QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#190480 | #5414. Stop, Yesterday Please No More | tybbs# | AC ✓ | 104ms | 21636kb | C++14 | 1.8kb | 2023-09-28 22:50:20 | 2023-09-28 22:50:20 |
Judging History
answer
#include<bits/stdc++.h>
#define mp make_pair
using namespace std;
void solve(){
int n,m,k;cin>>n>>m>>k;
vector<vector<int> > d1(n+3),d2(n+3),sum(n+3);
map<pair<int,int>,bool> ck;
for(int i=0;i<=n+1;i++){
d1[i].resize(m+3);
d2[i].resize(m+3);
sum[i].resize(m+3);
}
string s;cin>>s;
int x1=1,y1=1,x2=n,y2=m;
int dx=0,dy=0;
for(int i=0;i<(int)s.size();i++){
if(s[i]=='U'){
x1--,x2--;
x1=max(x1,1),x2=max(x2,0);
}
if(s[i]=='D'){
x1++,x2++;
x1=min(x1,n+1),x2=min(x2,n);
}
if(s[i]=='R'){
y1++,y2++;
y1=min(y1,m+1),y2=min(y2,m);
}
if(s[i]=='L'){
y1--,y2--;
y1=max(y1,1),y2=max(y2,0);
}
}
for(int i=0;i<(int)s.size();i++){
if(s[i]=='U'){
x1++,x2++;
}
if(s[i]=='D'){
x1--,x2--;
}
if(s[i]=='R'){
y1--,y2--;
}
if(s[i]=='L'){
y1++,y2++;
}
}
for(int i=0;i<=(int)s.size();i++){
if(!ck[mp(dx,dy)] && x1<=x2 && y1<=y2){
ck[mp(dx,dy)]=1;
d1[x1][y1]++,d1[x1][y2+1]--;
d1[x2+1][y1]--,d1[x2+1][y2+1]++;
}
if(i==(int)s.size()) continue;
if(s[i]=='U'){
dx--;
x1--,x2--;
x1=max(x1,1),x2=max(x2,0);
}
if(s[i]=='D'){
dx++;
x1++,x2++;
x1=min(x1,n+1),x2=min(x2,n);
}
if(s[i]=='R'){
dy++;
y1++,y2++;
y1=min(y1,m+1),y2=min(y2,m);
}
if(s[i]=='L'){
dy--;
y1--,y2--;
y1=max(y1,1),y2=max(y2,0);
}
}
int rem=(x2-x1+1)*(y2-y1+1);
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
d2[i][j]=d2[i][j-1]+d1[i][j];
}
}
int cnt=0;
for(int i=1;i<=n;i++){
for(int j=1;j<=m;j++){
sum[i][j]=sum[i-1][j]+d2[i][j];
if(sum[i][j]+k==rem){
cnt++;
}
}
}
cout<<cnt<<"\n";
}
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
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: 3484kb
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: 3672kb
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: 15388kb
input:
1 1000 1000 979065 DDUULULUDULLULLDLUULURRLDURLRDLRRUURUUUDLRLUUDUUDUDLLDDDULU
output:
958416
result:
ok 1 number(s): "958416"
Test #4:
score: 0
Accepted
time: 0ms
memory: 15380kb
input:
1 1000 1000 943471 LRLDLURLDLRDRDUULULRDDLLRURDUURLLDDLDLDDLLLUUURLDRUDRLLUUUUUDLUUDLURURRDLRLRRRLULRRULURLRRDLDRLUDRRLDDLUDRRLLUDLLLRDULRRRRLDUUDRDLULUUUUDRRDULUDLLUUDLDURDRRLRRLDRLDDRURURLUULRRLDLLRLRDRRUULDLDLULLDLLRULLRUULURDURRLUUDUULLULDLRUDDLRLRLLUDDDLLLUDRRLDDULRRURRDURDDRDLLULRLULURLRDLLURD...
