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1296a.go
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1296a.go
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// 00
package main
import (
"bufio"
"fmt"
"os"
)
func write(f *bufio.Writer, a ...interface{}) {
f.Write([]byte(fmt.Sprint(a...)))
}
type Number interface {
int64 | float64 | int
}
func min[K Number](a K, b K) K {
if a < b {
return a
}
return b
}
func max[K Number](a K, b K) K {
if a > b {
return a
}
return b
}
func abs[K Number](a K) K {
if a < 0 {
return -a
}
return a
}
func main() {
var T int
reader := bufio.NewReader(os.Stdin)
f := bufio.NewWriter(os.Stdout)
defer f.Flush()
fmt.Fscan(reader, &T)
for t := 1; t <= T; t++ {
var n int
fmt.Fscan(reader, &n)
a := make([]int, n)
for i := 0; i < n; i++ {
fmt.Fscan(reader, &a[i])
}
all_even := true
all_odd := true
for i := 0; i < n; i++ {
if a[i] % 2 == 0 {
all_odd = false
}else{
all_even = false
}
}
if all_even || all_odd && n % 2 == 0 {
write(f, "No\n")
}else{
write(f, "Yes\n")
}
}
}