13 lines
170 B
Go
13 lines
170 B
Go
package main
|
|
|
|
import "fmt"
|
|
|
|
func main(){
|
|
var n int
|
|
fmt.Scanf("%d", &n)
|
|
js := 0
|
|
for i := 1; i <= n; i++ {
|
|
js += i
|
|
}
|
|
fmt.Println("%d", js)
|
|
} |