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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#661996 | #5414. Stop, Yesterday Please No More | Darkmaster | AC ✓ | 16ms | 36032kb | C++14 | 2.4kb | 2024-10-20 19:53:39 | 2024-10-20 19:54:15 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
const int N = 1e3 + 10, INF = 1e9, base = 1010;
int n, m, k, flag[2 * N][2 * N], sum[2 * N][2 * N];
string s;
void solve(){
cin >> n >> m >> k;
for(int i = - n - 1; i <= n; i ++)
for(int j = - m - 1; j <= m; j ++)
flag[i + base][j + base] = sum[i + base][j + base] = 0;
flag[base][base] = 1;
cin >> s;
int len = s.size();
int x = 0, y = 0, minx = 0, miny = 0, maxx = 0, maxy = 0;
for(int i = 0; i < len; i ++){
if(s[i] == 'U') x --;
if(s[i] == 'D') x ++;
if(s[i] == 'L') y --;
if(s[i] == 'R') y ++;
flag[x + base][y + base] = 1;
minx = min(minx, x);
miny = min(miny, y);
maxx = max(maxx, x);
maxy = max(maxy, y);
}
int DX1 = - minx + 1, DX2 = n - maxx, DY1 = - miny + 1, DY2 = m - maxy;
// cout << minx << ' ' << maxx << ' ' << miny << ' ' << maxy << '\n';
if(DX1 > DX2 || DY1 > DY2){
if(k == 0) cout << n * m << '\n';
else cout << 0 << '\n';
return;
}
// printf("%d %d %d %d\n", DX1, DX2, DY1, DY2);
for(int i = - n + base; i <= n + base; i ++)
for(int j = - m + base; j <= m + base; j ++)
sum[i][j] = sum[i - 1][j] + sum[i][j - 1] - sum[i - 1][j - 1] + flag[i][j];
int ans = 0;
// for(int i = -n; i <= n; i ++){
// for(int j = -m; j <= m; j ++){
// cout << flag[i + base][j + base] << ' ';
// }
// cout << '\n';
// }
// cout << '\n';
// for(int i = -n; i <= n; i ++){
// for(int j = -m; j <= m; j ++){
// cout << sum[i + base][j + base] << ' ';
// }
// cout << '\n';
// }
for(int i = 1; i <= n; i ++)
for(int j = 1; j <= m; j ++){
int x = i - DX1 + base, y = j - DY1 + base, xx = i - DX2 + base, yy = j - DY2 + base;
if((DX2 - DX1 + 1) * (DY2 - DY1 + 1) - (sum[x][y] - sum[xx - 1][y] - sum[x][yy - 1] + sum[xx - 1][yy - 1]) == k){
// cout << x << ' ' << y << ' ' << xx << ' ' << yy << '\n';
ans ++;
// cout << i << ' ' << j << '\n';
// cout << x - base << ' ' << y - base << ' ' << xx - base << ' ' << yy - base << '\n';
// cout << i << ' ' << j << '\n';
}
}
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;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 7712kb
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: 5ms
memory: 11816kb
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: 8ms
memory: 35400kb
input:
1 1000 1000 979065 DDUULULUDULLULLDLUULURRLDURLRDLRRUURUUUDLRLUUDUUDUDLLDDDULU
output:
958416
result:
ok 1 number(s): "958416"
Test #4:
score: 0
Accepted
time: 3ms
memory: 35348kb
input:
1 1000 1000 943471 LRLDLURLDLRDRDUULULRDDLLRURDUURLLDDLDLDDLLLUUURLDRUDRLLUUUUUDLUUDLURURRDLRLRRRLULRRULURLRRDLDRLUDRRLDDLUDRRLLUDLLLRDULRRRRLDUUDRDLULUUUUDRRDULUDLLUUDLDURDRRLRRLDRLDDRURURLUULRRLDLLRLRDRRUULDLDLULLDLLRULLRUULURDURRLUUDUULLULDLRUDDLRLRLLUDDDLLLUDRRLDDULRRURRDURDDRDLLULRLULURLRDLLURD...
