#include <bits/stdc++.h>
using namespace std;
#define MAXN 100005
#define FOR(i, a, b) for(int i = a; i <= b; i++)
#define f first
#define s second
int r = 0;
pair<int, int> getnd(string str){
pair<int, int> nd = {0, 1};
for(char c : str){
if(c == '1'){
nd.f++;
nd.s = nd.s * 2 - 1;
}else if(c == '2'){
nd.f++;
nd.s *= 2;
}else if(c == 'U'){
nd.f--;
nd.s = (nd.s + 1) / 2;
}else if(c == 'L'){
nd.s--;
}else if(c == 'R'){
nd.s++;
}
// cout << " => " << nd.f << ", " << nd.s << endl;
}
return nd;
}
pair<int, int> moveup(pair<int, int> nd, int upsz){
FOR(i, 1, upsz){
nd.f--;
nd.s = (nd.s + 1) / 2;
}
return nd;
}
void go(pair<int, int> a, pair<int, int> b){
if(a.s > b.s) swap(a, b);
while(a.f != 0){
int ud = 2 + (b.s - a.s) / 2 + (a.s % 2 == 0 && b.s % 2 == 1);
if(b.s - a.s < ud) {
r += b.s - a.s;
return;
}
a = moveup(a, 1), b = moveup(b, 1);
r += 2;
}
}
int main(){
string sa, sb; cin >> sa >> sb;
pair<int, int> a = getnd(sa);
// cout << endl;
pair<int, int> b = getnd(sb);
if(a.f < b.f) swap(a, b);
r += a.f - b.f;
// cout << r << " a is : " << a.f << ", " << a.s << " and b is : " << b.f << ", " << b.s << endl;
a = moveup(a, a.f - b.f);
// cout << r << " a is : " << a.f << ", " << a.s << " and b is : " << b.f << ", " << b.s << endl;
go(a, b);
cout << r << endl;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
604 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
3 ms |
604 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
508 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
1 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
2 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
4 ms |
604 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
3 ms |
600 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
3 ms |
604 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |