CSES - Datatähti 2025 alku - Results
Submission details
Task:Robotti
Sender:yo_chico1
Submission time:2024-10-31 19:38:12 +0200
Language:C++ (C++17)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
Test results
testverdicttimegroup
#1ACCEPTED0.00 s1, 2details
#2ACCEPTED0.00 s1, 2details
#3ACCEPTED0.00 s1, 2details
#40.00 s1, 2details
#5ACCEPTED0.00 s1, 2details
#6ACCEPTED0.00 s1, 2details
#7ACCEPTED0.00 s1, 2details
#80.01 s1, 2details
#90.01 s1, 2details
#10ACCEPTED0.01 s1, 2details
#11ACCEPTED0.01 s1, 2details
#12ACCEPTED0.01 s2details
#13ACCEPTED0.01 s2details
#14ACCEPTED0.07 s2details
#15ACCEPTED0.25 s2details
#16ACCEPTED0.24 s2details
#17ACCEPTED0.02 s2details
#18ACCEPTED0.27 s2details
#19--2details
#20--2details
#21ACCEPTED0.02 s2details
#22ACCEPTED0.08 s2details
#23--2details
#24--2details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:56:22: warning: 'myPos' may be used uninitialized in this function [-Wmaybe-uninitialized]
   56 |         mapVec[oldPos] = '.';
      |                      ^

Code

#include <iostream>
#include <vector>
#include <cmath>
#include <algorithm>

//#define PAUSE system("pause")

int getNear(const std::vector<int>& vec, int target) {
    if (vec.empty()) {
        return -1;
    }

    auto it = std::min_element(vec.begin(), vec.end(), [target](int a, int b) {
        int diffA = std::abs(target - a);
        int diffB = std::abs(target - b);
        if (diffA == diffB) {
            return a < b;
        }
        return diffA < diffB;
    });

    return (it == vec.end()) ? -1 : *it;
}

int main() {
    int mapSize, steps = 0, allc = 0;
    std::vector<char> mapVec;
    char el_buffer;

    std::cin >> mapSize;

    for (int i = 0; i < mapSize; i++) {
        std::cin >> el_buffer;
        mapVec.push_back(el_buffer);
    }

    std::vector<int> moneyVec;
    int myPos;

    for (int i = 0; i < mapSize; i++) {
        if (mapVec[i] == '*') {
            moneyVec.push_back(i);
        } else if (mapVec[i] == 'R') {
            myPos = i;
        }
    }

    while (true) {
        int oldPos = myPos;
        myPos = getNear(moneyVec, myPos);

        if (myPos == -1) {
            break;
        }

        mapVec[oldPos] = '.';
        mapVec[myPos] = 'R';
        allc++;
        steps += std::abs(myPos - oldPos);

        moneyVec.erase(std::remove(moneyVec.begin(), moneyVec.end(), myPos), moneyVec.end());
    }

    std::cout << steps << ' ' << allc << std::endl;
    //PAUSE;
    return 0;
}

Test details

Test 1

Group: 1, 2

Verdict: ACCEPTED

input
1
R

correct output
0 0

user output
0 0

Test 2

Group: 1, 2

Verdict: ACCEPTED

input
10
...R......

correct output
0 0

user output
0 0

Test 3

Group: 1, 2

Verdict: ACCEPTED

input
10
**.R...***

correct output
12 5

user output
12 5

Test 4

Group: 1, 2

Verdict:

input
10
***R******

correct output
0 0

user output
12 9

Test 5

Group: 1, 2

Verdict: ACCEPTED

input
1000
R................................

correct output
947 9

user output
947 9

Test 6

Group: 1, 2

Verdict: ACCEPTED

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

correct output
886 9

user output
886 9

Test 7

Group: 1, 2

Verdict: ACCEPTED

input
1000
.....*..*....**..**..*......*....

correct output
1287 400

user output
1287 400

Test 8

Group: 1, 2

Verdict:

input
1000
************.*****************...

correct output
0 0

user output
1313 900

Test 9

Group: 1, 2

Verdict:

input
1000
******************************...

correct output
0 0

user output
1313 999

Test 10

Group: 1, 2

Verdict: ACCEPTED

input
1000
R*****************************...

correct output
999 999

user output
999 999

Test 11

Group: 1, 2

Verdict: ACCEPTED

input
1000
******************************...

correct output
999 999

user output
999 999

Test 12

Group: 2

Verdict: ACCEPTED

input
10000
.......**........*...........*...

correct output
10971 999

user output
10971 999

Test 13

Group: 2

Verdict: ACCEPTED

input
10000
*..*....*......*.....*..*........

correct output
9999 999

user output
9999 999

Test 14

Group: 2

Verdict: ACCEPTED

input
10000
*.*.*...**.*...*....**.**.**.....

correct output
18766 5000

user output
18766 5000

Test 15

Group: 2

Verdict: ACCEPTED

input
10000
R*****************************...

correct output
9999 9999

user output
9999 9999

Test 16

Group: 2

Verdict: ACCEPTED

input
10000
******************************...

correct output
9999 9999

user output
9999 9999

Test 17

Group: 2

Verdict: ACCEPTED

input
200000
.................................

correct output
0 0

user output
0 0

Test 18

Group: 2

Verdict: ACCEPTED

input
200000
.................................

correct output
299934 10000

user output
299934 10000

Test 19

Group: 2

Verdict:

input
200000
**.***....**..**.....***.*..*....

correct output
299998 100000

user output
(empty)

Test 20

Group: 2

Verdict:

input
200000
******************************...

correct output
0 0

user output
(empty)

Test 21

Group: 2

Verdict: ACCEPTED

input
200000
R................................

correct output
133765 3

user output
133765 3

Test 22

Group: 2

Verdict: ACCEPTED

input
200000
R................................

correct output
199982 5000

user output
199982 5000

Test 23

Group: 2

Verdict:

input
200000
R*****************************...

correct output
199999 199999

user output
(empty)

Test 24

Group: 2

Verdict:

input
200000
******************************...

correct output
199999 199999

user output
(empty)