CSES - Putka Open 2020 – 1/5 - Results
Submission details
Task:Ruudukko
Sender:tykkipeli
Submission time:2020-09-04 21:06:40 +0300
Language:C++ (C++11)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2, 3details
#20.01 s1, 2, 3details
#30.01 s1, 2, 3details
#4ACCEPTED0.01 s1, 2, 3details
#50.01 s1, 2, 3details
#60.01 s1, 2, 3details
#7ACCEPTED0.01 s2, 3details
#8ACCEPTED0.01 s2, 3details
#90.01 s2, 3details
#100.01 s2, 3details
#110.01 s2, 3details
#120.01 s2, 3details
#13ACCEPTED0.04 s3details
#140.04 s3details
#15ACCEPTED0.04 s3details
#160.04 s3details
#170.04 s3details
#180.04 s3details

Code

#include <bits/stdc++.h>
using namespace std;
 
typedef long long ll;

int dpmin[1001][1001];
int dpmax[1001][1001];

string grid[1001];

int main() {
    int n;
    cin >> n;
    for (int i = 0; i < n; i++) cin >> grid[i];
    if (grid[0][0] == 'o') {
        dpmin[0][0] = 1;
        dpmax[0][0] = 1;
    }
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            dpmax[i][j] = 0;
            if (i != 0 || j != 0) dpmin[i][j] = 1e9;
            if (i > 0) {
                dpmax[i][j] = max(dpmax[i][j], dpmax[i-1][j]);
                dpmin[i][j] = min(dpmin[i][j], dpmin[i-1][j]);
            }
            if (j > 0) {
                dpmax[i][j] = max(dpmax[i][j], dpmax[i][j-1]);
                dpmin[i][j] = min(dpmin[i][j], dpmin[i][j-1]);
            }
            if (grid[i][j] == 'o') {
                dpmax[i][j]++;
                dpmin[i][j]++;
            }
        }
    }
    cout << dpmax[n-1][n-1] - dpmin[n-1][n-1] + 1 << "\n";
}






 

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:

input
10
o.o.......
..........
.o...o.oo.
..o...o.oo
...

correct output
9

user output
8

Test 3

Group: 1, 2, 3

Verdict:

input
10
o......o..
oo.oo.....
oooo....oo
o.......oo
...

correct output
14

user output
13

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:

input
10
oooooooooo
ooo....ooo
.oo.oo.ooo
oooooooooo
...

correct output
10

user output
9

Test 6

Group: 1, 2, 3

Verdict:

input
10
oooooooooo
oooooooooo
oooooooooo
oooooooooo
...

correct output
1

user output
0

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:

input
100
oo..oo.oo..o...o..o.o..o.........

correct output
151

user output
150

Test 10

Group: 2, 3

Verdict:

input
100
o..o.ooo..oo.o.o.o..o.o..o..oo...

correct output
143

user output
142

Test 11

Group: 2, 3

Verdict:

input
100
oo..oooooooooooo.oooo.o.o.oooo...

correct output
115

user output
114

Test 12

Group: 2, 3

Verdict:

input
100
oooooooooooooooooooooooooooooo...

correct output
1

user output
0

Test 13

Group: 3

Verdict: ACCEPTED

input
1000
.................................

correct output
1

user output
1

Test 14

Group: 3

Verdict:

input
1000
o..........o...o...o...o.........

correct output
1121

user output
1120

Test 15

Group: 3

Verdict: ACCEPTED

input
1000
.o.............o....o.o......o...

correct output
1583

user output
1583

Test 16

Group: 3

Verdict:

input
1000
oooooo.oooooo.....oooo..o...o....

correct output
1574

user output
1573

Test 17

Group: 3

Verdict:

input
1000
ooooo.oo.oooooooooo...o...oo.....

correct output
1147

user output
1146

Test 18

Group: 3

Verdict:

input
1000
oooooooooooooooooooooooooooooo...

correct output
1

user output
0