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QOJ
| 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 |
|---|---|---|---|---|---|---|---|---|---|
| #691454 | #6422. Evil Coordinate | yzj123# | WA | 11ms | 3824kb | C++20 | 3.1kb | 2024-10-31 11:30:32 | 2024-10-31 11:30:34 |
Judging History
answer
#include<bits/stdc++.h>
using i64 = long long;
const int inf = 2e9;
void solve() {
int x, y;
std::cin >> x >> y;
std::string s, t = "Impossible\n";
std::cin >> s;
int a = 0, b = 0;
std::vector<int> w(4);
for (auto c : s) {
if (c == 'L') w[0] ++;
if (c == 'R') w[1] ++;
if (c == 'U') w[2] ++;
if (c == 'D') w[3] ++;
}
b = (w[2] - w[3]), a = (w[1] - w[0]);
if (x == 0 && y == 0) {
std::cout << t;
return ;
}
if (w[0] == 0 && w[1] == 0) {
if (y >= std::min(0, b) && y <= std::max(0, b)) {
std::cout << t;
} else {
if (y > 0) {
for (int i = 0; i < w[3]; i ++) {
std::cout << 'D';
}
for (int i = 0; i < w[2]; i ++) {
std::cout << 'U';
}
std::cout << '\n';
} else {
for (int i = 0; i < w[2]; i ++) {
std::cout << 'U';
}
for (int i = 0; i < w[3]; i ++) {
std::cout << 'D';
}
std::cout << '\n';
}
}
return ;
} else if (w[2] == 0 && w[3] == 0) {
if (x >= std::min(0, a) && x <= std::max(0, a)) {
std::cout << t;
} else {
if (x > 0) {
for (int i = 0; i < w[0]; i ++) {
std::cout << 'L';
}
for (int i = 0; i < w[1]; i ++) {
std::cout << 'R';
}
std::cout << '\n';
} else {
for (int i = 0; i < w[1]; i ++) {
std::cout << 'R';
}
for (int i = 0; i < w[0]; i ++) {
std::cout << 'L';
}
std::cout << '\n';
}
}
return ;
}
if (x == a && y == b) {
std::cout << t;
return ;
}
if (x == a || y == 0) {
for (int i = 0; i < w[2]; i ++) {
std::cout << 'U';
}
for (int i = 0; i < w[3]; i ++) {
std::cout << 'D';
}
for (int i = 0; i < w[1]; i ++) {
std::cout << 'R';
}
for (int i = 0; i < w[0]; i ++) {
std::cout << 'L';
}
std::cout << '\n';
} else {
for (int i = 0; i < w[1]; i ++) {
std::cout << 'R';
}
for (int i = 0; i < w[0]; i ++) {
std::cout << 'L';
}
for (int i = 0; i < w[2]; i ++) {
std::cout << 'U';
}
for (int i = 0; i < w[3]; i ++) {
std::cout << 'D';
}
std::cout << '\n';
}
}
int main() {
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
int t = 1;
std::cin >> t;
while (t --) {
solve();
}
return 0;
}
/*
5
1 1
RURULLD
0 5
UUU
0 3
UUU
0 2
UUU
0 0
UUU
*/
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3468kb
input:
5 1 1 RURULLD 0 5 UUU 0 3 UUU 0 2 UUU 0 0 UUU
output:
RRLLUUD UUU Impossible Impossible Impossible
result:
ok 5 cases
Test #2:
score: -100
Wrong Answer
time: 11ms
memory: 3824kb
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:
UUDDRR UUR Impossible Impossible Impossible RRUUUUUUD RRRRLDD Impossible Impossible RRLLLLDD RRLLUDDD Impossible UUDDDDRLL LL Impossible UUUDRRL Impossible Impossible Impossible RRRLLLLLDD Impossible RL Impossible Impossible Impossible Impossible Impossible RRRRRLLLUU LLLUD Impossible UUUDDDL UUDDRR...
result:
wrong answer case 8, participant does not find an answer but the jury does