596,445,-,-,343
412,937,294,758,-,33,305,-,174,-,-,995,186,807,-,697,-,461,-,867,977,511,931,-,150,697,359,6,9,-,725,833,-,245,-,949,-,270,-,112
273,-,-,221,19,-,997,-,-,-,823,366,-,993,818,-,542,501,-,-,-,-,-,695,447,946,-,880,992,186,-,-,-,596,949,-,91,-,768,273
636,185,575,-,450,54,662,225,-,-,391,191,-,-,639,390,-,-,-,-,-,1,224,-,-,443,439,116,507,-,327,-,-,445,-,91,-,248,-,344
-,102,168,-,-,506,744,533,-,730,-,-,929,-,268,588,395,-,654,889,457,-,690,505,292,-,938,775,48,36,134,555,451,-,270,-,248,-,371,680
-,636,432,76,-,386,686,770,828,582,-,433,203,526,600,848,227,616,-,217,117,707,369,109,586,205,809,-,-,240,-,853,-,-,-,768,-,371,-,540
774,289,833,257,-,381,239,722,711,468,933,-,-,17,-,-,148,-,-,853,-,-,-,-,264,194,260,947,-,752,147,-,-,343,112,273,344,680,540,-`
/*
var in string = `-,16,12,21,-,-,-
16,-,-,17,20,-,-
12,-,-,28,-,31,-
21,17,28,-,18,19,23
-,20,-,18,-,-,11
-,-,31,19,-,-,27
-,-,-,23,11,27,-`
// Should be 243 - 93
*/
var charsetEdge string = " ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+=-_^'%#$!<>{}()[]@"
func printEdge( e Edge ) {
fmt.Printf("From %c to %c by %d\n", charsetEdge[e.src], charsetEdge[e.dst], e.value)
}
var isInTheWeb [41]int
func main() {
edges := []Edge{}
r := csv.NewReader(strings.NewReader(in))
x, y := 0, 0
for {
record, err := r.Read()
if err == io.EOF {
break
}
if err != nil {
log.Fatal(err)
}
x++
y = 1
for _, val := range record[0:x] {
if v, err := strconv.Atoi(val); err == nil {
edges = append(edges, Edge{y, x, v})
}
y++
}
}
total := 0
maxValue := 0
sort.Slice(edges, func(i, j int) bool {
return edges[i].value < edges[j].value
})
for _, edge := range edges {
maxValue += edge.value
if isInTheWeb[edge.src] != isInTheWeb[edge.dst] {
if isInTheWeb[edge.src] == 0 {
isInTheWeb[edge.src] = isInTheWeb[edge.dst]
} else if isInTheWeb[edge.dst] == 0 {
isInTheWeb[edge.dst] = isInTheWeb[edge.src]
}else {
newVal, oldVal := minMax(isInTheWeb[edge.dst], isInTheWeb[edge.src])
for i := range isInTheWeb {
if isInTheWeb[i] == oldVal {
isInTheWeb[i] = newVal
}
}
}
printEdge( edge )
fmt.Println( isInTheWeb )
total += edge.value
} else if isInTheWeb[edge.src] == 0 && isInTheWeb[edge.dst] == 0 {
isInTheWeb[edge.src],_ = minMax(edge.src, edge.dst)
isInTheWeb[edge.dst],_ = minMax(edge.src, edge.dst)
printEdge( edge )
fmt.Println( isInTheWeb )
total += edge.value
}
}
fmt.Println("Max is : ", maxValue)
fmt.Println("Min is : ", total)
fmt.Println("Diff is : ", maxValue-total)
}
|
