Stdle #134 · iteration · 2026-10-18

What does this Go snippet output?

A past puzzle — fully playable. 4 attempts, hints on wrong guesses.

1package main
2 
3import "fmt"
4 
5func main() {
6outer:
7	for i := 0; i < 3; i++ {
8		for j := 0; j < 3; j++ {
9			if i == 1 && j == 1 {
10				break outer
11			}
12			fmt.Print(i*10+j, " ")
13		}
14	}
15	fmt.Println()
16}

Iteration

What does this Go snippet output?

Answer & explanation