Submission #384260

#	Time	Username	Problem	Language	Result	Execution time	Memory
384260		ijxjdjd	Board (CEOI13_board)	C++17	40 / 100	1093 ms	876 KiB

board

#include <bits/stdc++.h>
#define FR(i, N) for (int i = 0; i < int(N); i++)
#define all(x) begin(x), end(x)

using namespace std;

using ll = long long;

int main() {
	cin.tie(0);
	cin.sync_with_stdio(0);
	string A;
	string B;
	cin >> A >> B;
	ll sA = 1;
	ll sB = 1;
	for (char c : A){
        if (c == '1') {
            sA *= 2;
        }
        else if (c == '2') {
            sA *= 2;
            sA++;
        }
        else if (c == 'U') {
            sA /= 2;
        }
        else if (c == 'L') {
            sA--;
        }
        else if (c == 'R') {
            sA++;
        }
	}
	for (char c : B){
        if (c == '1') {
            sB *= 2;
        }
        else if (c == '2') {
            sB *= 2;
            sB++;
        }
        else if (c == 'U') {
            sB /= 2;
        }
        else if (c == 'L') {
            sB--;
        }
        else if (c == 'R') {
            sB++;
        }
	}
	if (sA < sB) {
        swap(sA, sB);
	}
	ll d = 0;
	for (int k = 62; k >= 0; k--) {
        if (sB&(1LL<<k)) {
            while (sA>=(1LL<<(k+1))) {
                sA>>=1;
                d++;
            }
            break;
        }
	}
	if (sA < sB) {
        swap(sA, sB);
	}
	ll res = (ll)(1e18);
	while (sA != sB) {
        res = min(res, sA-sB+d);
        sA >>= 1;
        sB >>= 1;
        d+=2;
	}
	res = min(res, sA-sB+d);
	cout << res << '\n';
	return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 0 / 10
• Subtask 6: 0 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10