20201123

20201123/main.go

@@ -0,0 +1,35 @@
+package main
+
+import (
+	"math/big"
+	"strconv"
+)
+
+func main() {
+
+}
+
+func solution(k int, a []int) []int {
+	ks, _ := (&big.Int{}).SetString(strconv.Itoa(k), 0)
+	s := (&big.Int{}).Add(mergeSlice(a), ks).String()
+	return stringToSlice(s)
+}
+
+func mergeSlice(n []int) *big.Int {
+	var s string
+	for _, x := range n {
+		sn := strconv.Itoa(x)
+		s += sn
+	}
+	ret, _ := (&big.Int{}).SetString(s, 0)
+	return ret
+}
+
+func stringToSlice(s string) []int {
+	var ret []int
+	for _, sn := range s {
+		in, _ := strconv.Atoi(string(sn))
+		ret = append(ret, in)
+	}
+	return ret
+}