QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#642492 | #5414. Stop, Yesterday Please No More | q_zhs | AC ✓ | 191ms | 10264kb | C++17 | 1.3kb | 2024-10-15 14:33:54 | 2024-10-15 14:33:55 |
Judging History
answer
#include<iostream>
#include<cstring>
#include<cstdio>
#include<algorithm>
using namespace std;
const int N=1010;
int n,m,k;
string s;
int U,D,L,R,u,d,l,r;
bool vis[N][N];
int f[N][N];
void add(int x1,int y1,int x2,int y2)
{
f[x1][y1]++;
f[x2+1][y1]--;
f[x1][y2+1]--;
f[x2+1][y2+1]++;
}
void solve()
{
memset(f,0,sizeof f);
memset(vis,0,sizeof vis);
cin>>n>>m>>k>>s;
U=L=u=l=1;
R=r=m;
D=d=n;
for(int i=0;s[i];i++)
{
if(s[i]=='D')u--,d--;
else if(s[i]=='U')u++,d++;
else if(s[i]=='L')r++,l++;
else r--,l--;
L=max(L,l);
R=min(R,r);
U=max(U,u);
D=min(D,d);
}
if(L>R||U>D)
{
if(k)cout<<0<<endl;
else cout<<m*n<<endl;
return;
}
int delta=(D-U+1)*(R-L+1)-k;
if(delta<0)
{
cout<<0<<endl;
return;
}
add(U,L,D,R);
vis[L][U]=1;
for(int i=0;s[i];i++)
{
if(s[i]=='L')L--,R--;
else if(s[i]=='R')L++,R++;
else if(s[i]=='U')U--,D--;
else U++,D++;
if(vis[L][U])continue;
vis[L][U]=1;
add(U,L,D,R);
}
for(int i=1;i<=n;i++)
{
for(int j=1;j<=m;j++)
{
f[i][j]+=f[i-1][j]+f[i][j-1]-f[i-1][j-1];
}
}
int ans=0;
for(int i=1;i<=n;i++)
{
for(int j=1;j<=m;j++)
{
if(f[i][j]==delta)ans++;
}
}
cout<<ans<<endl;
}
int main()
{
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: 8600kb
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: 191ms
memory: 8616kb
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: 3ms
memory: 8656kb
input:
1 1000 1000 979065 DDUULULUDULLULLDLUULURRLDURLRDLRRUURUUUDLRLUUDUUDUDLLDDDULU
output:
958416
result:
ok 1 number(s): "958416"
Test #4:
score: 0
Accepted
time: 3ms
memory: 8604kb
input:
1 1000 1000 943471 LRLDLURLDLRDRDUULULRDDLLRURDUURLLDDLDLDDLLLUUURLDRUDRLLUUUUUDLUUDLURURRDLRLRRRLULRRULURLRRDLDRLUDRRLDDLUDRRLLUDLLLRDULRRRRLDUUDRDLULUUUUDRRDULUDLLUUDLDURDRRLRRLDRLDDRURURLUULRRLDLLRLRDRRUULDLDLULLDLLRULLRUULURDURRLUUDUULLULDLRUDDLRLRLLUDDDLLLUDRRLDDULRRURRDURDDRDLLULRLULURLRDLLURD...
output:
889224
result:
ok 1 number(s): "889224"
Test #5:
score: 0
Accepted
time: 24ms
memory: 10264kb
input:
1 1000 1000 315808 LLRURURRDDDULLDDUDRDLRLLLDDDLUDRDURLDULRLRULUUDLUULUUDULLLLDDURLDUULUUDLLDLLDRUDUULRLLRLRUURLRLULLDDLLDUDLLRUUDRLDLUULDLLDRRRURDULLDRRRDURURDRLDURURUDLURLDURRLRRUDUDURDRLRRRDLRRURLURUDRRLDLRULLDLUURDURLURLLRDLRDRUURURDRUDUUUDLRRLUDLUUDUDDRRDUULUUDDRLLULDUUDRURRDRLULRLULDURLURUDLLD...
