Box Stack II

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

using namespace std;

struct Box {
    int length, width, height;
    Box(int w, int l, int h) : length(l), width(w), height(h) {}
};

bool compare(Box& box1, Box& box2) {
    return (box1.length * box1.width) > (box2.length * box2.width);
}

int maxHeightBoxStacking(vector<Box>& boxes,int n) {
    vector<int> maxHeight(n, 0);
    sort(boxes.begin(), boxes.end(), compare);
    for (int i = 0; i < n; ++i) {
        maxHeight[i] = boxes[i].height;
        for (int j = 0; j < i; ++j) {
            if (boxes[i].width <= boxes[j].width and
                boxes[i].length <= boxes[j].length) {
                maxHeight[i] = max(maxHeight[i], maxHeight[j] + boxes[i].height);
            }
        }
    }

    int maxStackingHeight = 0;
    for (int i = 0; i < n; ++i) {
        maxStackingHeight = max(maxStackingHeight, maxHeight[i]);
    }

    return maxStackingHeight;
}

int main() {
    int n;
    cin >> n;
    vector<Box> v(n,{0,0,0});
    for(int i = 0; i < n; i++){
        int x,y,z;
        cin >> x >> y >> z;
        v[i].width = x;
        v[i].length = y;
        v[i].height = z;
    }
    cout<<maxHeightBoxStacking(v,n)<<endl;

    return 0;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED

Test 10

Verdict: ACCEPTED

Test 11

Verdict: ACCEPTED

Test 12

Verdict: ACCEPTED

Test 13

Verdict: ACCEPTED

Test 14

Verdict: ACCEPTED

Test 15

Verdict: ACCEPTED

Test 16

Verdict: ACCEPTED

Test 17

Verdict: ACCEPTED

Test 18

Verdict: ACCEPTED

Test 19

Verdict: ACCEPTED

Test 20

Verdict: ACCEPTED

Test 21

Verdict: ACCEPTED

Test 22

Verdict: ACCEPTED

Test 23

Verdict: ACCEPTED

Test 24

Verdict: ACCEPTED

Test 25

Verdict: ACCEPTED

Test 26

Verdict: ACCEPTED

Test 27

Verdict: ACCEPTED

Test 28

Verdict: ACCEPTED

Test 29

Verdict: ACCEPTED

Test 30

Verdict: ACCEPTED

Test 31

Verdict: ACCEPTED

Test 32

Verdict: WRONG ANSWER

Test 33

Verdict: WRONG ANSWER

Test 34

Verdict: WRONG ANSWER

Test 35

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Test 36

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Test 37

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Test 38

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Test 39

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Test 40

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Test 42

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Test 43

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Test 44

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Test 45

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Test 46

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Test 47

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Test 48

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Test 49

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Test 50

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Test 51

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Test 52

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Test 53

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Test 54

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Test 55

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Test 57

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Test 59

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Test 60

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Test 61

Verdict: WRONG ANSWER

Test 62

Verdict: TIME LIMIT EXCEEDED

Test 63

Verdict: TIME LIMIT EXCEEDED

Test 64

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Test 65

Verdict: TIME LIMIT EXCEEDED

Test 66

Verdict: TIME LIMIT EXCEEDED

Test 67

Verdict: TIME LIMIT EXCEEDED

Test 68

Verdict: TIME LIMIT EXCEEDED

Test 69

Verdict: TIME LIMIT EXCEEDED

Test 70

Verdict: TIME LIMIT EXCEEDED

Test 71

Verdict: TIME LIMIT EXCEEDED

Test 72

Verdict: TIME LIMIT EXCEEDED

Test 73

Verdict: TIME LIMIT EXCEEDED