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euler-console.go
107 lines (95 loc) · 2.63 KB
/
euler-console.go
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package main
import (
"flag"
"fmt"
"time"
"strconv"
)
func main() {
probPtr := flag.Int("prob",0, "Problem to solve")
flag.Parse()
if *probPtr == 0 {
fmt.Println("euler-console is a tool for running my own project euler solutions")
fmt.Println("Usage:")
fmt.Println("\t project-euler -prob=[num] [arg1] ...")
return
}
fmt.Println("project euler, problem", *probPtr)
fmt.Println("arguments:", flag.Args())
fmt.Println("----------------------")
start := time.Now()
switch *probPtr {
case 1:
euler_1(IntArg(flag.Arg(0)), IntArg(flag.Arg(1)), IntArg(flag.Arg(2)))
case 2:
euler_2(IntArg(flag.Arg(0)))
case 3:
euler_3(IntArg(flag.Arg(0)))
case 4:
euler_4(IntArg(flag.Arg(0)))
case 5:
euler_5(IntArg(flag.Arg(0)))
case 6:
euler_6(IntArg(flag.Arg(0)))
case 7:
euler_7(IntArg(flag.Arg(0)))
case 8:
s := "73167176531330624919225119674426574742355349194934" +
"96983520312774506326239578318016984801869478851843" +
"85861560789112949495459501737958331952853208805511" +
"12540698747158523863050715693290963295227443043557" +
"66896648950445244523161731856403098711121722383113" +
"62229893423380308135336276614282806444486645238749" +
"30358907296290491560440772390713810515859307960866" +
"70172427121883998797908792274921901699720888093776" +
"65727333001053367881220235421809751254540594752243" +
"52584907711670556013604839586446706324415722155397" +
"53697817977846174064955149290862569321978468622482" +
"83972241375657056057490261407972968652414535100474" +
"82166370484403199890008895243450658541227588666881" +
"16427171479924442928230863465674813919123162824586" +
"17866458359124566529476545682848912883142607690042" +
"24219022671055626321111109370544217506941658960408" +
"07198403850962455444362981230987879927244284909188" +
"84580156166097919133875499200524063689912560717606" +
"05886116467109405077541002256983155200055935729725" +
"71636269561882670428252483600823257530420752963450"
euler_8(s)
case 9:
euler_9(IntArg(flag.Arg(0)))
case 10:
euler_10(IntArg(flag.Arg(0)))
case 11:
euler_11()
case 12:
euler_12(500)
case 14:
euler_14()
case 16:
euler_16(IntArg(flag.Arg(0)))
case 17:
euler_17()
case 18:
euler_18()
case 19:
euler_19()
case 20:
euler_20(IntArg(flag.Arg(0)))
case 21:
euler_21()
default:
fmt.Println("solution not implemented")
return
}
elapsed := time.Since(start)
fmt.Println("----------------------")
fmt.Println("Solution took", elapsed)
}
func IntArg(s string) int {
k, _ := strconv.Atoi(s)
return k
}
func Float64Arg(s string) float64 {
k, _ := strconv.ParseFloat(s, 64)
return k
}