CSES - DatatÃ¤hti 2022 alku - Results
 Task: Spiraali (Spiral) Sender: Lexa_ft Submission time: 2021-10-09 18:06:01 Language: PyPy3 Status: READY Result: 0
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groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.04 s1details
#20.08 s2details
#3--3details

### Code

```rawin=input().split(" ")
n=int(rawin[0])
hn=int(n/2)
ma=n**2
t=int(rawin[1])

ans=[]

for i in range(t):
rawin=input().split(" ")
y=int(rawin[0])
x=int(rawin[1])

if(x==1):
ans.append(y)

elif(y==n):
ans.append(n+x-1)

elif(x<n-y+2):
neq=4
save=4

if(y<=x-1):
corn=hn-y-1
else:
corn=hn-x

if(corn==-1):
neq=0
for j in range(corn):
neq+=save+8
save+=8

ans.append(ma-neq-x+y+1)

else:
neq=0
save=0

if(y>=x):
corn=y-hn-1
else:
corn=x-hn-1

if(corn==-1):
neq=0
for j in range(corn):
neq+=save+8
save+=8

ans.append(ma-neq-(y-hn)+(x-hn-1))

print(corn, neq, ma, ans[-1])
```

### Test details

Group: 1

Verdict:

input
10 100
1 1
1 2
1 3
1 4
...

correct output
1
36
35
34
33
...

user output
4 80 100 19

#### Test 2

Group: 2

Verdict:

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

correct output
773533
312166
206053
200080
593922
...

user output
120 58080 1000000 942154

#### 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)