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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#506166#6422. Evil CoordinateUmokWA 12ms3976kbC++203.9kb2024-08-05 15:46:512024-08-05 15:46:51

Judging History

你现在查看的是最新测评结果

  • [2024-08-05 15:46:51]
  • 评测
  • 测评结果:WA
  • 用时:12ms
  • 内存:3976kb
  • [2024-08-05 15:46:51]
  • 提交

answer

#include <bits/stdc++.h>
using namespace std;
#define IOS ios::sync_with_stdio(0), cin.tie(0), cout.tie(0)
#define endl '\n'
const int N = 2e5 + 5;
#define int long long
typedef pair<int, int> PII;
#define MAX LONG_LONG_MAX
#define mod 10007
#define eps 1e-7
int l, r, d, u, a, b;
void solve()
{
    l = d = r = u = 0;
    string s;
    cin >> a >> b;
    cin >> s;

    for (char c : s)
    {
        if (c == 'L')
            l++;
        else if (c == 'R')
            r++;
        else if (c == 'U')
            u++;
        else
            d++;
    }
    int x = r - l, y = u - d;
    if (x == a && y == b || a == 0 && b == 0)
    {
        cout << "Impossible" << endl;
        return;
    }

    if (x == a && a == 0)
    {
        if ((y >= b && b > 0) || (y <= b && b < 0))
        {
            cout << "Impossible" << endl;
            return;
        }
    }
    else if (b == y && b == 0)
    {
        if ((x >= a && a > 0) || (x <= a && a < 0))
        {
            cout << "Impossible" << endl;
            return;
        }
    }
    if (a == 0)
    {
        if (u)
        {
            cout << "U";
            u--;
        }
        else if (d)
        {
            cout << "D";
            d--;
        }
    }
    else if(b)
    {
        if(l)
        {
            cout << "L";
            l--;
        }else if(r)
        {
            cout << "R";
            r--;
        }
    }

    if (a == x)
    {
        if (b > 0)
        {
            for (int i = 1; i <= min(d, u); i++)
                cout << "DU";
            for (int i = min(d, u) + 1; i <= d; i++)
                cout << "D";
            for (int i = min(d, u) + 1; i <= u; i++)
                cout << "U";
        }
        else
        {
            for (int i = 1; i <= min(d, u); i++)
                cout << "UD";
            for (int i = min(d, u) + 1; i <= u; i++)
                cout << "U";
            for (int i = min(d, u) + 1; i <= d; i++)
                cout << "D";
        }
        if (a > 0)
        {
            for (int i = 1; i <= min(l, r); i++)
                cout << "LR";
            for (int i = min(l, r) + 1; i <= l; i++)
                cout << "L";
            for (int i = min(l, r) + 1; i <= r; i++)
                cout << "R";
        }
        else
        {
            for (int i = 1; i <= min(l, r); i++)
                cout << "RL";
            for (int i = min(l, r) + 1; i <= r; i++)
                cout << "R";
            for (int i = min(l, r) + 1; i <= l; i++)
                cout << "L";
        }
    }
    else
    {
        if (a > 0)
        {
            for (int i = 1; i <= min(l, r); i++)
                cout << "LR";
            for (int i = min(l, r) + 1; i <= l; i++)
                cout << "L";
            for (int i = min(l, r) + 1; i <= r; i++)
                cout << "R";
        }
        else
        {
            for (int i = 1; i <= min(l, r); i++)
                cout << "RL";
            for (int i = min(l, r) + 1; i <= r; i++)
                cout << "R";
            for (int i = min(l, r) + 1; i <= l; i++)
                cout << "L";
        }
        if (b > 0)
        {
            for (int i = 1; i <= min(d, u); i++)
                cout << "DU";
            for (int i = min(d, u) + 1; i <= d; i++)
                cout << "D";
            for (int i = min(d, u) + 1; i <= u; i++)
                cout << "U";
        }
        else
        {
            for (int i = 1; i <= min(d, u); i++)
                cout << "UD";
            for (int i = min(d, u) + 1; i <= u; i++)
                cout << "U";
            for (int i = min(d, u) + 1; i <= d; i++)
                cout << "D";
        }
    }
    cout << endl;
}

signed main()
{
    IOS;
    int t;
    cin >> t;
    while (t--)
        solve();

    return 0;
}

詳細信息

Test #1:

score: 100
Accepted
time: 0ms
memory: 3596kb

input:

5
1 1
RURULLD
0 5
UUU
0 3
UUU
0 2
UUU
0 0
UUU

output:

LLRRDUU
UUU
Impossible
Impossible
Impossible

result:

ok 5 cases

Test #2:

score: -100
Wrong Answer
time: 12ms
memory: 3976kb

input:

11109
6 0
RUDUDR
2 0
URU
0 0
UDRU
0 0
R
-1 1
LDUUDDRUUL
-1 5
RRUUUDUUU
-8 4
RRDRLDR
2 0
UD
0 0
UUDD
3 -2
LDDLLLRR
3 -2
LDRURLDD
1 0
RRL
-1 0
DUDDLLRDU
-4 0
LL
-1 -1
DLRLDLUDUR
1 4
URDULUR
0 0
DDUUDUDDDD
0 2
UU
1 0
RRULD
0 -2
LDLRLLDRRL
0 1
RLRLLRLUR
-3 0
RL
0 0
D
0 0
L
0 0
DDLRRUDRUD
0 0
DULU
2 0
RR...

output:

RRUDUD
RUU
Impossible
Impossible
Impossible
RRDUUUUUU
LRRRRDD
UD
Impossible
LLRLRLDD
LLRRUDDD
Impossible
UDUDDDRLL
LL
Impossible
LDUUURR
Impossible
Impossible
Impossible
DRLRLRLLLD
Impossible
RL
Impossible
Impossible
Impossible
Impossible
Impossible
URLRLRLRRU
LLLUD
Impossible
LUDUDUD
RUDUDR
Impossi...

result:

wrong answer case 57, participant's output goes through forbidden coordinate