CSES - DatatÃ¤hti 2022 alku - Results
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groupverdictscore
#1ACCEPTED15
#2ACCEPTED20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.02 s1details
#2ACCEPTED0.98 s2details
#3--3details

### Code

```def changeDir(d):
if(d == "down"):
return "right"
elif(d=="right"):
return "up"
elif(d=="up"):
return "left"
elif(d=="left"):
return "down"

c = input("")

c = c.split()

n = int(c[0])
t = int(c[1])

array = [[0 for x in range(n)] for y in range(n)]

step = 1

x = 0
y = 0

array[0][0] = step
step +=1

dir = "down"

while(step <= n**2):

if(dir == "down"):
if(array[y+1][x] == 0):
y+=1
array[y][x] = step
step+=1
if(y==n-1):
dir = changeDir(dir)
else:
dir = changeDir(dir)

if(dir == "right"):
if(array[y][x+1] == 0):
x+=1
array[y][x] = step
step+=1
if(x==n-1):
dir = changeDir(dir)
else:
dir = changeDir(dir)

if(dir == "up"):
if(array[y-1][x] == 0 ):
y-=1
array[y][x] = step
step+=1
if(y==0):
dir = changeDir(dir)
else:
dir = changeDir(dir)

if(dir == "left"):
if(array[y][x-1] == 0):
x-=1
array[y][x] = step
step+=1
if(x==0):
dir = changeDir(dir)
else:
dir = changeDir(dir)

ans = []

for s in range(t):
i = input("")
coord = i.split()
ans.append(array[int(coord[0])-1][int(coord[1])-1])

for a in ans:
print(a)
```

### Test details

#### Test 1

Group: 1

Verdict: ACCEPTED

input
10 100
1 1
1 2
1 3
1 4
...

correct output
1
36
35
34
33
...

user output
1
36
35
34
33
...

#### Test 2

Group: 2

Verdict: ACCEPTED

input
1000 1000
371 263
915 322
946 880
53 738
...

correct output
773533
312166
206053
200080
593922
...

user output
773533
312166
206053
200080
593922
...

#### Test 3

Group: 3

Verdict:

input
1000000000 1000
177757853 827347032
409613589 419171337
739269360 256524697
328695530 896842209
...

correct output
571375684522141210
967321186816598569
762879105851175000
370065046779516790
936897883750373771
...

user output
(empty)