oj.uz

답안 #982435

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
982435 2024-05-14T08:58:14 Z totoro Aliens (IOI16_aliens) C++17
16 / 100
 96 ms 2336 KB 
// UNSOLVED SUBTASK 1 (04 pts)
// UNSOLVED SUBTASK 2 (12 pts)
// UNSOLVED SUBTASK 3 (09 pts)
// UNSOLVED SUBTASK 4 (16 pts)
// UNSOLVED SUBTASK 5 (19 pts)
// UNSOLVED SUBTASK 6 (40 pts)
// [+-+]----------------------
// TOTAL      0/100 pts

#include "aliens.h"

#include <algorithm>
#include <climits>
#include <vector>

struct Coordinate {
    long long row, col;
    Coordinate(long long row, long long col) : row(std::min(row, col)), col(std::max(row, col)) {}
    bool operator<(const Coordinate& other) const {
        if (row == other.row) {
            return col > other.col;
        }
        return row < other.row;
    }
};

struct Range {
    long long start, end;
    Range(long long start, long long end) : start(start), end(end){};
    long long merge(const Range& other) const {
        return 2 * (other.start - start) * (other.end - end) - (other.start > end ? (other.start - end - 1) * (other.start - end - 1) : 0);
    }
};

long long take_photos(int n, int m, int k, std::vector<int> r, std::vector<int> c) {
    std::vector<Coordinate> points;
    for (size_t i = 0; i < n; ++i) {
        points.push_back(Coordinate(r[i], c[i]));
    }
    std::sort(points.begin(), points.end());

    std::vector<Range> ranges;
    long long furthestStart = -1;
    long long furthestEnd = -1;
    for (size_t i = 0; i < points.size(); ++i) {
        Coordinate point = points[i];
        if (point.row > furthestStart && point.col > furthestEnd) {
            ranges.emplace_back(point.row, point.col);
            furthestStart = point.row;
            furthestEnd = point.col;
        }
    }

    std::vector<std::vector<long long>> dp;
    for (size_t range = 0; range < ranges.size(); ++range) {
        dp.emplace_back();
        for (size_t coverCount = 1; coverCount <= k; ++coverCount) {
            if (coverCount == 1 || range == 0) {
                dp[range].push_back((ranges[range].end - ranges[0].start + 1) * (ranges[range].end - ranges[0].start + 1));
                continue;
            }

            long long best = LLONG_MAX;
            for (size_t earlier = 0; earlier < range; ++earlier) {
                long long score = dp[earlier][coverCount - 2] + (ranges[range].end - ranges[earlier + 1].start + 1) * (ranges[range].end - ranges[earlier + 1].start + 1);
                if (ranges[range].start <= ranges[earlier].end) {
                    score -= (ranges[earlier].end - ranges[range].start + 1) * (ranges[earlier].end - ranges[range].start + 1);
                }
                if (score < best) {
                    best = score;
                }
            }
            dp[range].push_back(best);
        }
    }

    return dp[ranges.size() - 1][k - 1];
}

Compilation message

aliens.cpp: In function 'long long int take_photos(int, int, int, std::vector<int>, std::vector<int>)':
aliens.cpp:37:26: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   37 |     for (size_t i = 0; i < n; ++i) {
      |                        ~~^~~
aliens.cpp:57:48: warning: comparison of integer expressions of different signedness: 'size_t' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   57 |         for (size_t coverCount = 1; coverCount <= k; ++coverCount) {
      |                                     ~~~~~~~~~~~^~~~

