CSES - Datatähti 2017 alku

CSES - Datatähti 2017 alku - Results

Submission details
Task:	Maalarit
Sender:	comp
Submission time:	2016-10-08 22:02:16 +0300
Language:	C++
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	WRONG ANSWER	0
#2	WRONG ANSWER	0
#3	WRONG ANSWER	0
#4	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	WRONG ANSWER	0.05 s	1	details
#2	ACCEPTED	0.06 s	1	details
#3	WRONG ANSWER	0.05 s	1	details
#4	WRONG ANSWER	0.05 s	1	details
#5	WRONG ANSWER	0.05 s	1	details
#6	ACCEPTED	0.05 s	1	details
#7	WRONG ANSWER	0.05 s	2	details
#8	WRONG ANSWER	0.05 s	2	details
#9	WRONG ANSWER	0.06 s	2	details
#10	WRONG ANSWER	0.05 s	2	details
#11	WRONG ANSWER	0.06 s	2	details
#12	ACCEPTED	0.05 s	2	details
#13	WRONG ANSWER	0.05 s	3	details
#14	WRONG ANSWER	0.05 s	3	details
#15	WRONG ANSWER	0.05 s	3	details
#16	WRONG ANSWER	0.06 s	3	details
#17	WRONG ANSWER	0.04 s	3	details
#18	ACCEPTED	0.05 s	3	details
#19	WRONG ANSWER	0.76 s	4	details
#20	WRONG ANSWER	0.78 s	4	details
#21	WRONG ANSWER	0.78 s	4	details
#22	WRONG ANSWER	0.78 s	4	details
#23	WRONG ANSWER	0.77 s	4	details
#24	RUNTIME ERROR	1.83 s	4	details

Compiler report

input/code.cpp: In function 'int find_painters(std::map<int, int>, bool)':
input/code.cpp:13:22: warning: NULL used in arithmetic [-Wpointer-arith]
     if (is_bottom == NULL && boards.size() == 1) {
                      ^
input/code.cpp:18:29: warning: NULL used in arithmetic [-Wpointer-arith]
     } else if (is_bottom == NULL && boards.size() == 2) {
                             ^
input/code.cpp: In function 'int main()':
input/code.cpp:150:27: warning: 'total_cost' may be used uninitialized in this function [-Wmaybe-uninitialized]
         total_cost += cost;
                           ^

Code

#include <iostream>
#include <vector>
#include <map>

int number_of_boards;
std::map<int, int> board_painters; // board:painter=1,2,3
int costs[3] = {0, 0, 0};

std::map<int, int> board_set_bottom;
std::map<int, int> board_set_top;

int find_painters(std::map<int, int> boards, bool is_bottom = NULL) {
    if (is_bottom == NULL && boards.size() == 1) {
        std::pair<int, int> board = std::pair<int, int>(boards.begin()->first, boards.begin()->second);
        costs[0] = board.second;
        board_painters.insert(std::pair<int, int>(board.first, 1));
        return 0;
    } else if (is_bottom == NULL && boards.size() == 2) {
        std::pair<int, int> board_one = std::pair<int, int>(boards.begin()->first, boards.begin()->second);
        std::pair<int, int> board_two = std::pair<int, int>(boards.rbegin()->first, boards.rbegin()->second);
        costs[0] = board_one.second;
        costs[1] = board_two.second;
        board_painters.insert(std::pair<int, int>(board_one.first, 1));
        board_painters.insert(std::pair<int, int>(board_two.first, 2));
        return 0;
    }
    
    std::pair<int, int> tallestBoard = std::pair<int, int>(boards.rbegin()->first, boards.rbegin()->second);
    for(auto board: boards) {
        if (board.second > tallestBoard.second) {
            tallestBoard = board;
        }
    }
    
    int tallestLocation = tallestBoard.first;
    int tallestHeight = tallestBoard.second;
    