output:
889224
result:
ok 1 number(s): "889224"
Test #5:
score: 0
Accepted
time: 104ms
memory: 21636kb
input:
1 1000 1000 315808 LLRURURRDDDULLDDUDRDLRLLLDDDLUDRDURLDULRLRULUUDLUULUUDULLLLDDURLDUULUUDLLDLLDRUDUULRLLRLRUURLRLULLDDLLDUDLLRUUDRLDLUULDLLDRRRURDULLDRRRDURURDRLDURURUDLURLDURRLRRUDUDURDRLRRRDLRRURLURUDRRLDLRULLDLUURDURLURLLRDLRDRUURURDRUDUUUDLRRLUDLUUDUDDRRDUULUUDDRLLULDUUDRURRDRLULRLULDURLURUDLLD...
output:
426
result:
ok 1 number(s): "426"
Test #6:
score: 0
Accepted
time: 3ms
memory: 15420kb
input:
1 1000 1000 986018 LLULDRRRDDURRUDRUURRRDDLUUDUULRULRDULLD
output:
972180
result:
ok 1 number(s): "972180"
Test #7:
score: 0
Accepted
time: 7ms
memory: 15376kb
input:
1 1000 1000 945431 DDRRURUUDLDULLDLDDLRULDLLDDRRLUDRLUURRLDRDLURUURRRRLRURLURULLLDRDDDRRRLDLDRLRDDUURRURDDDLRUURLUURLRDUDDDLLDUURLDLUDLLRRDUUDRLUULLUULDLURRUDLUURLRLRURDUDRRRDRLRUDLLLLURLULRLRLRRDDUDLRLDUUUULUDLLURRLURRDLRURRRULDDLLLRLRDLUDLLDDRULDUULRDDUUDDUDLURDULLDUDDLULRULDRLDDULDULLUDLULUDRURRR...
output:
893000
result:
ok 1 number(s): "893000"
Test #8:
score: 0
Accepted
time: 91ms
memory: 18700kb
input:
1 1000 1000 460035 RDDUURDULDDLDDLDDLDRRULLRLUURLURRRDRUDDDRDLDLDULUDLRLLRRLRRURRRDLRLUDRDURULDRRDDDDDDLRLDULUULDUDRLLUUUURUUDRURLRRULDRDRUUUUULULRURDDRLRULLLRDRRULUDDUDDLLLRDRUULUUDDRLURDLDURRDLRRLDRRUDLUULRDLURULLDLRLLDDURDUDLDULDLLRULRDLRLUULLUDRUDDDLRRDULULLRUURLUURRLLLLRLDRURLLRLDRRDDDRLUUUUDUL...
output:
417
result:
ok 1 number(s): "417"
Test #9:
score: 0
Accepted
time: 0ms
memory: 15384kb
input:
1 1000 1000 992010 LLLLLDLDRRLUDRR
output:
1999
result:
ok 1 number(s): "1999"
Test #10:
score: 0
Accepted
time: 6ms
memory: 15448kb
input:
1 1000 1000 919600 LLDLRUDRLURRUDRDRRDLRUDLRRRUUULDLDURDDDRUURRRLLURULDRLRLULLULDRULULRLRRRURLDDDRUUULUDLLLLRRLLRDDRDULUDLRLRLDRLUDUDURRULUULLDULUULDLLDRDULUDLDULDDUULDDRRURDRDULRRLDRRDUURURRLUUUDRRLDRRDDLULRDDLDLLRLRLLLRULUUUURRRLDLRUDRRLRURDRLDULLLUDRULLDLDRRUUDLRRLLRLDDLUDLRLRRURUUDUULUDURDURRLUU...
output:
944
result:
ok 1 number(s): "944"
Test #11:
score: 0
Accepted
time: 77ms
memory: 16352kb
input:
1 1000 1000 804351 DLRLDLLLLUDRDURRLDDRRLRUULURURDDDRDLRUDDULRRLLULURDRUUDRURRLURRRDRURRDRLULRDLRRDRRDDUDLUDLDULRUURRLRUUDRLDDRDDUUDULUULUUUDLRURULLRDUUDDDRRLDRUDDUUDRURLRDRUDLRLDDRRLLRLRDUDDULLULRLLDDUDDDUULDULLRRULULDUUULUDRRDRLUDLRRDDUDLRRDDLDLDRUULRRRRRLRLULLRDDRDDDULDRRURUDDLURLRLURLRDRULUDULUU...
output:
640000
result:
ok 1 number(s): "640000"