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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#91622 | #5414. Stop, Yesterday Please No More | Wolam | AC ✓ | 22ms | 20252kb | C++14 | 1.5kb | 2023-03-29 10:18:22 | 2023-03-29 10:18:23 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
int sum[2005][2005],n,m,k,T;
char s[1000005];
int mxl,mxr,mxu,mxd;
int x,y;
void mov(char c)
{
if(c=='L')y++;
if(c=='R')y--;
if(c=='U')x++;
if(c=='D')x--;
}
signed main()
{
// ios::sync_with_stdio(0);
// cin.tie(0);cout.tie(0);
// cin>>T;
scanf("%d",&T);
while(T--)
{
scanf("%d%d%d%s",&n,&m,&k,s+1);
for(int i=0;i<=2*n+1;i++)
for(int j=0;j<=2*m+1;j++)
sum[i][j]=0;
int len=strlen(s+1);
x=n+1,y=m+1;
mxl=mxr=mxu=mxd=0;
sum[x][y]=1;
for(int i=1;i<=len;i++)
{
mov(s[i]);
if(x>=1&&x<=2*n+1&&y>=1&&y<=2*m+1)
{
sum[x][y]=1;
//cout<<x<<" "<<y<<endl;
}
mxr=max(mxr,m+1-y);
mxl=max(mxl,y-m-1);
mxd=max(mxd,n+1-x);
mxu=max(mxu,x-n-1);
}
//cerr<<mxl<<" "<<mxr<<" "<<mxu<<" "<<mxd<<endl;
for(int i=1;i<=2*n+1;i++)
{
for(int j=1;j<=2*m+1;j++)
{
sum[i][j]+=sum[i-1][j]+sum[i][j-1]-sum[i-1][j-1];
}
}
// cerr<<sum[2*n+1][2*m+1]<<endl;
if(mxr+mxl>=m||mxu+mxd>=n)
{
if(k==0)
printf("%d\n",n*m);
else printf("0\n");
continue;
}
int su=(n-mxu-mxd)*(m-mxl-mxr),ans=0;
for(int i=1;i<=n;i++)
for(int j=1;j<=m;j++)
{
int x,y,xx,yy;
x=n+2-i+mxu;y=m+2-j+mxl;
xx=x+n-mxd-mxu-1,yy=y+m-mxl-mxr-1;
// cerr<<x<<" "<<y<<" "<<xx<<" "<<yy<<" ";
int t=sum[xx][yy]-sum[x-1][yy]-sum[xx][y-1]+sum[x-1][y-1];
// cerr<<su<<" "<<t<<endl;
if(su-t==k)
{
// cerr<<i<<" "<<j<<endl;
ans++;
}
}
cout<<ans<<'\n';
}
}
/*
1
3 18 33
UDRLR
*/
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 2ms
memory: 3680kb
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: 7ms
memory: 7728kb
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: 6ms
memory: 19240kb
input:
1 1000 1000 979065 DDUULULUDULLULLDLUULURRLDURLRDLRRUURUUUDLRLUUDUUDUDLLDDDULU
output:
958416
result:
ok 1 number(s): "958416"
Test #4:
score: 0
Accepted
time: 13ms
memory: 19228kb
input:
1 1000 1000 943471 LRLDLURLDLRDRDUULULRDDLLRURDUURLLDDLDLDDLLLUUURLDRUDRLLUUUUUDLUUDLURURRDLRLRRRLULRRULURLRRDLDRLUDRRLDDLUDRRLLUDLLLRDULRRRRLDUUDRDLULUUUUDRRDULUDLLUUDLDURDRRLRRLDRLDDRURURLUULRRLDLLRLRDRRUULDLDLULLDLLRULLRUULURDURRLUUDUULLULDLRUDDLRLRLLUDDDLLLUDRRLDDULRRURRDURDDRDLLULRLULURLRDLLURD...
