| Task: | Ruudukko |
| Sender: | Ender |
| Submission time: | 2020-09-05 20:17:17 +0300 |
| Language: | C++ (C++11) |
| Status: | READY |
| Result: | 16 |
| group | verdict | score |
|---|---|---|
| #1 | ACCEPTED | 16 |
| #2 | TIME LIMIT EXCEEDED | 0 |
| #3 | TIME LIMIT EXCEEDED | 0 |
| test | verdict | time | group | |
|---|---|---|---|---|
| #1 | ACCEPTED | 0.01 s | 1, 2, 3 | details |
| #2 | ACCEPTED | 0.01 s | 1, 2, 3 | details |
| #3 | ACCEPTED | 0.01 s | 1, 2, 3 | details |
| #4 | ACCEPTED | 0.01 s | 1, 2, 3 | details |
| #5 | ACCEPTED | 0.01 s | 1, 2, 3 | details |
| #6 | ACCEPTED | 0.01 s | 1, 2, 3 | details |
| #7 | TIME LIMIT EXCEEDED | -- | 2, 3 | details |
| #8 | TIME LIMIT EXCEEDED | -- | 2, 3 | details |
| #9 | TIME LIMIT EXCEEDED | -- | 2, 3 | details |
| #10 | TIME LIMIT EXCEEDED | -- | 2, 3 | details |
| #11 | TIME LIMIT EXCEEDED | -- | 2, 3 | details |
| #12 | TIME LIMIT EXCEEDED | -- | 2, 3 | details |
| #13 | TIME LIMIT EXCEEDED | -- | 3 | details |
| #14 | TIME LIMIT EXCEEDED | -- | 3 | details |
| #15 | TIME LIMIT EXCEEDED | -- | 3 | details |
| #16 | TIME LIMIT EXCEEDED | -- | 3 | details |
| #17 | TIME LIMIT EXCEEDED | -- | 3 | details |
| #18 | TIME LIMIT EXCEEDED | -- | 3 | details |
Code
#include <bits/stdc++.h>
#define ll long long
using namespace std;
int n;
vector<string> r;
int d[101010];
int f(int a, int b, int k)
{
if(a<0||b<0) return 0;
if(!a&&!b)
{
if(!d[k])
{
d[k] = 1;
return 1;
}
else
return 0;
}
if(r[a][b]=='o') k++;
return f(a-1,b, k)+f(a,b-1,k);
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin >> n;
r.resize(n);
for(int i = 0; i<n; i++)
cin >> r[i];
cout << f(n-1,n-1,0) << "\n";
return 0;
}
Test details
Test 1
Group: 1, 2, 3
Verdict: ACCEPTED
| input |
|---|
| 10 .......... .......... .......... .......... ... |
| correct output |
|---|
| 1 |
| user output |
|---|
| 1 |
Test 2
Group: 1, 2, 3
Verdict: ACCEPTED
| input |
|---|
| 10 o.o....... .......... .o...o.oo. ..o...o.oo ... |
| correct output |
|---|
| 9 |
| user output |
|---|
| 9 |
Test 3
Group: 1, 2, 3
Verdict: ACCEPTED
| input |
|---|
| 10 o......o.. oo.oo..... oooo....oo o.......oo ... |
| correct output |
|---|
| 14 |
| user output |
|---|
| 14 |
Test 4
Group: 1, 2, 3
Verdict: ACCEPTED
| input |
|---|
| 10 ..ooooo.oo .ooo.o..oo .....ooo.o ooo.ooo.oo ... |
| correct output |
|---|
| 12 |
| user output |
|---|
| 12 |
Test 5
Group: 1, 2, 3
Verdict: ACCEPTED
| input |
|---|
| 10 oooooooooo ooo....ooo .oo.oo.ooo oooooooooo ... |
| correct output |
|---|
| 10 |
| user output |
|---|
| 10 |
Test 6
Group: 1, 2, 3
Verdict: ACCEPTED
| input |
|---|
| 10 oooooooooo oooooooooo oooooooooo oooooooooo ... |
| correct output |
|---|
| 1 |
| user output |
|---|
| 1 |
Test 7
Group: 2, 3
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 100 ................................. |
| correct output |
|---|
| 1 |
| user output |
|---|
| (empty) |
Test 8
Group: 2, 3
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 100 .........o.....o.........o..o.... |
| correct output |
|---|
| 114 |
| user output |
|---|
| (empty) |
Test 9
Group: 2, 3
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 100 oo..oo.oo..o...o..o.o..o......... |
| correct output |
|---|
| 151 |
| user output |
|---|
| (empty) |
Test 10
Group: 2, 3
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 100 o..o.ooo..oo.o.o.o..o.o..o..oo... |
| correct output |
|---|
| 143 |
| user output |
|---|
| (empty) |
Test 11
Group: 2, 3
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 100 oo..oooooooooooo.oooo.o.o.oooo... |
| correct output |
|---|
| 115 |
| user output |
|---|
| (empty) |
Test 12
Group: 2, 3
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 100 oooooooooooooooooooooooooooooo... |
| correct output |
|---|
| 1 |
| user output |
|---|
| (empty) |
Test 13
Group: 3
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 1000 ................................. |
| correct output |
|---|
| 1 |
| user output |
|---|
| (empty) |
Test 14
Group: 3
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 1000 o..........o...o...o...o......... |
| correct output |
|---|
| 1121 |
| user output |
|---|
| (empty) |
Test 15
Group: 3
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 1000 .o.............o....o.o......o... |
| correct output |
|---|
| 1583 |
| user output |
|---|
| (empty) |
Test 16
Group: 3
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 1000 oooooo.oooooo.....oooo..o...o.... |
| correct output |
|---|
| 1574 |
| user output |
|---|
| (empty) |
Test 17
Group: 3
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 1000 ooooo.oo.oooooooooo...o...oo..... |
| correct output |
|---|
| 1147 |
| user output |
|---|
| (empty) |
Test 18
Group: 3
Verdict: TIME LIMIT EXCEEDED
| input |
|---|
| 1000 oooooooooooooooooooooooooooooo... |
| correct output |
|---|
| 1 |
| user output |
|---|
| (empty) |