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Correct answer: answer = 4
2 Correct 1 ms 348 KB Correct answer: answer = 4
3 Correct 0 ms 348 KB Correct answer: answer = 4
4 Correct 1 ms 348 KB Correct answer: answer = 12
5 Correct 0 ms 348 KB Correct answer: answer = 52
6 Correct 0 ms 348 KB Correct answer: answer = 210
7 Correct 0 ms 348 KB Correct answer: answer = 88
8 Correct 0 ms 348 KB Correct answer: answer = 7696
9 Correct 0 ms 344 KB Correct answer: answer = 1
10 Correct 0 ms 348 KB Correct answer: answer = 2374
11 Correct 0 ms 348 KB Correct answer: answer = 9502
12 Correct 0 ms 348 KB Correct answer: answer = 49
13 Correct 0 ms 348 KB Correct answer: answer = 151
14 Correct 1 ms 348 KB Correct answer: answer = 7550
15 Correct 0 ms 348 KB Correct answer: answer = 7220
16 Correct 1 ms 344 KB Correct answer: answer = 7550
17 Correct 1 ms 512 KB Correct answer: answer = 10000
18 Correct 1 ms 348 KB Correct answer: answer = 10000
19 Correct 0 ms 348 KB Correct answer: answer = 624
20 Correct 1 ms 348 KB Correct answer: answer = 10000

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 344 KB Correct answer: answer = 1
2 Correct 0 ms 348 KB Correct answer: answer = 4
3 Correct 0 ms 344 KB Correct answer: answer = 1
4 Correct 0 ms 348 KB Correct answer: answer = 5
5 Correct 0 ms 348 KB Correct answer: answer = 41
6 Correct 0 ms 348 KB Correct answer: answer = 71923
7 Correct 1 ms 420 KB Correct answer: answer = 77137
8 Correct 29 ms 1104 KB Correct answer: answer = 764
9 Correct 1 ms 348 KB Correct answer: answer = 250000
10 Correct 96 ms 2336 KB Correct answer: answer = 500
11 Correct 0 ms 348 KB Correct answer: answer = 32
12 Correct 1 ms 348 KB Correct answer: answer = 130050
13 Correct 9 ms 604 KB Correct answer: answer = 5110
14 Correct 2 ms 348 KB Correct answer: answer = 2626
15 Correct 4 ms 600 KB Correct answer: answer = 796
16 Correct 6 ms 600 KB Correct answer: answer = 7580
17 Correct 24 ms 1360 KB Correct answer: answer = 1904
18 Correct 1 ms 348 KB Correct answer: answer = 996004
19 Correct 3 ms 348 KB Correct answer: answer = 38817
20 Correct 11 ms 700 KB Correct answer: answer = 4096
21 Correct 0 ms 344 KB Correct answer: answer = 1
22 Correct 0 ms 348 KB Correct answer: answer = 1
23 Correct 22 ms 860 KB Correct answer: answer = 2040
24 Correct 1 ms 348 KB Correct answer: answer = 2

