CSES - Datatähti 2024 alku - Results
Submission details
Task:Uolevin kalansaalis
Sender:snowflake
Submission time:2023-11-11 01:00:42 +0200
Language:C++ (C++20)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#1ACCEPTED0.00 s1, 2details
#20.00 s1, 2details
#30.00 s1, 2details
#4ACCEPTED0.00 s1, 2details
#5ACCEPTED0.00 s1, 2details
#60.00 s1, 2details
#7ACCEPTED0.00 s1, 2details
#80.00 s1, 2details
#9ACCEPTED0.00 s1, 2details
#10ACCEPTED0.00 s1, 2details
#110.00 s1, 2details
#120.00 s1, 2details
#130.00 s1, 2details
#14ACCEPTED0.00 s1, 2details
#150.00 s1, 2details
#16--2details
#17--2details
#18--2details
#19--2details
#20--2details
#21--2details
#22--2details
#23--2details
#24--2details

Code

#include <iostream>
#include <vector>
#include <cmath>
using namespace std;
 
 
const char hauki = 'H';
const char katkarapu = 'K';
 
vector<vector<char>> grid;
 
int Catchsum(int n, int m)
{
    int sum = 0;
    for (int en = 0; en < n; en++)
        for (int em = 0; em < m; em++)
            if (grid[en][em] == hauki) sum++; else if (grid[en][em] == katkarapu) sum -= 10;
 
    return sum;
}
 
int Trisum(int en, int em, int T, int m, int n, bool up)
{
    int sum = 0;
 
    for (int ex = 0; ex < T; ex++)
    {
        for (int ey = 0; ey <= ex; ey++)
        {
            int cx = en + ex;
            int cy = em + (up ? -ey : ey);
 
            // if (!up) if (ey != 0) if (cy % 2 == 1) cx -= 1;
            // if (up) if (ey != 0) if (cy % 2 == 1) cx -= 1;
            if (!up) if (ey != 0) if (cy != 0) if (ey % 2 == 1) cx -= 1;
            if (up) if (ey != 0) if (cy != 0)if (ey % 2 == 1) cx -= 1;
            // if (up) if (ey % 2 == 1) cx -= 1;
            // if (!up) if (ey != 0 && cy % 2 == 1) cx -= 1;

            if (cx < 0 || cx >= n || cy < 0 || cy >= m) return -2147483647;
 
            // if (T == 4 && up)
            // {
            //     cout << "(" << en << ", " << em << ")" << " : " << grid[cx][cy] << endl;
            //     // cout << "x" << endl;
            // }
 
            if (grid[cx][cy] == hauki) sum -= 1;
            else if (grid[cx][cy] == katkarapu) sum += 10;
        }
    }
    // if (T == 4) cout << up << " : " << T << " : " << sum << " : (" << en << ", " << em << ")" << endl;
    // cout << up << " : " << T << " : " << sum << " : (" << en << ", " << em << ")" << endl;
    return sum;
}
 
int Optihole(int n, int m)
{
    int maxval = -2147483646;
 
    for (int en = 0; en < n; en++)
    {
        for (int em = 0; em < m; em++)
        {
            for (int T = 0; T <= min(m, n); T++)
            {
                maxval = max(maxval, Trisum(en, em, T, m, n, true)); // up
                if (T != 1) maxval = max(maxval, Trisum(en, em, T, m, n, false)); // down
                // then uh check if T is more than the room left to the borders ? for optimisation idk
                // maxval = max(maxval, Trisum(en, em, T, m, n, 0)); // down
            }
        }
    }
 
    return maxval;
}
 
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n;
    int m;
    int k;
    cin >> n >> m >> k;
 
    grid = vector<vector<char>>(n, vector<char>(m, 'X'));
 
    for (int z = 0; z < k; z++)
    {
        int x;
        int y;
        char spec;
        cin >> x >> y >> spec;
        grid[x - 1][y - 1] = spec;
    }
 
    int totalcut = Catchsum(n, m);
    int triangleboost = Optihole(n, m);
 
