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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
#506068#6422. Evil CoordinateUmokWA 15ms3824kbC++203.0kb2024-08-05 15:02:012024-08-05 15:02:04

Judging History

你现在查看的是最新测评结果

  • [2024-08-05 15:02:04]
  • 评测
  • 测评结果:WA
  • 用时:15ms
  • 内存:3824kb
  • [2024-08-05 15:02:01]
  • 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 ar[N];
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 ((u - d > b && b > 0) || (u - d < b && b < 0))
        {
            cout << "Impossible" << endl;
            return;
        }
    }
    if (b == y && b == 0)
    {
        if ((r - l > a && a > 0) || (r - l < a && a < 0))
        {
            cout << "Impossible" << endl;
            return;
        }
    }

    if (a == x)
    {
        if (b > 0)
        {
            for (int i = 1; i <= d; i++)
                cout << "D";
            for (int i = 1; i <= u; i++)
                cout << "U";
        }
        else
        {
            for (int i = 1; i <= u; i++)
                cout << "U";
            for (int i = 1; i <= d; i++)
                cout << "D";
        }
        if (a > 0)
        {
            for (int i = 1; i <= r; i++)
                cout << "R";
            for (int i = 1; i <= l; i++)
                cout << "L";
        }
        else
        {
            for (int i = 1; i <= l; i++)
                cout << "L";
            for (int i = 1; i <= r; i++)
                cout << "R";
        }
    }
    else if (b == y)
    {

        if (a > 0)
        {
            for (int i = 1; i <= r; i++)
                cout << "R";
            for (int i = 1; i <= l; i++)
                cout << "L";
        }
        else
        {
            for (int i = 1; i <= l; i++)
                cout << "L";
            for (int i = 1; i <= r; i++)
                cout << "R";
        }
        if (b > 0)
        {
            for (int i = 1; i <= d; i++)
                cout << "D";
            for (int i = 1; i <= u; i++)
                cout << "U";
        }
        else
        {
            for (int i = 1; i <= u; i++)
                cout << "U";
            for (int i = 1; i <= d; i++)
                cout << "D";
        }
    }
    else
    {
        for (int i = 1; i <= l; i++)
            cout << "L";
        for (int i = 1; i <= r; i++)
            cout << "R";
        for (int i = 1; i <= u; i++)
            cout << "U";
        for (int i = 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: 3824kb

input:

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

output:

RRLLDUU
UUU
Impossible
Impossible
Impossible

result:

ok 5 cases

Test #2:

score: -100
Wrong Answer
time: 15ms
memory: 3808kb

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:

RRUUDD
RUU
Impossible
Impossible
Impossible
RRDUUUUUU
LRRRRDD
UD
Impossible
RRLLLLDD
RRLLUDDD
Impossible
UUDDDDLLR
LL
Impossible
DUUURRL
Impossible
Impossible
Impossible
LLLLLRRRDD
Impossible
LR
Impossible
Impossible
Impossible
Impossible
Impossible
LLLRRRRRUU
LLLUD
Impossible
LUUUDDD
UUDDRR
Impossi...

result:

wrong answer case 56, participant's output goes through forbidden coordinate