CSES - Putka Open 2020 – 1/5 - Results
Submission details
Task:Ruudukko
Sender:jnalanko
Submission time:2020-09-05 03:29:23 +0300
Language:C++17
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED16
#2ACCEPTED30
#3ACCEPTED54
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2, 3details
#2ACCEPTED0.01 s1, 2, 3details
#3ACCEPTED0.01 s1, 2, 3details
#4ACCEPTED0.01 s1, 2, 3details
#5ACCEPTED0.01 s1, 2, 3details
#6ACCEPTED0.01 s1, 2, 3details
#7ACCEPTED0.01 s2, 3details
#8ACCEPTED0.01 s2, 3details
#9ACCEPTED0.01 s2, 3details
#10ACCEPTED0.01 s2, 3details
#11ACCEPTED0.01 s2, 3details
#12ACCEPTED0.01 s2, 3details
#13ACCEPTED0.04 s3details
#14ACCEPTED0.05 s3details
#15ACCEPTED0.05 s3details
#16ACCEPTED0.05 s3details
#17ACCEPTED0.05 s3details
#18ACCEPTED0.04 s3details

Code

#include <iostream>
#include <vector>
#include <set>
#include <queue>
#include <algorithm>

using namespace std;

typedef long long LL;

int main(){
    LL n; cin >> n;
    vector<string> G;
    for(LL i = 0; i < n; i++){
        string S; cin >> S;
        G.push_back(S);
    }

    vector<vector<LL> > dp_max(n, vector<LL>(n));
    vector<vector<LL> > dp_min(n, vector<LL>(n,1e9));
    for(LL r = 0; r < n; r++){
        for(LL c = 0; c < n; c++){
            if(r > 0){
                dp_max[r][c] = max(dp_max[r][c], dp_max[r-1][c]);
                dp_min[r][c] = min(dp_min[r][c], dp_min[r-1][c]);
            }
            if(c > 0){
                dp_max[r][c] = max(dp_max[r][c], dp_max[r][c-1]);
                dp_min[r][c] = min(dp_min[r][c], dp_min[r][c-1]);
            }
            if(r == 0 && c == 0) dp_min[r][c] = 0;
            if(G[r][c] == 'o'){
                dp_max[r][c]++;
                dp_min[r][c]++;
            }
        }
    }

    cout << dp_max[n-1][n-1] - dp_min[n-1][n-1] + 1 << 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