CF1375A

Author: EndlessCheng

main/1300-1399/1375A.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"bufio"
+	. "fmt"
+	"io"
+)
+
+// github.com/EndlessCheng/codeforces-go
+func CF1375A(_r io.Reader, _w io.Writer) {
+	in := bufio.NewReader(_r)
+	out := bufio.NewWriter(_w)
+	defer out.Flush()
+
+	var T, n, v int
+	for Fscan(in, &T); T > 0; T-- {
+		for Fscan(in, &n); n > 0; n-- {
+			if Fscan(in, &v); v > 0 == (n&1 > 0) {
+				v = -v
+			}
+			Fprint(out, -v, " ")
+		}
+		Fprintln(out)
+	}
+}
+
+//func main() { CF1375A(os.Stdin, os.Stdout) }

main/1300-1399/1375A_test.go

@@ -0,0 +1,32 @@
+package main
+
+import (
+	"github.com/EndlessCheng/codeforces-go/main/testutil"
+	"testing"
+)
+
+// https://codeforces.com/problemset/problem/1375/A
+// https://codeforces.com/problemset/status/1375/problem/A
+func TestCF1375A(t *testing.T) {
+	// just copy from website
+	rawText := `
+inputCopy
+5
+3
+-2 4 3
+5
+1 1 1 1 1
+5
+-2 4 7 -6 4
+9
+9 7 -4 -2 1 -3 9 -4 -5
+9
+-4 1 9 4 8 9 5 1 -9
+outputCopy
+-2 -4 3
+1 1 1 1 1
+-2 -4 7 -6 4
+-9 -7 -4 2 1 -3 -9 -4 -5
+4 -1 -9 -4 -8 -9 -5 -1 9`
+	testutil.AssertEqualCase(t, rawText, 0, CF1375A)
+}