    // cout << "triangleboost:" << triangleboost << endl;
    // cout << "totalcut:" << totalcut << endl;
 
    cout << totalcut + triangleboost;
 
    return 0;
}

Test details

Test 1

Group: 1, 2

Verdict: ACCEPTED

input
5 6 13
1 1 K
5 1 K
2 2 H
4 2 H
...

correct output
-16

user output
-16

Test 2

Group: 1, 2

Verdict:

input
5 6 7
1 5 K
4 6 K
2 4 H
2 5 H
...

correct output
0

user output
1

Test 3

Group: 1, 2

Verdict:

input
5 6 7
5 5 K
2 6 K
2 4 H
2 5 H
...

correct output
0

user output
-5

Test 4

Group: 1, 2

Verdict: ACCEPTED

input
10 10 51
3 3 H
6 3 H
9 5 H
5 10 H
...

correct output
50

user output
50

Test 5

Group: 1, 2

Verdict: ACCEPTED

input
10 10 52
3 5 H
3 1 H
9 6 H
2 8 H
...

correct output
40

user output
40

Test 6

Group: 1, 2

Verdict:

input
10 10 60
6 10 H
2 8 H
5 8 H
8 10 H
...

correct output
-15

user output
-12

Test 7

Group: 1, 2

Verdict: ACCEPTED

input
10 10 60
4 7 H
7 4 H
4 10 H
3 6 H
...

correct output
60

user output
60

Test 8

Group: 1, 2

Verdict:

input
10 10 40
9 9 H
5 10 H
5 6 H
4 9 H
...

correct output
2

user output
4

Test 9

Group: 1, 2

Verdict: ACCEPTED

input
1 1 0

correct output
0

user output
0

Test 10

Group: 1, 2

Verdict: ACCEPTED

input
1 1 1
1 1 K

correct output
0

user output
0

Test 11

Group: 1, 2

Verdict:

input
1 1 1
1 1 H

correct output
0

user output
1

Test 12

Group: 1, 2

Verdict:

input
10 5 32
10 3 H
4 4 H
3 3 H
5 4 H
...

correct output
20

user output
23

Test 13

Group: 1, 2

Verdict:

input
5 10 32
5 9 H
2 4 H
2 9 H
2 5 H
...

correct output
28

user output
29

Test 14

Group: 1, 2

Verdict: ACCEPTED

input
10 10 100
2 9 H
5 4 H
5 9 K
6 1 K
...

correct output
-439

user output
-439

Test 15

Group: 1, 2

Verdict:

input
10 10 100
8 9 H
5 10 H
5 4 H
3 9 H
...

correct output
88

user output
90

Test 16

Group: 2

Verdict:

input
500 500 125000
125 261 K
84 78 K
11 200 K
481 246 K
...

correct output
-624270

user output
(empty)

Test 17

Group: 2

Verdict:

input
500 500 125100
16 61 H
37 62 H
459 125 H
318 476 H
...

correct output
124020

user output
(empty)

Test 18

Group: 2

Verdict:

input
500 500 249999
22 214 H
356 145 H
341 29 H
393 262 H
...

correct output
249999

user output
(empty)

Test 19

Group: 2

Verdict:

input
500 500 32000
30 81 H
315 34 H
78 112 H
367 166 H
...

correct output
10126

user output
(empty)

Test 20

Group: 2

Verdict:

input
500 500 126745
164 390 H
126 331 H
164 126 H
55 92 H
...

correct output
-104692

user output
(empty)

Test 21

Group: 2

Verdict:

input
500 500 71200
106 191 H
314 189 H
482 485 H
344 401 H
...

correct output
-335853

user output
(empty)

Test 22

Group: 2

Verdict:

input
500 500 67772
421 277 H
428 470 H
169 142 H
256 345 H
...

correct output
-208567

user output
(empty)

Test 23

Group: 2

Verdict:

input
500 500 27434
366 481 H
38 22 H
126 107 H
135 169 H
...

correct output
-57100

user output
(empty)

Test 24

Group: 2

Verdict:

input
500 500 93982
183 13 H
463 230 H
264 351 H
399 290 H
...

correct output
-52800

user output
(empty)