output:
889224
result:
ok 1 number(s): "889224"
Test #5:
score: 0
Accepted
time: 16ms
memory: 35996kb
input:
1 1000 1000 315808 LLRURURRDDDULLDDUDRDLRLLLDDDLUDRDURLDULRLRULUUDLUULUUDULLLLDDURLDUULUUDLLDLLDRUDUULRLLRLRUURLRLULLDDLLDUDLLRUUDRLDLUULDLLDRRRURDULLDRRRDURURDRLDURURUDLURLDURRLRRUDUDURDRLRRRDLRRURLURUDRRLDLRULLDLUURDURLURLLRDLRDRUURURDRUDUUUDLRRLUDLUUDUDDRRDUULUUDDRLLULDUUDRURRDRLULRLULDURLURUDLLD...
output:
426
result:
ok 1 number(s): "426"
Test #6:
score: 0
Accepted
time: 8ms
memory: 35428kb
input:
1 1000 1000 986018 LLULDRRRDDURRUDRUURRRDDLUUDUULRULRDULLD
output:
972180
result:
ok 1 number(s): "972180"
Test #7:
score: 0
Accepted
time: 4ms
memory: 35408kb
input:
1 1000 1000 945431 DDRRURUUDLDULLDLDDLRULDLLDDRRLUDRLUURRLDRDLURUURRRRLRURLURULLLDRDDDRRRLDLDRLRDDUURRURDDDLRUURLUURLRDUDDDLLDUURLDLUDLLRRDUUDRLUULLUULDLURRUDLUURLRLRURDUDRRRDRLRUDLLLLURLULRLRLRRDDUDLRLDUUUULUDLLURRLURRDLRURRRULDDLLLRLRDLUDLLDDRULDUULRDDUUDDUDLURDULLDUDDLULRULDRLDDULDULLUDLULUDRURRR...
output:
893000
result:
ok 1 number(s): "893000"
Test #8:
score: 0
Accepted
time: 12ms
memory: 36032kb
input:
1 1000 1000 460035 RDDUURDULDDLDDLDDLDRRULLRLUURLURRRDRUDDDRDLDLDULUDLRLLRRLRRURRRDLRLUDRDURULDRRDDDDDDLRLDULUULDUDRLLUUUURUUDRURLRRULDRDRUUUUULULRURDDRLRULLLRDRRULUDDUDDLLLRDRUULUUDDRLURDLDURRDLRRLDRRUDLUULRDLURULLDLRLLDDURDUDLDULDLLRULRDLRLUULLUDRUDDDLRRDULULLRUURLUURRLLLLRLDRURLLRLDRRDDDRLUUUUDUL...
output:
417
result:
ok 1 number(s): "417"
Test #9:
score: 0
Accepted
time: 7ms
memory: 35348kb
input:
1 1000 1000 992010 LLLLLDLDRRLUDRR
output:
1999
result:
ok 1 number(s): "1999"
Test #10:
score: 0
Accepted
time: 10ms
memory: 35472kb
input:
1 1000 1000 919600 LLDLRUDRLURRUDRDRRDLRUDLRRRUUULDLDURDDDRUURRRLLURULDRLRLULLULDRULULRLRRRURLDDDRUUULUDLLLLRRLLRDDRDULUDLRLRLDRLUDUDURRULUULLDULUULDLLDRDULUDLDULDDUULDDRRURDRDULRRLDRRDUURURRLUUUDRRLDRRDDLULRDDLDLLRLRLLLRULUUUURRRLDLRUDRRLRURDRLDULLLUDRULLDLDRRUUDLRRLLRLDDLUDLRLRRURUUDUULUDURDURRLUU...
output:
944
result:
ok 1 number(s): "944"
Test #11:
score: 0
Accepted
time: 12ms
memory: 35956kb
input:
1 1000 1000 804351 DLRLDLLLLUDRDURRLDDRRLRUULURURDDDRDLRUDDULRRLLULURDRUUDRURRLURRRDRURRDRLULRDLRRDRRDDUDLUDLDULRUURRLRUUDRLDDRDDUUDULUULUUUDLRURULLRDUUDDDRRLDRUDDUUDRURLRDRUDLRLDDRRLLRLRDUDDULLULRLLDDUDDDUULDULLRRULULDUUULUDRRDRLUDLRRDDUDLRRDDLDLDRUULRRRRRLRLULLRDDRDDDULDRRURUDDLURLRLURLRDRULUDULUU...
output:
640000
result:
ok 1 number(s): "640000"