QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #506220 | #6422. Evil Coordinate | Poknik | WA | 11ms | 3820kb | C++14 | 4.4kb | 2024-08-05 16:02:27 | 2024-08-05 16:02:27 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
using namespace std;
void solve()
{
int x,y;
cin>>x>>y;
string s;
cin>>s;
int R,L,U,D;
R = count(s.begin(), s.end(), 'R');
L = count(s.begin(), s.end(), 'L');
U = count(s.begin(), s.end(), 'U');
D = count(s.begin(), s.end(), 'D');
if(x==0&&y==0)cout<<"Impossible"<<endl;
//else if(R-L==x&&U-D==y)cout<<"Impossible"<<endl;
else{
if(x>0&&y>0){
int x1=-L;
int y1=-D;
if(R!=x-x1){
for(int i=0;i<L;i++)cout<<"L";
for(int i=0;i<D;i++)cout<<"D";
for(int i=0;i<R;i++){
cout<<"R";
}
for(int i=0;i<U;i++){
cout<<"U";
}
cout<<endl;
}
else if(U!=y-y1){
for(int i=0;i<L;i++)cout<<"L";
for(int i=0;i<D;i++)cout<<"D";
for(int i=0;i<U;i++){
cout<<"U";
}
for(int i=0;i<R;i++){
cout<<"R";
}
cout<<endl;
}
else cout<<"Impossible"<<endl;
}
else if(x<0&&y>0){
int x1=R;
int y1=-D;
if(L!=x1-x){
for(int i=0;i<R;i++){
cout<<"R";
}
for(int i=0;i<D;i++)cout<<"D";
for(int i=0;i<L;i++)cout<<"L";
for(int i=0;i<U;i++){
cout<<"U";
}
cout<<endl;
}
else if(U!=y-y1){
for(int i=0;i<R;i++){
cout<<"R";
}
for(int i=0;i<D;i++)cout<<"D";
for(int i=0;i<U;i++){
cout<<"U";
}
for(int i=0;i<L;i++)cout<<"L";
cout<<endl;
}
else cout<<"Impossible"<<endl;
}
else if(x<0&&y<0){
int x1=R;
int y1=U;
if(L!=x1-x){
for(int i=0;i<R;i++){
cout<<"R";
}
for(int i=0;i<U;i++){
cout<<"U";
}
for(int i=0;i<L;i++)cout<<"L";
for(int i=0;i<D;i++)cout<<"D";
cout<<endl;
}
else if(D!=y1-y){
for(int i=0;i<R;i++){
cout<<"R";
}
for(int i=0;i<U;i++){
cout<<"U";
}
for(int i=0;i<D;i++)cout<<"D";
for(int i=0;i<L;i++)cout<<"L";
cout<<endl;
}
else cout<<"Impossible"<<endl;
}
else if(x>0&&y<0){
int x1=-L;
int y1=U;
if(D!=y1-y){
for(int i=0;i<L;i++)cout<<"L";
for(int i=0;i<U;i++){
cout<<"U";
}
for(int i=0;i<D;i++)cout<<"D";
for(int i=0;i<R;i++){
cout<<"R";
}
cout<<endl;
}
else if(R!=x-x1){
for(int i=0;i<L;i++)cout<<"L";
for(int i=0;i<U;i++){
cout<<"U";
}
for(int i=0;i<R;i++){
cout<<"R";
}
for(int i=0;i<D;i++)cout<<"D";
cout<<endl;
}
else cout<<"Impossible"<<endl;
}
else{
if(x==0){
if(L!=R){
for(int i=0;i<L;i++)cout<<"L";
for(int i=0;i<R;i++){
cout<<"R";
}
for(int i=0;i<D;i++)cout<<"D";
for(int i=0;i<U;i++){
cout<<"U";
}
cout<<endl;}
else if(y>0){
if(U-D<y){
for(int i=0;i<L;i++)cout<<"L";
for(int i=0;i<R;i++){
cout<<"R";
}
for(int i=0;i<D;i++)cout<<"D";
for(int i=0;i<U;i++){
cout<<"U";
}
cout<<endl;
}
else cout<<"Impossible"<<endl;
}
else if(y<0){
if(U-D>y){
for(int i=0;i<L;i++)cout<<"L";
for(int i=0;i<R;i++){
cout<<"R";
}for(int i=0;i<U;i++){
cout<<"U";
}for(int i=0;i<D;i++)cout<<"D";
cout<<endl;
}
else cout<<"Impossible"<<endl;
}
else cout<<"Impossible"<<endl;
}
else if(y==0){
if(U!=D){
for(int i=0;i<D;i++)cout<<"D";
for(int i=0;i<U;i++){
cout<<"U";
}
for(int i=0;i<L;i++)cout<<"L";
for(int i=0;i<R;i++){
cout<<"R";
}
cout<<endl;
}
else if(x>0){
if(R-L<x){
for(int i=0;i<U;i++){
cout<<"U";
}for(int i=0;i<D;i++)cout<<"D";
for(int i=0;i<L;i++)cout<<"L";
for(int i=0;i<R;i++){
cout<<"R";
}
cout<<endl;
}
else cout<<"Impossible"<<endl;
}
else if(x<0){
if(L-R>x){
for(int i=0;i<U;i++){
cout<<"U";
}for(int i=0;i<D;i++)cout<<"D";
for(int i=0;i<R;i++){
cout<<"R";
}for(int i=0;i<L;i++)cout<<"L";
cout<<endl;
}
else cout<<"Impossible"<<endl;
}
else cout<<"Impossible"<<endl;
}
else cout<<"Impossible"<<endl;
}
}
}
signed main(){
std::ios::sync_with_stdio(false);
std::cin.tie(nullptr);
int t;
cin>>t;
while(t--)
solve();
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3548kb
input:
5 1 1 RURULLD 0 5 UUU 0 3 UUU 0 2 UUU 0 0 UUU
output:
LLDRRUU UUU Impossible Impossible Impossible
result:
ok 5 cases
Test #2:
score: -100
Wrong Answer
time: 11ms
memory: 3820kb
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 RRDUUUUUU RRRRDDL UD Impossible LLLLRRDD LLURRDDD Impossible DDDDUULLR LL Impossible LDUUURR Impossible Impossible Impossible LLLLLRRRDD Impossible RL Impossible Impossible Impossible Impossible Impossible LLLRRRRRUU ULLLD Impossible UUUDDDL UUDDRR RRRLLLL...
result:
wrong answer case 33, participant's output goes through forbidden coordinate