cf862A

Author: EndlessCheng

main/800-899/862A.go

@@ -0,0 +1,29 @@
+package main
+
+import (
+	. "fmt"
+	"io"
+)
+
+// https://github.com/EndlessCheng
+func cf862A(in io.Reader, out io.Writer) {
+	var n, x, v, ans int
+	Fscan(in, &n, &x)
+	has := make([]bool, x)
+	for range n {
+		Fscan(in, &v)
+		if v < x {
+			has[v] = true
+		} else if v == x {
+			ans++
+		}
+	}
+	for _, b := range has {
+		if !b {
+			ans++
+		}
+	}
+	Fprint(out, ans)
+}
+
+//func main() { cf862A(os.Stdin, os.Stdout) }

main/800-899/862A_test.go

@@ -0,0 +1,30 @@
+// Generated by copypasta/template/generator_test.go
+package main
+
+import (
+	"github.com/EndlessCheng/codeforces-go/main/testutil"
+	"testing"
+)
+
+// https://codeforces.com/problemset/problem/862/A
+// https://codeforces.com/problemset/status/862/problem/A?friends=on
+func Test_cf862A(t *testing.T) {
+	testCases := [][2]string{
+		{
+			`5 3
+0 4 5 6 7`,
+			`2`,
+		},
+		{
+			`1 0
+0`,
+			`1`,
+		},
+		{
+			`5 0
+1 2 3 4 5`,
+			`0`,
+		},
+	}
+	testutil.AssertEqualStringCase(t, testCases, 0, cf862A)
+}