output:
426
result:
ok 1 number(s): "426"
Test #6:
score: 0
Accepted
time: 3ms
memory: 8556kb
input:
1 1000 1000 986018 LLULDRRRDDURRUDRUURRRDDLUUDUULRULRDULLD
output:
972180
result:
ok 1 number(s): "972180"
Test #7:
score: 0
Accepted
time: 3ms
memory: 8664kb
input:
1 1000 1000 945431 DDRRURUUDLDULLDLDDLRULDLLDDRRLUDRLUURRLDRDLURUURRRRLRURLURULLLDRDDDRRRLDLDRLRDDUURRURDDDLRUURLUURLRDUDDDLLDUURLDLUDLLRRDUUDRLUULLUULDLURRUDLUURLRLRURDUDRRRDRLRUDLLLLURLULRLRLRRDDUDLRLDUUUULUDLLURRLURRDLRURRRULDDLLLRLRDLUDLLDDRULDUULRDDUUDDUDLURDULLDUDDLULRULDRLDDULDULLUDLULUDRURRR...
output:
893000
result:
ok 1 number(s): "893000"
Test #8:
score: 0
Accepted
time: 28ms
memory: 10200kb
input:
1 1000 1000 460035 RDDUURDULDDLDDLDDLDRRULLRLUURLURRRDRUDDDRDLDLDULUDLRLLRRLRRURRRDLRLUDRDURULDRRDDDDDDLRLDULUULDUDRLLUUUURUUDRURLRRULDRDRUUUUULULRURDDRLRULLLRDRRULUDDUDDLLLRDRUULUUDDRLURDLDURRDLRRLDRRUDLUULRDLURULLDLRLLDDURDUDLDULDLLRULRDLRLUULLUDRUDDDLRRDULULLRUURLUURRLLLLRLDRURLLRLDRRDDDRLUUUUDUL...
output:
417
result:
ok 1 number(s): "417"
Test #9:
score: 0
Accepted
time: 0ms
memory: 8536kb
input:
1 1000 1000 992010 LLLLLDLDRRLUDRR
output:
1999
result:
ok 1 number(s): "1999"
Test #10:
score: 0
Accepted
time: 3ms
memory: 8536kb
input:
1 1000 1000 919600 LLDLRUDRLURRUDRDRRDLRUDLRRRUUULDLDURDDDRUURRRLLURULDRLRLULLULDRULULRLRRRURLDDDRUUULUDLLLLRRLLRDDRDULUDLRLRLDRLUDUDURRULUULLDULUULDLLDRDULUDLDULDDUULDDRRURDRDULRRLDRRDUURURRLUUUDRRLDRRDDLULRDDLDLLRLRLLLRULUUUURRRLDLRUDRRLRURDRLDULLLUDRULLDLDRRUUDLRRLLRLDDLUDLRLRRURUUDUULUDURDURRLUU...
output:
944
result:
ok 1 number(s): "944"
Test #11:
score: 0
Accepted
time: 28ms
memory: 10240kb
input:
1 1000 1000 804351 DLRLDLLLLUDRDURRLDDRRLRUULURURDDDRDLRUDDULRRLLULURDRUUDRURRLURRRDRURRDRLULRDLRRDRRDDUDLUDLDULRUURRLRUUDRLDDRDDUUDULUULUUUDLRURULLRDUUDDDRRLDRUDDUUDRURLRDRUDLRLDDRRLLRLRDUDDULLULRLLDDUDDDUULDULLRRULULDUUULUDRRDRLUDLRRDDUDLRRDDLDLDRUULRRRRRLRLULLRDDRDDDULDRRURUDDLURLRLURLRDRULUDULUU...
output:
640000
result:
ok 1 number(s): "640000"