QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#790093 | #5414. Stop, Yesterday Please No More | ucup-team3646 | AC ✓ | 34ms | 35620kb | C++20 | 2.7kb | 2024-11-28 00:52:14 | 2024-11-28 00:52:17 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, n) for (ll i = 0; i < n; i++)
#define rep2(i, l, r) for (ll i = l; i < r; i++)
using vi = vector<int>;
using vvi = vector<vi>;
using vll = vector<ll>;
#define all(A) A.begin(), A.end()
#define elif else if
using pii = pair<ll, ll>;
bool chmin(auto &a, const auto &b) { return a > b ? a = b, 1 : 0; }
bool chmax(auto &a, const auto &b) { return a < b ? a = b, 1 : 0; }
struct IOSetup {
IOSetup() {
cin.tie(0);
ios::sync_with_stdio(0);
}
} iosetup;
template <class T>
void print(vector<T> a) {
for (auto x : a) cerr << x << ' ';
cout << endl;
}
void print(auto x) { cout << x << endl; }
template <class Head, class... Tail>
void print(Head &&head, Tail &&...tail) {
cout << head << ' ';
print(forward<Tail>(tail)...);
}
ll n,k,m,c,d;
vll a;
void solve(){
int h,w,k;
cin>>h>>w>>k;
string s;
cin>>s;
int n=s.size();
int Lx=0,Rx=h-1,Ly=0,Ry=w-1,DX=0,DY=0;
int mxDx=0,mnDx=0,mnDy=0,mxDy=0;
rep(i,n){
if(s[i]=='U'){
Lx--;
Rx--;
Lx=max(Lx,0);
Rx=max(Rx,0);
DX--;
}
if(s[i]=='D'){
Lx++;
Rx++;
Lx=min(Lx,h-1);
Rx=min(Rx,h-1);
DX++;
}
if(s[i]=='L'){
Ly--;
Ry--;
Ly=max(Ly,0);
Ry=max(Ry,0);
DY--;
}
if(s[i]=='R'){
Ly++;
Ry++;
Ly=min(Ly,w-1);
Ry=min(Ry,w-1);
DY++;
}
mnDx=min(mnDx,DX);
mxDx=max(mxDx,DX);
mnDy=min(mnDy,DY);
mxDy=max(mxDy,DY);
}
Lx=-mnDx;
Rx=h-1-mxDx;
Ly=-mnDy;
Ry=w-1-mxDy;
// Lx-=DX;
// Rx-=DX;
// Ly-=DY;
// Ry-=DY;
// Lx=max(0,Lx);
// Rx=min(h-1,Rx);
// Ly=max(0,Ly);
// Ry=min(w-1,Ry);
// print(Lx,Rx,Ly,Ry);
if(Lx>Rx||Ly>Ry){
int ans=0;
if(k==0)ans=h*w;
cout<<ans<<"\n";
return;
}
// 生き残る可能性があるのは [Lx,Rx] x [Ly,Ry]
vvi A(2*h,vi(2*w,1));
int nowx=h;
int nowy=w;
A[nowx][nowy]=0;
rep(i,n){
if(s[i]=='U')nowx++;
if(s[i]=='D')nowx--;
if(s[i]=='L')nowy++;
if(s[i]=='R')nowy--;
if(0<=nowx&&nowx<2*h&&0<=nowy&&nowy<2*w)A[nowx][nowy]=0;
}
vvi cum(2*h+1,vi(2*w+1,0));
rep(i,2*h)rep(j,2*w){
cum[i+1][j+1]=A[i][j]+cum[i+1][j];
}
rep(j,2*w)rep(i,2*h){
cum[i+1][j+1]+=cum[i][j+1];
}
// rep(i,2*h)print(A[i]);
int ans=0;
rep(x,h)rep(y,w){
int lx=h-x+Lx;
int rx=h-x+Rx;
int ly=w-y+Ly;
int ry=w-y+Ry;
if(cum[rx+1][ry+1]-cum[rx+1][ly]-cum[lx][ry+1]+cum[lx][ly]==k){
ans++;
// print(x,y,lx,rx,ly,ry);
}
}
cout<<ans<<endl;
}
int main(){
int T;
cin>>T;
rep(i,T)solve();
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3584kb
input:
3 4 5 3 ULDDRR 4 5 0 UUUUUUU 4 5 10 UUUUUUU
output:
2 20 0
result:
ok 3 number(s): "2 20 0"
Test #2:
score: 0
Accepted
time: 8ms
memory: 4260kb
input:
1060 19 12 0 UDLDDUUUUDDDLLRDUDUURULUUUDRDUDRDRLRLRLULULLLDLDDRLUUUURUUUDDRLLRUUUDULURUULLRDRLRDDURDUUURRRLURLRUULRRUDURDLUUURDLURDDLUUURDDRLLURRDLRUDLRDRLLRRDRDDLDRURRRLUDULLLRUUDLRRURRDLLRRRDLLRDDDLRLRURURDDDL 11 1 0 UR 3 18 33 UDRLR 17 11 132 RLDRDLDRUU 6 10 13 UULUDDLRDLUUDLDD 1 15 0 D 6 20 50 D...
output:
228 11 20 99 18 15 34 240 15 0 0 13 14 18 26 16 1 19 108 8 2 2 3 7 0 30 16 21 0 8 10 9 15 5 320 11 7 3 0 0 12 0 11 0 0 14 0 22 36 51 23 7 6 4 2 48 28 8 63 22 49 13 10 4 108 10 18 44 0 15 9 0 4 30 14 99 105 10 14 17 0 66 10 11 28 52 34 56 33 14 56 90 14 0 121 3 48 30 36 13 0 30 7 8 3 11 16 45 20 34 0...