    if (tallestLocation == boards.begin()->first && is_bottom == false) {
        std::map<int, int> boards_subset = boards;
        boards_subset.erase(boards.begin()->first);
        tallestBoard = std::pair<int, int>(boards_subset.rbegin()->first, boards_subset.rbegin()->second);
        for(auto board: boards_subset) {
            if (board.second > tallestBoard.second) {
                tallestBoard = board;
            }
        }
        tallestLocation = tallestBoard.first;
        tallestHeight = tallestBoard.second;
    } else if (tallestLocation == boards.rbegin()->first && is_bottom == true) {
        std::map<int, int> boards_subset = boards;
        boards_subset.erase(boards.rbegin()->first);
        tallestBoard = std::pair<int, int>(boards_subset.rbegin()->first, boards_subset.rbegin()->second);
        for(auto board: boards_subset) {
            if (board.second > tallestBoard.second) {
                tallestBoard = board;
            }
        }
        tallestLocation = tallestBoard.first;
        tallestHeight = tallestBoard.second;
    }
    board_painters.insert(std::pair<int, int>(tallestLocation, 3));
    if (tallestHeight > costs[2]) {
        costs[2] = tallestHeight;
    }
    
    board_set_bottom.clear();
    board_set_top.clear();
    for(auto board: boards) {
        if (board.first < tallestLocation) {
            board_set_bottom.insert(std::pair<int, int>(board.first, board.second));
        } else if (board.first > tallestLocation) {
            board_set_top.insert(std::pair<int, int>(board.first, board.second));
        }
    }
    
    std::vector<std::map<int, int>> board_sets;
    board_sets.push_back(board_set_bottom);
    board_sets.push_back(board_set_top);
    
    for(auto board_set: board_sets) {
        int set_size = board_set.size();
        if (set_size == 0) {
            continue;
        }
        if (set_size > 2) {
            if (board_set == board_set_bottom) {
                find_painters(board_set, true);
            } else {
                find_painters(board_set, false);
            }
        } else if (board_set.rbegin()->first == number_of_boards && board_set == board_set_top && set_size != 1) {
            find_painters(board_set, false);
        } else if (board_set.begin()->first == 1 && board_set == board_set_bottom && set_size != 1) {
            find_painters(board_set, true);
        } else if (set_size == 2) {
            std::pair<int, int> board_one = std::pair<int, int>(board_set.begin()->first, board_set.begin()->second);
            std::pair<int, int> board_two = std::pair<int, int>(board_set.rbegin()->first, board_set.rbegin()->second);
            int board_one_location = board_one.first;
            int board_two_location = board_two.first;
            int board_one_height = board_one.second;
            int board_two_height = board_two.second;
            if (board_one.second >= board_two.second) {
                board_painters.insert(std::pair<int, int>(board_one_location, 2));
                board_painters.insert(std::pair<int, int>(board_two_location, 1));
                if (board_one_height > costs[1]) {
                    costs[1] = board_one_height;
                }
                if (board_two_height > costs[0]) {
                    costs[0] = board_two_height;
                }
            } else {
                board_painters.insert(std::pair<int, int>(board_one_location, 1));
                board_painters.insert(std::pair<int, int>(board_two_location, 2));
                if (board_one_height > costs[0]) {
                    costs[0] = board_one_height;
                }
                if (board_two_height > costs[1]) {
                    costs[1] = board_two_height;
                }
            }
        } else { // set_size == 1
            std::pair<int, int> board = *(board_set.rbegin());
            board_painters.insert(std::pair<int, int>(board.first, 2));
            if (board.second > costs[1]) {
                costs[1] = board.second;
            }
        }
    }
    
    
    return 0;
}

int main() {
    std::cin >> number_of_boards;
    
    std::map<int, int> boards;
    int x;
    for(int p = 1; p <= number_of_boards; ++p) {
        std::cin >> x;
        boards.insert(std::pair<int, int>(p, x)); // location, height
    }
    
    find_painters(boards);
    
    int total_cost;
    
    int number_of_painters = 0;
    for(auto cost: costs) {
        total_cost += cost;
        if (cost != 0) {
            number_of_painters += 1;
        }
    }
    
    int lowest_painter = 3;
    for(auto set: board_painters) {
        if (set.second < lowest_painter) {
            lowest_painter = set.second;
        }
    }
    if (lowest_painter != 1) {
        for(auto set: board_painters) {
            std::pair<int, int> new_set = std::pair<int, int>(set.first, set.second - lowest_painter + 1);
            board_painters.erase(set.first);
            board_painters.insert(new_set);
        }
    }