output:
889224
result:
ok 1 number(s): "889224"
Test #5:
score: 0
Accepted
time: 22ms
memory: 20180kb
input:
1 1000 1000 315808 LLRURURRDDDULLDDUDRDLRLLLDDDLUDRDURLDULRLRULUUDLUULUUDULLLLDDURLDUULUUDLLDLLDRUDUULRLLRLRUURLRLULLDDLLDUDLLRUUDRLDLUULDLLDRRRURDULLDRRRDURURDRLDURURUDLURLDURRLRRUDUDURDRLRRRDLRRURLURUDRRLDLRULLDLUURDURLURLLRDLRDRUURURDRUDUUUDLRRLUDLUUDUDDRRDUULUUDDRLLULDUUDRURRDRLULRLULDURLURUDLLD...
output:
426
result:
ok 1 number(s): "426"
Test #6:
score: 0
Accepted
time: 12ms
memory: 19864kb
input:
1 1000 1000 986018 LLULDRRRDDURRUDRUURRRDDLUUDUULRULRDULLD
output:
972180
result:
ok 1 number(s): "972180"
Test #7:
score: 0
Accepted
time: 8ms
memory: 19172kb
input:
1 1000 1000 945431 DDRRURUUDLDULLDLDDLRULDLLDDRRLUDRLUURRLDRDLURUURRRRLRURLURULLLDRDDDRRRLDLDRLRDDUURRURDDDLRUURLUURLRDUDDDLLDUURLDLUDLLRRDUUDRLUULLUULDLURRUDLUURLRLRURDUDRRRDRLRUDLLLLURLULRLRLRRDDUDLRLDUUUULUDLLURRLURRDLRURRRULDDLLLRLRDLUDLLDDRULDUULRDDUUDDUDLURDULLDUDDLULRULDRLDDULDULLUDLULUDRURRR...
output:
893000
result:
ok 1 number(s): "893000"
Test #8:
score: 0
Accepted
time: 17ms
memory: 20148kb
input:
1 1000 1000 460035 RDDUURDULDDLDDLDDLDRRULLRLUURLURRRDRUDDDRDLDLDULUDLRLLRRLRRURRRDLRLUDRDURULDRRDDDDDDLRLDULUULDUDRLLUUUURUUDRURLRRULDRDRUUUUULULRURDDRLRULLLRDRRULUDDUDDLLLRDRUULUUDDRLURDLDURRDLRRLDRRUDLUULRDLURULLDLRLLDDURDUDLDULDLLRULRDLRLUULLUDRUDDDLRRDULULLRUURLUURRLLLLRLDRURLLRLDRRDDDRLUUUUDUL...
output:
417
result:
ok 1 number(s): "417"
Test #9:
score: 0
Accepted
time: 3ms
memory: 19176kb
input:
1 1000 1000 992010 LLLLLDLDRRLUDRR
output:
1999
result:
ok 1 number(s): "1999"
Test #10:
score: 0
Accepted
time: 8ms
memory: 19276kb
input:
1 1000 1000 919600 LLDLRUDRLURRUDRDRRDLRUDLRRRUUULDLDURDDDRUURRRLLURULDRLRLULLULDRULULRLRRRURLDDDRUUULUDLLLLRRLLRDDRDULUDLRLRLDRLUDUDURRULUULLDULUULDLLDRDULUDLDULDDUULDDRRURDRDULRRLDRRDUURURRLUUUDRRLDRRDDLULRDDLDLLRLRLLLRULUUUURRRLDLRUDRRLRURDRLDULLLUDRULLDLDRRUUDLRRLLRLDDLUDLRLRRURUUDUULUDURDURRLUU...
output:
944
result:
ok 1 number(s): "944"
Test #11:
score: 0
Accepted
time: 17ms
memory: 20252kb
input:
1 1000 1000 804351 DLRLDLLLLUDRDURRLDDRRLRUULURURDDDRDLRUDDULRRLLULURDRUUDRURRLURRRDRURRDRLULRDLRRDRRDDUDLUDLDULRUURRLRUUDRLDDRDDUUDULUULUUUDLRURULLRDUUDDDRRLDRUDDUUDRURLRDRUDLRLDDRRLLRLRDUDDULLULRLLDDUDDDUULDULLRRULULDUUULUDRRDRLUDLRRDDUDLRRDDLDLDRUULRRRRRLRLULLRDDRDDDULDRRURUDDLURLRLURLRDRULUDULUU...
output:
640000
result:
ok 1 number(s): "640000"