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Merge pull request #6430 from hozlucas28/Solution-39-Go
#39 - Go
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package main | ||
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import ( | ||
"fmt" | ||
"math" | ||
"slices" | ||
"time" | ||
) | ||
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/* -------------------------------------------------------------------------- */ | ||
/* FUNCTIONS */ | ||
/* -------------------------------------------------------------------------- */ | ||
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/* ----------------------------- First Challenge ---------------------------- */ | ||
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func GetBatmanDayAnniversary(anniversary uint16) *time.Time { | ||
var anniversaryDate time.Time = time.Date(1939, 9, 16, 0, 0, 0, 0, time.Local) | ||
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if anniversary > 0 { | ||
anniversaryDate = time.Date(1939+int(anniversary), 9, 1, 0, 0, 0, 0, time.Local) | ||
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var saturdayCounter uint8 = 0 | ||
if anniversaryDate.Weekday() == time.Saturday { | ||
saturdayCounter = 1 | ||
} | ||
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for saturdayCounter < 3 { | ||
anniversaryDate = anniversaryDate.AddDate(0, 0, 1) | ||
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if anniversaryDate.Weekday() == time.Saturday { | ||
saturdayCounter += 1 | ||
} | ||
} | ||
} | ||
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return &anniversaryDate | ||
} | ||
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/* ---------------------------- Second Challenge ---------------------------- */ | ||
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type ThreatLevel struct { | ||
X uint | ||
Y uint | ||
Level uint | ||
_ struct{} | ||
} | ||
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type Sensors struct { | ||
Array2D [][]uint | ||
_ struct{} | ||
} | ||
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func (sensors *Sensors) GetThreatLevels() []*ThreatLevel { | ||
var threatLevels []*ThreatLevel = make([]*ThreatLevel, 0, (len(sensors.Array2D)-2)*(len(sensors.Array2D[0])-2)) | ||
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var rows uint = uint(len(sensors.Array2D)) | ||
var cols uint = uint(len(sensors.Array2D[0])) | ||
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for i := uint(1); i < rows-1; i++ { | ||
for j := uint(1); j < cols-1; j++ { | ||
var threatLevel uint = 0 | ||
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threatLevel += sensors.Array2D[i-1][j-1] | ||
threatLevel += sensors.Array2D[i-1][j] | ||
threatLevel += sensors.Array2D[i-1][j+1] | ||
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threatLevel += sensors.Array2D[i][j-1] | ||
threatLevel += sensors.Array2D[i][j] | ||
threatLevel += sensors.Array2D[i][j+1] | ||
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threatLevel += sensors.Array2D[i+1][j-1] | ||
threatLevel += sensors.Array2D[i+1][j] | ||
threatLevel += sensors.Array2D[i+1][j+1] | ||
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threatLevels = append(threatLevels, &ThreatLevel{X: j, Y: i, Level: threatLevel}) | ||
} | ||
} | ||
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return threatLevels | ||
} | ||
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/* -------------------------------------------------------------------------- */ | ||
/* MAIN */ | ||
/* -------------------------------------------------------------------------- */ | ||
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func main() { | ||
fmt.Println("> First challenge...") | ||
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var batmanDay85thAnniversary *time.Time = GetBatmanDayAnniversary(85) | ||