Subtask #3
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Correct answer: answer = 4
2 Correct 1 ms 348 KB Correct answer: answer = 4
3 Correct 0 ms 348 KB Correct answer: answer = 4
4 Correct 1 ms 348 KB Correct answer: answer = 12
5 Correct 0 ms 348 KB Correct answer: answer = 52
6 Correct 0 ms 348 KB Correct answer: answer = 210
7 Correct 0 ms 348 KB Correct answer: answer = 88
8 Correct 0 ms 348 KB Correct answer: answer = 7696
9 Correct 0 ms 344 KB Correct answer: answer = 1
10 Correct 0 ms 348 KB Correct answer: answer = 2374
11 Correct 0 ms 348 KB Correct answer: answer = 9502
12 Correct 0 ms 348 KB Correct answer: answer = 49
13 Correct 0 ms 348 KB Correct answer: answer = 151
14 Correct 1 ms 348 KB Correct answer: answer = 7550
15 Correct 0 ms 348 KB Correct answer: answer = 7220
16 Correct 1 ms 344 KB Correct answer: answer = 7550
17 Correct 1 ms 512 KB Correct answer: answer = 10000
18 Correct 1 ms 348 KB Correct answer: answer = 10000
19 Correct 0 ms 348 KB Correct answer: answer = 624
20 Correct 1 ms 348 KB Correct answer: answer = 10000
21 Correct 1 ms 344 KB Correct answer: answer = 1
22 Correct 0 ms 348 KB Correct answer: answer = 4
23 Correct 0 ms 344 KB Correct answer: answer = 1
24 Correct 0 ms 348 KB Correct answer: answer = 5
25 Correct 0 ms 348 KB Correct answer: answer = 41
26 Correct 0 ms 348 KB Correct answer: answer = 71923
27 Correct 1 ms 420 KB Correct answer: answer = 77137
28 Correct 29 ms 1104 KB Correct answer: answer = 764
29 Correct 1 ms 348 KB Correct answer: answer = 250000
30 Correct 96 ms 2336 KB Correct answer: answer = 500
31 Correct 0 ms 348 KB Correct answer: answer = 32
32 Correct 1 ms 348 KB Correct answer: answer = 130050
33 Correct 9 ms 604 KB Correct answer: answer = 5110
34 Correct 2 ms 348 KB Correct answer: answer = 2626
35 Correct 4 ms 600 KB Correct answer: answer = 796
36 Correct 6 ms 600 KB Correct answer: answer = 7580
37 Correct 24 ms 1360 KB Correct answer: answer = 1904
38 Correct 1 ms 348 KB Correct answer: answer = 996004
39 Correct 3 ms 348 KB Correct answer: answer = 38817
40 Correct 11 ms 700 KB Correct answer: answer = 4096
41 Correct 0 ms 344 KB Correct answer: answer = 1
42 Correct 0 ms 348 KB Correct answer: answer = 1
43 Correct 22 ms 860 KB Correct answer: answer = 2040
44 Correct 1 ms 348 KB Correct answer: answer = 2
45 Correct 0 ms 348 KB Correct answer: answer = 4
46 Correct 0 ms 348 KB Correct answer: answer = 9
47 Correct 0 ms 348 KB Correct answer: answer = 9
48 Correct 0 ms 344 KB Correct answer: answer = 21
49 Incorrect 0 ms 344 KB Wrong answer: output = 73, expected = 71
50 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Correct answer: answer = 4
2 Correct 1 ms 348 KB Correct answer: answer = 4
3 Correct 0 ms 348 KB Correct answer: answer = 4
4 Correct 1 ms 348 KB Correct answer: answer = 12
5 Correct 0 ms 348 KB Correct answer: answer = 52
6 Correct 0 ms 348 KB Correct answer: answer = 210
7 Correct 0 ms 348 KB Correct answer: answer = 88
8 Correct 0 ms 348 KB Correct answer: answer = 7696
9 Correct 0 ms 344 KB Correct answer: answer = 1
10 Correct 0 ms 348 KB Correct answer: answer = 2374
11 Correct 0 ms 348 KB Correct answer: answer = 9502
12 Correct 0 ms 348 KB Correct answer: answer = 49
13 Correct 0 ms 348 KB Correct answer: answer = 151
14 Correct 1 ms 348 KB Correct answer: answer = 7550
15 Correct 0 ms 348 KB Correct answer: answer = 7220
16 Correct 1 ms 344 KB Correct answer: answer = 7550
17 Correct 1 ms 512 KB Correct answer: answer = 10000
18 Correct 1 ms 348 KB Correct answer: answer = 10000
19 Correct 0 ms 348 KB Correct answer: answer = 624
20 Correct 1 ms 348 KB Correct answer: answer = 10000
21 Correct 1 ms 344 KB Correct answer: answer = 1
22 Correct 0 ms 348 KB Correct answer: answer = 4
23 Correct 0 ms 344 KB Correct answer: answer = 1
24 Correct 0 ms 348 KB Correct answer: answer = 5
25 Correct 0 ms 348 KB Correct answer: answer = 41
26 Correct 0 ms 348 KB Correct answer: answer = 71923
27 Correct 1 ms 420 KB Correct answer: answer = 77137
28 Correct 29 ms 1104 KB Correct answer: answer = 764
29 Correct 1 ms 348 KB Correct answer: answer = 250000
30 Correct 96 ms 2336 KB Correct answer: answer = 500
31 Correct 0 ms 348 KB Correct answer: answer = 32
32 Correct 1 ms 348 KB Correct answer: answer = 130050
33 Correct 9 ms 604 KB Correct answer: answer = 5110
34 Correct 2 ms 348 KB Correct answer: answer = 2626
35 Correct 4 ms 600 KB Correct answer: answer = 796
36 Correct 6 ms 600 KB Correct answer: answer = 7580
37 Correct 24 ms 1360 KB Correct answer: answer = 1904
38 Correct 1 ms 348 KB Correct answer: answer = 996004
39 Correct 3 ms 348 KB Correct answer: answer = 38817
40 Correct 11 ms 700 KB Correct answer: answer = 4096
41 Correct 0 ms 344 KB Correct answer: answer = 1
42 Correct 0 ms 348 KB Correct answer: answer = 1
43 Correct 22 ms 860 KB Correct answer: answer = 2040
44 Correct 1 ms 348 KB Correct answer: answer = 2
45 Correct 0 ms 348 KB Correct answer: answer = 4
46 Correct 0 ms 348 KB Correct answer: answer = 9
47 Correct 0 ms 348 KB Correct answer: answer = 9
48 Correct 0 ms 344 KB Correct answer: answer = 21
49 Incorrect 0 ms 344 KB Wrong answer: output = 73, expected = 71
50 Halted 0 ms 0 KB -