    if (number_of_painters == 3) {
        int first_digit = board_painters.at(1);
        int second_digit = board_painters.at(2);
        for(auto set: board_painters) {
            int value = set.second;
            std::pair<int, int> new_set;
            if (value == first_digit) {
                new_set = std::pair<int, int>(set.first, 1);
            } else if (value == second_digit) {
                new_set = std::pair<int, int>(set.first, 2);
            } else {
                new_set = std::pair<int, int>(set.first, 3);
            }
            board_painters.erase(set.first);
            board_painters.insert(new_set);
        }
    } else if (number_of_painters == 2) {
        if (board_painters.at(1) != 1) {
            for(auto set: board_painters) {
                std::pair<int, int> new_set;
                if (set.second == 1) {
                    new_set = std::pair<int, int>(set.first, 2);
                } else {
                    new_set = std::pair<int, int>(set.first, 1);
                }
                board_painters.erase(set.first);
                board_painters.insert(new_set);
            }
        }
    }
    
    std::cout << total_cost << " " << number_of_painters << "\n";
    for(auto set: board_painters) {
        std::cout << set.second << " ";
    }
    
    return 0;
}

Test details

Test 1

Group: 1

Verdict: WRONG ANSWER

input
`10 22 54 3 91 69 90 40 29 83 71` view save

correct output
`174 3 2 1 2 1 2 1 2 1 2 1` view save

user output
`191 3 1 2 1 2 1 2 1 3 2 1` view save

Test 2

Group: 1

Verdict: ACCEPTED

input
`10 49 3 96 38 90 18 92 74 83 1` view save

correct output
`170 3 1 2 1 2 1 2 1 2 1 2` view save

user output
`170 2 1 2 1 2 1 2 1 2 1 2` view save

Test 3

Group: 1

Verdict: WRONG ANSWER

input
`10 46 3 41 30 16 17 12 93 80 81` view save

correct output
`173 3 2 1 2 1 2 1 2 1 2 1` view save

user output
`254 3 1 2 1 2 3 1 2 1 3 2` view save

Test 4

Group: 1

Verdict: WRONG ANSWER

input
`10 46 8 95 85 82 73 82 92 53 90` view save

correct output
`187 3 1 2 1 2 1 2 1 2 1 2` view save

user output
`258 3 1 2 1 1 2 3 1 1 3 2` view save

Test 5

Group: 1

Verdict: WRONG ANSWER

input
`10 41 18 61 59 40 96 5 2 74 38` view save

correct output
`159 3 2 1 2 1 2 1 2 3 1 2` view save

user output
`195 3 1 2 1 2 3 1 2 3 1 2` view save

Test 6

Group: 1

Verdict: ACCEPTED

input
`10 1 1 1 1 1 1 1 1 1 1` view save

correct output
`2 3 2 1 2 1 2 1 2 1 2 1` view save

user output
`2 2 1 2 1 2 1 2 1 2 1 2` view save

Test 7

Group: 2

Verdict: WRONG ANSWER

input
`100 1 39 94 5 24 84 84 10 78 61 38...` view save

correct output
`193 3 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 ...` view save

user output
`238 3 1 2 1 3 2 1 2 3 1 2 3 1 1 3 2 ...` view save

Test 8

Group: 2

Verdict: WRONG ANSWER

input
`100 31 73 18 88 49 28 66 5 32 48 9...` view save

correct output
`199 3 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 ...` view save

user output
`216 3 1 2 1 2 1 3 2 3 1 2 2 1 3 2 1 ...` view save

Test 9

Group: 2

Verdict: WRONG ANSWER

input
`100 45 56 36 60 31 10 23 79 29 17 ...` view save

correct output
`198 3 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 ...` view save

user output
`250 3 1 2 1 2 1 3 2 2 2 1 3 2 1 2 1 ...` view save

Test 10

Group: 2

Verdict: WRONG ANSWER

input
`100 1 77 70 62 21 68 40 54 90 62 1...` view save

correct output
`194 3 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 ...` view save

user output
`228 3 1 2 2 1 3 2 3 1 2 1 3 2 1 2 3 ...` view save

Test 11

Group: 2

Verdict: WRONG ANSWER

input
`100 4 47 41 81 56 64 12 10 20 100 ...` view save

correct output
`189 3 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 ...` view save

