CSES - Putka Open 2015 – 4/6 - Results
Submission details
Task:Labyrintti
Sender:
Submission time:2015-10-11 22:41:01 +0300
Language:C++
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED12
#2ACCEPTED29
#3ACCEPTED59
Test results
testverdicttimegroup
#1ACCEPTED0.06 s1details
#2ACCEPTED0.06 s1details
#3ACCEPTED0.05 s1details
#4ACCEPTED0.06 s1details
#5ACCEPTED0.05 s1details
#6ACCEPTED0.06 s2details
#7ACCEPTED0.06 s2details
#8ACCEPTED0.06 s2details
#9ACCEPTED0.05 s2details
#10ACCEPTED0.06 s2details
#11ACCEPTED0.06 s3details
#12ACCEPTED0.05 s3details
#13ACCEPTED0.06 s3details
#14ACCEPTED0.06 s3details
#15ACCEPTED0.05 s3details

Code

#include <iostream>
using namespace std;
long long x1, y1, x2, y2;
long long Abs(long long a){ return a>0?a:-a;}
pair<long long, long long> dp(int s){
long long x=-1; long long y=1;
for (int i=4; i<s; ++i){
if (i==4) y-=2;
else if (i==5) x+=4;
else{
if (i%4==0) y-=(1LL<<(i-4))+2;
if (i%4==1) x+=(1LL<<(i-4))+2;
if (i%4==2) y+=(1LL<<(i-4))+2;
if (i%4==3) x-=(1LL<<(i-4))+2;
}
}
return make_pair(x, y);
}
int ft(long long x, long long y){
int s=4;
long long d=0;
long long r=2;
long long u=4;
long long l=-6;
long long x1=l;
long long x2=r;
long long y1=d+1;
long long y2=u;
while (!(x1<=x && x<=x2 && y1<=y && y<=y2)){
// cout << s << ": " << x1 << " " << x2 << " " << y1 << " " << y2 << endl;
if (s%4==0){ //alas
d=u-(1LL<<s);
y1=d;
x2=r-(1LL<<(s-3))-1;
}
if (s%4==1){ // oik
r=l+(1LL<<s);
x2=r;
y2=u-(1LL<<(s-3))-1;
}
if (s%4==2){ // yl
u=d+(1LL<<s);
y2=u;
x1=l+(1LL<<(s-3))+1;
}
if (s%4==3){ // v
l=r-(1LL<<s);
x1=l;
y1=d+(1LL<<(s-3))+1;
}
++s;
}
return s;
}
int main(){
ios_base::sync_with_stdio(0); cin.tie(0);
/*
for (int y=6; y>=-16; --y){
for (int x=-9; x<=6; ++x){
if (dp(ft(x, y)).first==x && dp(ft(x, y)).second==y) cout << "X" << " ";
else cout << ft((long long)x, (long long)y) << " ";
}cout << endl;
}
//*/
cin >> y1 >> x1 >> y2 >> x2; y1=-y1; y2=-y2;
int s1=ft(x1, y1);
int s2=ft(x2, y2);
long long ans=0;
if (s1==s2 || Abs(s2-s1)==1){
ans=Abs(x2-x1)+Abs(y1-y2);
}else if (s1>s2){--s1;
long long x=dp(s2).first;
long long y=dp(s2).second;
ans+=Abs(x2-x)+Abs(y2-y);
x=dp(s1).first;
y=dp(s1).second;
ans+=Abs(x1-x)+Abs(y1-y);
for (int i=s2; i<s1; ++i) ans+=(1LL<<(i-4))+2;
if (s2==4) --ans;
}else{--s2;
long long x=dp(s1).first;
long long y=dp(s1).second;
ans+=Abs(x1-x)+Abs(y1-y);
x=dp(s2).first;
y=dp(s2).second;
ans+=Abs(x2-x)+Abs(y2-y);
for (int i=s1; i<s2; ++i) ans+=(1LL<<(i-4))+2;
if (s1==4) --ans;
}
cout << ans << endl;
}

Test details

Test 1

Group: 1

Verdict: ACCEPTED

input
6 -1 8 -2

correct output
3

user output
3

Test 2

Group: 1

Verdict: ACCEPTED

input
-8 2 8 -9

correct output
27

user output
27

Test 3

Group: 1

Verdict: ACCEPTED

input
3 2 -5 -1

correct output
13

user output
13

Test 4

Group: 1

Verdict: ACCEPTED

input
4 4 2 7

correct output
5

user output
5

Test 5

Group: 1

Verdict: ACCEPTED

input
-5 4 -6 -3

correct output
8

user output
8

Test 6

Group: 2

Verdict: ACCEPTED

input
-156 226 -9 7

correct output
438

user output
438

Test 7

Group: 2

Verdict: ACCEPTED

input
403 265 10 0

correct output
1100

user output
1100

Test 8

Group: 2

Verdict: ACCEPTED

input
146 462 9 -3

correct output
1160

user output
1160

Test 9

Group: 2

Verdict: ACCEPTED

input
223 82 -1 5

correct output
725

user output
725

Test 10

Group: 2

Verdict: ACCEPTED

input
1 390 -5 2

correct output
436

user output
436

Test 11

Group: 3

Verdict: ACCEPTED

input
-540305713988379 -580514137141...

correct output
1233409841814111

user output
1233409841814111

Test 12

Group: 3

Verdict: ACCEPTED

input
-156703691254895 -816797859965...

correct output
1086091541904259

user output
1086091541904259

Test 13

Group: 3

Verdict: ACCEPTED

input
-438806811971369 -748477242640...

correct output
1299874045296142

user output
1299874045296142

Test 14

Group: 3

Verdict: ACCEPTED

input
939351840049839 -9541207461566...

correct output
2118652567575152

user output
2118652567575152

Test 15

Group: 3

Verdict: ACCEPTED

input
-840127817790022 1113515308437...

correct output
1007774343975947

user output
1007774343975947