Embedded Files
function placeQ (col: number) {
if (col == 5) {
basic.pause(100)
return 1
} else {
for (let row = 0; row <= 4; row++) {
if (isValid(row, col) == 1) {
led.plot(col, row)
basic.pause(0)
placeQ(col + 1)
led.unplot(col, row)
}
}
}
return 0
}
function isValid (row: number, col: number) {
for (let index = 0; index <= 4; index++) {
if (led.point(index, row)) {
return 0
}
if (led.point(col, index)) {
return 0
}
}
list = [
[-1, -1],
[-1, 1],
[1, -1],
[1, 1]
]
for (let value of list) {
nowRow = row
nowCol = col
while (nowRow >= 0 && nowRow < 5 && (nowCol >= 0 && nowCol < 5)) {
if (led.point(nowCol, nowRow)) {
return 0
}
nowRow += value[0]
nowCol += value[1]
}
}
return 1
}
let nowCol = 0
let nowRow = 0
let list: number[][] = []
while (true) {
placeQ(0)
}
def placeQ(col: number):
if col == 5:
basic.pause(100)
return 1
else:
for row in range(5):
if isValid(row, col) == 1:
led.plot(col, row)
basic.pause(0)
placeQ(col + 1)
led.unplot(col, row)
return 0
def isValid(row2: number, col2: number):
global list2, nowRow, nowCol
for index in range(5):
if led.point(index, row2):
return 0
if led.point(col2, index):
return 0
list2 = [[-1, -1], [-1, 1], [1, -1], [1, 1]]
for value in list2:
nowRow = row2
nowCol = col2
while nowRow >= 0 and nowRow < 5 and (nowCol >= 0 and nowCol < 5):
if led.point(nowCol, nowRow):
return 0
nowRow += value[0]
nowCol += value[1]
return 1
nowCol = 0
nowRow = 0
list2: List[List[number]] = []
while True:
placeQ(0)
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