#define DEBUG 0
#include <bits/stdc++.h>
using namespace std;
#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}
// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
public:
template<typename T>
_Debug& operator,(T val) {
cout << val << endl;
return *this;
}
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif
// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back
// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;
// ---------- END OF TEMPLATE ----------
vpii A,B;
vi A2,B2;
int convert(string a,vpii &A) {
int i;
A.pb(mp(1,1));
for (i = 0; i < a.size(); i++) {
if (a[i] == '1') {
if (A.back().first == 0) A.back().second++;
else A.pb(mp(0,1));
}
else if (a[i] == '2') {
if (A.back().first == 1) A.back().second++;
else A.pb(mp(1,1));
}
else if (a[i] == 'U') {
A.back().second--;
if (A.back().second == 0) A.pop_back();
}
else if (a[i] == 'L') {
if (A.back().first == 1) {
A.back().second--;
if (A.back().second == 0) A.pop_back(),A.back().second++;
else A.pb(mp(0,1));
}
else {
pii p = A.back();
A.pop_back();
A.back().second--;
if (A.back().second == 0) A.pop_back(),A.back().second++;
else A.pb(mp(0,1));
A.pb(mp(1,p.second));
}
}
else {
if (A.back().first == 0) {
A.back().second--;
if (A.back().second == 0) A.pop_back(),A.back().second++;
else A.pb(mp(1,1));
}
else {
pii p = A.back();
A.pop_back();
A.back().second--;
if (A.back().second == 0) A.pop_back(),A.back().second++;
else A.pb(mp(1,1));
A.pb(mp(0,p.second));
}
}
}
return 0;
}
int main() {
string a,b;
cin >> a >> b;
int i;
convert(a,A),convert(b,B);
for (i = 0; i < A.size(); i++) {
while (A[i].second > 0) A2.pb(A[i].first),A[i].second--;
}
for (i = 0; i < B.size(); i++) {
while (B[i].second > 0) B2.pb(B[i].first),B[i].second--;
}
int ans = A2.size()+B2.size()-2,x = 0;
if (A2.size() < B2.size()) swap(A2,B2);
while (A2.size() > B2.size()) x++,A2.pop_back();
for (i = 0; i < A2.size(); i++) {
if (A2[i] != B2[i]) {
if (A2[i] < B2[i]) swap(A2,B2);
break;
}
}
int s = 0;
for (i = 0; i < A2.size(); i++) {
s <<= 1,s += A2[i]-B2[i];
if (s > ans) break;
else ans = min(ans,s+x+2*((int) A2.size()-i-1));
}
printf("%d\n",ans);
return 0;
}
Compilation message
board.cpp: In function 'int convert(std::__cxx11::string, vpii&)':
board.cpp:63:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (i = 0; i < a.size(); i++) {
~~^~~~~~~~~~
board.cpp: In function 'int main()':
board.cpp:115:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (i = 0; i < A.size(); i++) {
~~^~~~~~~~~~
board.cpp:118:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (i = 0; i < B.size(); i++) {
~~^~~~~~~~~~
board.cpp:125:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (i = 0; i < A2.size(); i++) {
~~^~~~~~~~~~~
board.cpp:132:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (i = 0; i < A2.size(); i++) {
~~^~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
2 ms |
504 KB |
Output is correct |
3 |
Correct |
2 ms |
656 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
8 ms |
1044 KB |
Output is correct |
2 |
Correct |
4 ms |
1044 KB |
Output is correct |
3 |
Correct |
8 ms |
1124 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
1124 KB |
Output is correct |
2 |
Correct |
2 ms |
1124 KB |
Output is correct |
3 |
Correct |
2 ms |
1124 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
1124 KB |
Output is correct |
2 |
Correct |
12 ms |
1604 KB |
Output is correct |
3 |
Correct |
7 ms |
1604 KB |
Output is correct |
4 |
Correct |
2 ms |
1604 KB |
Output is correct |
5 |
Correct |
2 ms |
1604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
1604 KB |
Output is correct |
2 |
Correct |
2 ms |
1604 KB |
Output is correct |
3 |
Correct |
3 ms |
1604 KB |
Output is correct |
4 |
Correct |
3 ms |
1604 KB |
Output is correct |
5 |
Correct |
2 ms |
1604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
1604 KB |
Output is correct |
2 |
Correct |
4 ms |
1604 KB |
Output is correct |
3 |
Correct |
2 ms |
1604 KB |
Output is correct |
4 |
Correct |
2 ms |
1604 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
1604 KB |
Output is correct |
2 |
Correct |
11 ms |
1856 KB |
Output is correct |
3 |
Correct |
7 ms |
1856 KB |
Output is correct |
4 |
Correct |
2 ms |
1856 KB |
Output is correct |
5 |
Correct |
2 ms |
1856 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
12 ms |
2588 KB |
Output is correct |
2 |
Correct |
13 ms |
2788 KB |
Output is correct |
3 |
Correct |
4 ms |
2788 KB |
Output is correct |
4 |
Correct |
3 ms |
2788 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
13 ms |
3068 KB |
Output is correct |
2 |
Correct |
12 ms |
3260 KB |
Output is correct |
3 |
Correct |
2 ms |
3260 KB |
Output is correct |
4 |
Correct |
3 ms |
3260 KB |
Output is correct |
5 |
Correct |
11 ms |
3484 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
17 ms |
3608 KB |
Output is correct |
2 |
Correct |
12 ms |
3844 KB |
Output is correct |
3 |
Correct |
9 ms |
3844 KB |
Output is correct |
4 |
Correct |
3 ms |
3844 KB |
Output is correct |
5 |
Correct |
4 ms |
3844 KB |
Output is correct |
6 |
Correct |
11 ms |
4184 KB |
Output is correct |