| Task: | Ruudukko |
| Sender: | Kuha |
| Submission time: | 2020-09-04 22:53:06 +0300 |
| Language: | C++ (C++11) |
| Status: | READY |
| Result: | 100 |
| group | verdict | score |
|---|---|---|
| #1 | ACCEPTED | 16 |
| #2 | ACCEPTED | 30 |
| #3 | ACCEPTED | 54 |
| 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 | ACCEPTED | 0.01 s | 2, 3 | details |
| #8 | ACCEPTED | 0.01 s | 2, 3 | details |
| #9 | ACCEPTED | 0.01 s | 2, 3 | details |
| #10 | ACCEPTED | 0.01 s | 2, 3 | details |
| #11 | ACCEPTED | 0.01 s | 2, 3 | details |
| #12 | ACCEPTED | 0.01 s | 2, 3 | details |
| #13 | ACCEPTED | 0.07 s | 3 | details |
| #14 | ACCEPTED | 0.08 s | 3 | details |
| #15 | ACCEPTED | 0.10 s | 3 | details |
| #16 | ACCEPTED | 0.11 s | 3 | details |
| #17 | ACCEPTED | 0.13 s | 3 | details |
| #18 | ACCEPTED | 0.14 s | 3 | details |
Code
#include <bits/stdc++.h>
#define N (1<<18)
#define ll long long
#define ld long double
#define M 1000000007LL
#define INF 0x5ADFACE5
#define LINF 0x51DEEFFEC7C0DECALL
#define pii pair<int, int>
#define pll pair<long long, long long>
#define F first
#define S second
using namespace std;
bitset<2000> dp[2000][2];
string s[1000];
int main() {
cin.sync_with_stdio(false);
cin.tie(0);
int n;
cin>>n;
for (int i = 0; i < n; i++) {
cin>>s[i];
}
dp[0][0][0] = 1;
for (int i = 0; i < n; i++) {
for (int j = 0; j < n; j++) {
if (s[i][j] == 'o') {
if (j) dp[j][1] = (dp[j - 1][1]<<1) | (dp[j][0]<<1);
else dp[j][1] = dp[j][0]<<1;
} else {
if (j) dp[j][1] = dp[j - 1][1] | dp[j][0];
else dp[j][1] = dp[j][0];
}
}
for (int j = 0; j < n; j++) {
dp[j][0] = dp[j][1];
}
}
cout<<dp[n - 1][0].count()<<endl;
}
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: ACCEPTED
| input |
|---|
| 100 ................................. |
| correct output |
|---|
| 1 |
| user output |
|---|
| 1 |
Test 8
Group: 2, 3
Verdict: ACCEPTED
| input |
|---|
| 100 .........o.....o.........o..o.... |
| correct output |
|---|
| 114 |
| user output |
|---|
| 114 |
Test 9
Group: 2, 3
Verdict: ACCEPTED
| input |
|---|
| 100 oo..oo.oo..o...o..o.o..o......... |
| correct output |
|---|
| 151 |
| user output |
|---|
| 151 |
Test 10
Group: 2, 3
Verdict: ACCEPTED
| input |
|---|
| 100 o..o.ooo..oo.o.o.o..o.o..o..oo... |
| correct output |
|---|
| 143 |
| user output |
|---|
| 143 |
Test 11
Group: 2, 3
Verdict: ACCEPTED
| input |
|---|
| 100 oo..oooooooooooo.oooo.o.o.oooo... |
| correct output |
|---|
| 115 |
| user output |
|---|
| 115 |
Test 12
Group: 2, 3
Verdict: ACCEPTED
| input |
|---|
| 100 oooooooooooooooooooooooooooooo... |
| correct output |
|---|
| 1 |
| user output |
|---|
| 1 |
Test 13
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 1000 ................................. |
| correct output |
|---|
| 1 |
| user output |
|---|
| 1 |
Test 14
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 1000 o..........o...o...o...o......... |
| correct output |
|---|
| 1121 |
| user output |
|---|
| 1121 |
Test 15
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 1000 .o.............o....o.o......o... |
| correct output |
|---|
| 1583 |
| user output |
|---|
| 1583 |
Test 16
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 1000 oooooo.oooooo.....oooo..o...o.... |
| correct output |
|---|
| 1574 |
| user output |
|---|
| 1574 |
Test 17
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 1000 ooooo.oo.oooooooooo...o...oo..... |
| correct output |
|---|
| 1147 |
| user output |
|---|
| 1147 |
Test 18
Group: 3
Verdict: ACCEPTED
| input |
|---|
| 1000 oooooooooooooooooooooooooooooo... |
| correct output |
|---|
| 1 |
| user output |
|---|
| 1 |