CSES - Putka Open 2020 – 1/5

CSES - Putka Open 2020 – 1/5 - Results

Submission details
Task:	Ruudukko
Sender:	Pohjantahti
Submission time:	2020-09-04 18:36:22 +0300
Language:	C++ (C++11)
Status:	READY
Result:	100

Feedback
group	verdict	score
#1	ACCEPTED	16
#2	ACCEPTED	30
#3	ACCEPTED	54

Test results
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	0.04 s	3	details
#14	ACCEPTED	0.04 s	3	details
#15	ACCEPTED	0.04 s	3	details
#16	ACCEPTED	0.04 s	3	details
#17	ACCEPTED	0.04 s	3	details
#18	ACCEPTED	0.04 s	3	details

Code

#include <bits/stdc++.h>
 
using namespace std;
 
constexpr int N = 1005;
constexpr int INF = 1000000005;
 
int n;
bool t[N][N];
int dp[2][N][N]; // mi/mx
 
int main() {
    cin >> n;
    for (int i = 0; i < n; ++i) {
        string s;
        cin >> s;
        for (int j = 0; j < n; ++j) {
            if (s[j] == 'o') t[i+1][j+1] = true;
        }
    }
    for (int i = 0; i <= n; ++i) {
        dp[0][0][i] = dp[0][i][0] = INF;
        dp[1][0][i] = dp[1][i][0] = -INF;
    }
    for (int i = 1; i <= n; ++i) {
        for (int j = 1; j <= n; ++j) {
            int ami = dp[0][i][j-1];
            int bmi = dp[0][i-1][j];
            int amx = dp[1][i][j-1];
            int bmx = dp[1][i-1][j];
            
            int mi = min(ami, bmi);
            int mx = max(amx, bmx);
            
            if (!(i == 1 && j == 1)) {
                dp[0][i][j] = mi;
                dp[1][i][j] = mx;
            }
            
            if (t[i][j]) {
                dp[0][i][j]++;
                dp[1][i][j]++;
            }
        }
    }
    cout << dp[1][n][n] - dp[0][n][n] + 1 << "\n";
    return 0;
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
`10 .......... .......... .......... .......... ...` view save

correct output
`1` view save

user output
`1` view save

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
`10 o.o....... .......... .o...o.oo. ..o...o.oo ...` view save

correct output
`9` view save

user output
`9` view save

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
`10 o......o.. oo.oo..... oooo....oo o.......oo ...` view save

correct output
`14` view save

user output
`14` view save

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
`10 ..ooooo.oo .ooo.o..oo .....ooo.o ooo.ooo.oo ...` view save

correct output
`12` view save

user output
`12` view save

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
`10 oooooooooo ooo....ooo .oo.oo.ooo oooooooooo ...` view save

correct output
`10` view save

user output
`10` view save

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

input
`10 oooooooooo oooooooooo oooooooooo oooooooooo ...` view save

correct output
`1` view save

user output
`1` view save

Test 7

Group: 2, 3

Verdict: ACCEPTED

input
`100 .................................` view save

correct output
`1` view save

user output
`1` view save

Test 8

Group: 2, 3

Verdict: ACCEPTED

input
`100 .........o.....o.........o..o....` view save

correct output
`114` view save

user output
`114` view save

Test 9

Group: 2, 3

Verdict: ACCEPTED

input
`100 oo..oo.oo..o...o..o.o..o.........` view save

correct output
`151` view save

user output
`151` view save

Test 10

Group: 2, 3

Verdict: ACCEPTED

input
`100 o..o.ooo..oo.o.o.o..o.o..o..oo...` view save

correct output
`143` view save

user output
`143` view save

Test 11

Group: 2, 3

Verdict: ACCEPTED

input
`100 oo..oooooooooooo.oooo.o.o.oooo...` view save

correct output
`115` view save

user output
`115` view save

Test 12

Group: 2, 3

Verdict: ACCEPTED

input
`100 oooooooooooooooooooooooooooooo...` view save

correct output
`1` view save

user output
`1` view save

Test 13

Group: 3

Verdict: ACCEPTED

input
`1000 .................................` view save

correct output
`1` view save

user output
`1` view save

Test 14

Group: 3

Verdict: ACCEPTED

input
`1000 o..........o...o...o...o.........` view save

correct output
`1121` view save

user output
`1121` view save

Test 15

Group: 3

Verdict: ACCEPTED

input
`1000 .o.............o....o.o......o...` view save

correct output
`1583` view save

user output
`1583` view save

Test 16

Group: 3

Verdict: ACCEPTED

input
`1000 oooooo.oooooo.....oooo..o...o....` view save

correct output
`1574` view save

user output
`1574` view save

Test 17

Group: 3

Verdict: ACCEPTED

input
`1000 ooooo.oo.oooooooooo...o...oo.....` view save

correct output
`1147` view save

user output
`1147` view save

Test 18

Group: 3

Verdict: ACCEPTED

input
`1000 oooooooooooooooooooooooooooooo...` view save

correct output
`1` view save

user output
`1` view save

Putka Open 2020 – 1/5

Ruudukko

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Tasks

Submissions (Pohjantahti)