QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#253985 | #6699. Wandering Robot | Lionel_ZQY# | AC ✓ | 14ms | 6936kb | C++20 | 636b | 2023-11-17 21:28:15 | 2023-11-17 21:28:15 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
void solve(){
i64 n,k;
cin>>n>>k;
string s;
cin>>s;
s=" "+s;
i64 ans=0;
i64 x=0,y=0;
vector<array<i64,2>> p;
p.push_back({0,0});
for(int i=1;i<=n;i++){
if(s[i]=='U') y++;
if(s[i]=='D') y--;
if(s[i]=='L') x++;
if(s[i]=='R') x--;
p.push_back({x,y});
}
k--;
for(int i=0;i<=n;i++){
auto [a,b]=p[i];
ans=max({ans,abs(a)+abs(b),abs(a+x*k)+abs(b+y*k)});
}
cout<<ans<<'\n';
}
int main(){
ios::sync_with_stdio(false);
cin.tie(0),cout.tie(0);
int t;
cin>>t;
while(t--){
solve();
}
return 0;
}
这程序好像有点Bug,我给组数据试试?
Details
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Test #1:
score: 100
Accepted
time: 1ms
memory: 3480kb
input:
2 3 3 RUL 1 1000000000 D
output:
4 1000000000
result:
ok 2 number(s): "4 1000000000"
Test #2:
score: 0
Accepted
time: 14ms
memory: 6936kb
input:
10307 33 374631889 RUDUUDLDDUULULDRDDRRRRDDDLRURULDL 9 40711970 UUDLRDRDD 3 111498848 LRL 14 804199874 LRRLLRULRUURUU 44 936610223 ULDRUULRRDLRRLRLRLRDUDDUDDUUDDLRUUDRUURLULUD 15 669124042 RUULRLDDULUDRDR 47 500758328 LRULULLLLUDURLRRDLDDLUUDURUDDLLLLDRLULURDULRDLU 18 581526184 DLLUDUUULUDULULRLR 47...
output:
1873159447 122135910 111498848 4825199244 3746440893 669124044 5508341608 4652209473 5606278385 8301130033 3707957881 2821884978 463006533 1581485530 881213211 236693627 816980016 4406947601 1057578188 1455154265 4107693543 5705944723 3424946932 1154164548 4496114815 3733695266 6323077602 2262619671...
result:
ok 10307 numbers