Subtask #5
0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Correct answer: answer = 4
2 Correct 1 ms 348 KB Correct answer: answer = 4
3 Correct 0 ms 348 KB Correct answer: answer = 4
4 Correct 1 ms 348 KB Correct answer: answer = 12
5 Correct 0 ms 348 KB Correct answer: answer = 52
6 Correct 0 ms 348 KB Correct answer: answer = 210
7 Correct 0 ms 348 KB Correct answer: answer = 88
8 Correct 0 ms 348 KB Correct answer: answer = 7696
9 Correct 0 ms 344 KB Correct answer: answer = 1
10 Correct 0 ms 348 KB Correct answer: answer = 2374
11 Correct 0 ms 348 KB Correct answer: answer = 9502
12 Correct 0 ms 348 KB Correct answer: answer = 49
13 Correct 0 ms 348 KB Correct answer: answer = 151
14 Correct 1 ms 348 KB Correct answer: answer = 7550
15 Correct 0 ms 348 KB Correct answer: answer = 7220
16 Correct 1 ms 344 KB Correct answer: answer = 7550
17 Correct 1 ms 512 KB Correct answer: answer = 10000
18 Correct 1 ms 348 KB Correct answer: answer = 10000
19 Correct 0 ms 348 KB Correct answer: answer = 624
20 Correct 1 ms 348 KB Correct answer: answer = 10000
21 Correct 1 ms 344 KB Correct answer: answer = 1
22 Correct 0 ms 348 KB Correct answer: answer = 4
23 Correct 0 ms 344 KB Correct answer: answer = 1
24 Correct 0 ms 348 KB Correct answer: answer = 5
25 Correct 0 ms 348 KB Correct answer: answer = 41
26 Correct 0 ms 348 KB Correct answer: answer = 71923
27 Correct 1 ms 420 KB Correct answer: answer = 77137
28 Correct 29 ms 1104 KB Correct answer: answer = 764
29 Correct 1 ms 348 KB Correct answer: answer = 250000
30 Correct 96 ms 2336 KB Correct answer: answer = 500
31 Correct 0 ms 348 KB Correct answer: answer = 32
32 Correct 1 ms 348 KB Correct answer: answer = 130050
33 Correct 9 ms 604 KB Correct answer: answer = 5110
34 Correct 2 ms 348 KB Correct answer: answer = 2626
35 Correct 4 ms 600 KB Correct answer: answer = 796
36 Correct 6 ms 600 KB Correct answer: answer = 7580
37 Correct 24 ms 1360 KB Correct answer: answer = 1904
38 Correct 1 ms 348 KB Correct answer: answer = 996004
39 Correct 3 ms 348 KB Correct answer: answer = 38817
40 Correct 11 ms 700 KB Correct answer: answer = 4096
41 Correct 0 ms 344 KB Correct answer: answer = 1
42 Correct 0 ms 348 KB Correct answer: answer = 1
43 Correct 22 ms 860 KB Correct answer: answer = 2040
44 Correct 1 ms 348 KB Correct answer: answer = 2
45 Correct 0 ms 348 KB Correct answer: answer = 4
46 Correct 0 ms 348 KB Correct answer: answer = 9
47 Correct 0 ms 348 KB Correct answer: answer = 9
48 Correct 0 ms 344 KB Correct answer: answer = 21
49 Incorrect 0 ms 344 KB Wrong answer: output = 73, expected = 71
50 Halted 0 ms 0 KB -