result:
ok 1060 numbers
Test #3:
score: 0
Accepted
time: 16ms
memory: 34500kb
input:
1 1000 1000 979065 DDUULULUDULLULLDLUULURRLDURLRDLRRUURUUUDLRLUUDUUDUDLLDDDULU
output:
958416
result:
ok 1 number(s): "958416"
Test #4:
score: 0
Accepted
time: 16ms
memory: 34612kb
input:
1 1000 1000 943471 LRLDLURLDLRDRDUULULRDDLLRURDUURLLDDLDLDDLLLUUURLDRUDRLLUUUUUDLUUDLURURRDLRLRRRLULRRULURLRRDLDRLUDRRLDDLUDRRLLUDLLLRDULRRRRLDUUDRDLULUUUUDRRDULUDLLUUDLDURDRRLRRLDRLDDRURURLUULRRLDLLRLRDRRUULDLDLULLDLLRULLRUULURDURRLUUDUULLULDLRUDDLRLRLLUDDDLLLUDRRLDDULRRURRDURDDRDLLULRLULURLRDLLURD...
output:
889224
result:
ok 1 number(s): "889224"
Test #5:
score: 0
Accepted
time: 34ms
memory: 35616kb
input:
1 1000 1000 315808 LLRURURRDDDULLDDUDRDLRLLLDDDLUDRDURLDULRLRULUUDLUULUUDULLLLDDURLDUULUUDLLDLLDRUDUULRLLRLRUURLRLULLDDLLDUDLLRUUDRLDLUULDLLDRRRURDULLDRRRDURURDRLDURURUDLURLDURRLRRUDUDURDRLRRRDLRRURLURUDRRLDLRULLDLUURDURLURLLRDLRDRUURURDRUDUUUDLRRLUDLUUDUDDRRDUULUUDDRLLULDUUDRURRDRLULRLULDURLURUDLLD...
output:
426
result:
ok 1 number(s): "426"
Test #6:
score: 0
Accepted
time: 23ms
memory: 34672kb
input:
1 1000 1000 986018 LLULDRRRDDURRUDRUURRRDDLUUDUULRULRDULLD
output:
972180
result:
ok 1 number(s): "972180"
Test #7:
score: 0
Accepted
time: 15ms
memory: 34540kb
input:
1 1000 1000 945431 DDRRURUUDLDULLDLDDLRULDLLDDRRLUDRLUURRLDRDLURUURRRRLRURLURULLLDRDDDRRRLDLDRLRDDUURRURDDDLRUURLUURLRDUDDDLLDUURLDLUDLLRRDUUDRLUULLUULDLURRUDLUURLRLRURDUDRRRDRLRUDLLLLURLULRLRLRRDDUDLRLDUUUULUDLLURRLURRDLRURRRULDDLLLRLRDLUDLLDDRULDUULRDDUUDDUDLURDULLDUDDLULRULDRLDDULDULLUDLULUDRURRR...
output:
893000
result:
ok 1 number(s): "893000"
Test #8:
score: 0
Accepted
time: 26ms
memory: 35620kb
input:
1 1000 1000 460035 RDDUURDULDDLDDLDDLDRRULLRLUURLURRRDRUDDDRDLDLDULUDLRLLRRLRRURRRDLRLUDRDURULDRRDDDDDDLRLDULUULDUDRLLUUUURUUDRURLRRULDRDRUUUUULULRURDDRLRULLLRDRRULUDDUDDLLLRDRUULUUDDRLURDLDURRDLRRLDRRUDLUULRDLURULLDLRLLDDURDUDLDULDLLRULRDLRLUULLUDRUDDDLRRDULULLRUURLUURRLLLLRLDRURLLRLDRRDDDRLUUUUDUL...
output:
417
result:
ok 1 number(s): "417"
Test #9:
score: 0
Accepted
time: 16ms
memory: 34472kb
input:
1 1000 1000 992010 LLLLLDLDRRLUDRR
output:
1999
result:
ok 1 number(s): "1999"
Test #10:
score: 0
Accepted
time: 14ms
memory: 34516kb
input:
1 1000 1000 919600 LLDLRUDRLURRUDRDRRDLRUDLRRRUUULDLDURDDDRUURRRLLURULDRLRLULLULDRULULRLRRRURLDDDRUUULUDLLLLRRLLRDDRDULUDLRLRLDRLUDUDURRULUULLDULUULDLLDRDULUDLDULDDUULDDRRURDRDULRRLDRRDUURURRLUUUDRRLDRRDDLULRDDLDLLRLRLLLRULUUUURRRLDLRUDRRLRURDRLDULLLUDRULLDLDRRUUDLRRLLRLDDLUDLRLRRURUUDUULUDURDURRLUU...
output:
944
result:
ok 1 number(s): "944"
Test #11:
score: 0
Accepted
time: 33ms
memory: 35516kb
input:
1 1000 1000 804351 DLRLDLLLLUDRDURRLDDRRLRUULURURDDDRDLRUDDULRRLLULURDRUUDRURRLURRRDRURRDRLULRDLRRDRRDDUDLUDLDULRUURRLRUUDRLDDRDDUUDULUULUUUDLRURULLRDUUDDDRRLDRUDDUUDRURLRDRUDLRLDDRRLLRLRDUDDULLULRLLDDUDDDUULDULLRRULULDUUULUDRRDRLUDLRRDDUDLRRDDLDLDRUULRRRRRLRLULLRDDRDDDULDRRURUDDLURLRLURLRDRULUDULUU...
output:
640000
result:
ok 1 number(s): "640000"