var batmanDay100thAnniversary *time.Time = GetBatmanDayAnniversary(100) | ||
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fmt.Printf( | ||
"\n> The 85th anniversary of Batman day is on %d/%d/%d.\n", | ||
batmanDay85thAnniversary.Month(), | ||
batmanDay85thAnniversary.Day(), | ||
batmanDay85thAnniversary.Year(), | ||
) | ||
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fmt.Printf( | ||
"> The 100th anniversary of Batman day is on %d/%d/%d.\n", | ||
batmanDay100thAnniversary.Month(), | ||
batmanDay100thAnniversary.Day(), | ||
batmanDay100thAnniversary.Year(), | ||
) | ||
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fmt.Println("\n> Second challenge...") | ||
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var batmanCavePos [2]uint = [2]uint{0, 0} | ||
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var sensors Sensors = Sensors{ | ||
Array2D: [][]uint{ | ||
{1, 0, 1, 1, 2, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1}, | ||
{2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0}, | ||
{1, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 0, 1, 0, 1}, | ||
{0, 9, 8, 0, 2, 0, 9, 2, 8, 1, 0, 1, 3, 7, 8, 1, 0, 2, 7, 6}, | ||
{1, 0, 1, 1, 2, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1}, | ||
{3, 1, 8, 7, 9, 6, 1, 7, 9, 0, 1, 0, 1, 9, 2, 1, 3, 0, 8, 0}, | ||
{1, 6, 9, 1, 2, 8, 0, 2, 1, 3, 2, 8, 7, 2, 8, 0, 1, 7, 9, 0}, | ||
{1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 1, 0}, | ||
{0, 1, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 0, 1, 0}, | ||
{2, 0, 1, 0, 1, 2, 0, 1, 0, 1, 0, 1, 2, 0, 1, 0, 1, 0, 1, 2}, | ||
{7, 8, 6, 1, 0, 9, 2, 8, 1, 3, 7, 1, 0, 2, 0, 9, 1, 6, 7, 8}, | ||
{0, 1, 7, 9, 2, 8, 1, 6, 7, 8, 1, 2, 0, 3, 1, 8, 2, 7, 0, 1}, | ||
{3, 0, 9, 1, 8, 6, 1, 0, 7, 9, 2, 0, 1, 2, 8, 0, 1, 9, 6, 1}, | ||
{1, 1, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 0, 1, 0}, | ||
{0, 1, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 0, 1, 2, 0, 1, 0, 1, 0}, | ||
{2, 0, 1, 0, 1, 2, 0, 1, 0, 1, 0, 1, 2, 0, 1, 0, 1, 0, 1, 2}, | ||
{9, 6, 1, 0, 9, 8, 7, 2, 8, 0, 1, 0, 3, 6, 2, 7, 9, 2, 8, 1}, | ||
{0, 7, 8, 9, 6, 2, 1, 9, 6, 7, 8, 0, 9, 7, 6, 8, 1, 0, 2, 8}, | ||
{2, 0, 1, 0, 1, 2, 0, 1, 0, 1, 0, 1, 2, 0, 1, 0, 1, 0, 1, 2}, | ||
{3, 2, 1, 9, 6, 7, 0, 3, 1, 8, 2, 7, 9, 2, 0, 9, 7, 6, 8, 0}, | ||
}, | ||
} | ||
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var threatLevels []*ThreatLevel = sensors.GetThreatLevels() | ||
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var threatLevelsGreaterThanTwenty []*ThreatLevel = slices.DeleteFunc(threatLevels, func(threatLevel *ThreatLevel) bool { | ||
return threatLevel.Level < 20 | ||
}) | ||
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fmt.Println("\n> Threat levels greater than 20 (security protocol activated)...") | ||
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for _, threatLevel := range threatLevelsGreaterThanTwenty { | ||
fmt.Printf("\n> Coordinates (x, y): (%d, %d).\n", threatLevel.X, threatLevel.Y) | ||
fmt.Printf("> Threat level: %d.\n", threatLevel.Level) | ||
} | ||
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fmt.Println("\n> Position with the maximum threat level...") | ||
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var maxThreatLevel *ThreatLevel = slices.MaxFunc(threatLevelsGreaterThanTwenty, func(a *ThreatLevel, b *ThreatLevel) int { | ||
return int(a.Level - b.Level) | ||
}) | ||
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var distanceToBatmanCave uint = uint(math.Abs(float64(maxThreatLevel.X-batmanCavePos[0])) + | ||
math.Abs(float64(maxThreatLevel.Y-batmanCavePos[1]))) | ||
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fmt.Printf("\n> Coordinates (x, y): (%d, %d).\n", maxThreatLevel.X, maxThreatLevel.Y) | ||
fmt.Printf("> Threat level: %d.\n", maxThreatLevel.Level) | ||
fmt.Printf("> Distance to batman cave: %d cells.\n", distanceToBatmanCave) | ||
} |