Subtask #6
0 / 40.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 344 KB Correct answer: answer = 4
2 Correct 1 ms 348 KB Correct answer: answer = 4
3 Correct 0 ms 348 KB Correct answer: answer = 4
4 Correct 1 ms 348 KB Correct answer: answer = 12
5 Correct 0 ms 348 KB Correct answer: answer = 52
6 Correct 0 ms 348 KB Correct answer: answer = 210
7 Correct 0 ms 348 KB Correct answer: answer = 88
8 Correct 0 ms 348 KB Correct answer: answer = 7696
9 Correct 0 ms 344 KB Correct answer: answer = 1
10 Correct 0 ms 348 KB Correct answer: answer = 2374
11 Correct 0 ms 348 KB Correct answer: answer = 9502
12 Correct 0 ms 348 KB Correct answer: answer = 49
13 Correct 0 ms 348 KB Correct answer: answer = 151
14 Correct 1 ms 348 KB Correct answer: answer = 7550
15 Correct 0 ms 348 KB Correct answer: answer = 7220
16 Correct 1 ms 344 KB Correct answer: answer = 7550
17 Correct 1 ms 512 KB Correct answer: answer = 10000
18 Correct 1 ms 348 KB Correct answer: answer = 10000
19 Correct 0 ms 348 KB Correct answer: answer = 624
20 Correct 1 ms 348 KB Correct answer: answer = 10000
21 Correct 1 ms 344 KB Correct answer: answer = 1
22 Correct 0 ms 348 KB Correct answer: answer = 4
23 Correct 0 ms 344 KB Correct answer: answer = 1
24 Correct 0 ms 348 KB Correct answer: answer = 5
25 Correct 0 ms 348 KB Correct answer: answer = 41
26 Correct 0 ms 348 KB Correct answer: answer = 71923
27 Correct 1 ms 420 KB Correct answer: answer = 77137
28 Correct 29 ms 1104 KB Correct answer: answer = 764
29 Correct 1 ms 348 KB Correct answer: answer = 250000
30 Correct 96 ms 2336 KB Correct answer: answer = 500
31 Correct 0 ms 348 KB Correct answer: answer = 32
32 Correct 1 ms 348 KB Correct answer: answer = 130050
33 Correct 9 ms 604 KB Correct answer: answer = 5110
34 Correct 2 ms 348 KB Correct answer: answer = 2626
35 Correct 4 ms 600 KB Correct answer: answer = 796
36 Correct 6 ms 600 KB Correct answer: answer = 7580
37 Correct 24 ms 1360 KB Correct answer: answer = 1904
38 Correct 1 ms 348 KB Correct answer: answer = 996004
39 Correct 3 ms 348 KB Correct answer: answer = 38817
40 Correct 11 ms 700 KB Correct answer: answer = 4096
41 Correct 0 ms 344 KB Correct answer: answer = 1
42 Correct 0 ms 348 KB Correct answer: answer = 1
43 Correct 22 ms 860 KB Correct answer: answer = 2040
44 Correct 1 ms 348 KB Correct answer: answer = 2
45 Correct 0 ms 348 KB Correct answer: answer = 4
46 Correct 0 ms 348 KB Correct answer: answer = 9
47 Correct 0 ms 348 KB Correct answer: answer = 9
48 Correct 0 ms 344 KB Correct answer: answer = 21
49 Incorrect 0 ms 344 KB Wrong answer: output = 73, expected = 71
50 Halted 0 ms 0 KB -