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math.go
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package main
import (
"fmt"
)
type sss struct {
a, b, c int
}
func main() {
arr := [...]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13}
//x := int{}
add := []sss{}
sub := []sss{}
xx1 := []sss{}
xx2 := []sss{}
for i, x := range arr {
for _, y := range arr[i+1:] {
if x+y <= arr[len(arr)-1] {
fmt.Printf("i:%d j:%d add:%d\n", x, y, x+y)
add = append(add, sss{x, y, x + y})
}
}
}
for i, x := range arr {
for _, y := range arr[i+1:] {
xx := y - x
if xx != x && xx != y {
fmt.Printf("i:%d j:%d sub:%d\n", x, y, y-x)
sub = append(sub, sss{x, y, y - x})
}
}
}
for i, x := range arr {
for _, y := range arr[i+1:] {
xx := x * y
if xx <= arr[len(arr)-1] && xx != x && xx != y {
fmt.Printf("i:%d j:%d xx1:%d\n", x, y, x*y)
s := sss{x, y, x * y}
xx1 = append(xx1, s)
}
}
}
for i, x := range arr {
for _, y := range arr[i+1:] {
xx := y % x
yy := y / x
if xx == 0 && yy != y && yy != x {
//if y%
fmt.Printf("i:%d j:%d xx2:%d\n", x, y, y/x)
xx2 = append(xx2, sss{x, y, y / x})
}
}
}
for _, x := range xx2 {
for _, y := range xx1 {
for _, z := range sub {
for _, zz := range add {
if x.a == y.a || x.a == y.b || x.a == y.c ||
x.b == y.a || x.b == y.b || x.b == y.c ||
x.c == y.a || x.c == y.b || x.c == y.c {
continue
}
if x.a == z.a || x.a == z.b || x.a == z.c ||
x.b == z.a || x.b == z.b || x.b == z.c ||
x.c == z.a || x.c == z.b || x.c == z.c {
continue
}
if x.a == zz.a || x.a == zz.b || x.a == zz.c ||
x.b == zz.a || x.b == zz.b || x.b == zz.c ||
x.c == zz.a || x.c == zz.b || x.c == zz.c {
continue
}
if y.a == z.a || y.a == z.b || y.a == z.c ||
y.b == z.a || y.b == z.b || y.b == z.c ||
y.c == z.a || y.c == z.b || y.c == z.c {
continue
}
if y.a == zz.a || y.a == zz.b || y.a == zz.c ||
y.b == zz.a || y.b == zz.b || y.b == zz.c ||
y.c == zz.a || y.c == zz.b || y.c == zz.c {
continue
}
if z.a == zz.a || z.a == zz.b || z.a == zz.c ||
z.b == zz.a || z.b == zz.b || z.b == zz.c ||
z.c == zz.a || z.c == zz.b || z.c == zz.c {
continue
}
fmt.Printf("%v %v %v %v\n", x, y, z, zz)
}
}
}
}
}