user output
`212 3 1 2 1 2 1 2 1 3 2 2 1 2 1 2 1 ...` view save

Test 12

Group: 2

Verdict: ACCEPTED

input
`10 1 1 1 1 1 1 1 1 1 1` view save

correct output
`2 3 2 1 2 1 2 1 2 1 2 1` view save

user output
`2 2 1 2 1 2 1 2 1 2 1 2` view save

Test 13

Group: 3

Verdict: WRONG ANSWER

input
`100 256160448 813097800 167146270 ...` view save

correct output
`1929869257 3 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 ...` view save

user output
`-1985490434 3 1 2 1 2 1 2 1 3 2 1 3 2 2 3 1 ...` view save

Test 14

Group: 3

Verdict: WRONG ANSWER

input
`100 520002672 3542567 24668528 959...` view save

correct output
`1946957555 3 1 2 3 1 2 1 2 1 2 1 2 1 2 1 2 ...` view save

user output
`-2073145956 3 1 2 3 1 3 2 1 3 1 2 3 1 2 3 1 ...` view save

Test 15

Group: 3

Verdict: WRONG ANSWER

input
`100 483158423 780224665 844754665 ...` view save

correct output
`1959373560 3 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 ...` view save

user output
`1518183343 3 1 2 1 2 3 1 1 2 3 1 1 2 1 2 1 ...` view save

Test 16

Group: 3

Verdict: WRONG ANSWER

input
`100 969647264 128558017 889036329 ...` view save

correct output
`1997942264 3 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 ...` view save

user output
`-1933461779 3 1 2 1 2 1 2 3 1 2 1 2 3 1 1 1 ...` view save

Test 17

Group: 3

Verdict: WRONG ANSWER

input
`100 745018527 400495893 635468795 ...` view save

correct output
`1961391143 3 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 ...` view save

user output
`2086445016 3 1 2 1 2 1 2 3 1 2 1 1 1 2 1 2 ...` view save

Test 18

Group: 3

Verdict: ACCEPTED

input
`10 1 1 1 1 1 1 1 1 1 1` view save

correct output
`2 3 2 1 2 1 2 1 2 1 2 1` view save

user output
`2 2 1 2 1 2 1 2 1 2 1 2` view save

Test 19

Group: 4

Verdict: WRONG ANSWER

input
`100000 197349274 775463806 263930657 ...` view save

correct output
`1999942635 3 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 ...` view save

user output
`-1417245555 3 1 2 1 2 1 2 1 2 1 2 1 2 1 2 3 ...` view save

Test 20

Group: 4

Verdict: WRONG ANSWER

input
`100000 102296405 34648120 320393597 9...` view save

correct output
`1999930943 3 2 1 2 1 2 1 2 1 2 1 2 1 2 1 2 ...` view save

user output
`-1393841263 3 1 2 3 1 3 1 3 1 3 1 3 1 3 2 1 ...` view save

Test 21

Group: 4

Verdict: WRONG ANSWER

input
`100000 781254921 418252056 502363453 ...` view save

correct output
`1999987794 3 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 ...` view save

user output
`-1350462689 3 1 2 1 3 2 1 1 3 2 1 3 2 1 2 3 ...` view save

Test 22

Group: 4

Verdict: WRONG ANSWER

input
`100000 849784881 230439009 455097426 ...` view save

correct output
`1999979439 3 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 ...` view save

user output
`-1362768072 3 1 2 3 1 1 3 1 3 1 2 3 1 1 3 1 ...` view save

Test 23

Group: 4

Verdict: WRONG ANSWER

input
`100000 851456132 13422224 537539701 4...` view save

correct output
`1999948226 3 1 2 1 2 1 2 1 2 1 2 1 2 1 2 1 ...` view save

user output
`-1394526063 3 1 2 1 2 1 2 1 2 1 1 3 2 1 2 1 ...` view save

Test 24

Group: 4

Verdict: RUNTIME ERROR

input
`100000 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...` view save

correct output
`2 3 3 1 3 1 3 1 3 1 3 1 3 1 3 1 3 ...` view save

user output
(empty)

Datatähti 2017 alku

Maalarit

Compiler report

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

Test 19

Test 20

Test 21

Test 22

Test 23

Test 24

Tasks

Submissions (comp)