oj.uz

Submission #550289

# Submission time Handle Problem Language Result Execution time Memory
550289 2022-04-17T19:45:45 Z BalintR Team Contest (JOI22_team) C++17
73 / 100
 2000 ms 46056 KB 
#include <bits/stdc++.h>
using namespace std;
#pragma GCC optimize "Ofast"
#pragma GCC target "avx2,avx2"
 
typedef unsigned uint;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<pii> vpii;
typedef complex<double> cmplx;
template <typename T> using minPq = priority_queue<T, vector<T>, greater<T>>;
#define boost() cin.sync_with_stdio(0); cin.tie(0)
#define ms(a, x) memset(a, x, sizeof(a))
#define pb push_back
#define fs first
#define sn second
#define ALL(v) (v).begin(), (v).end()
#define SZ(v) ((int) (v).size())
#define lbv(v, x) (lower_bound((v).begin(), (v).end(), x) - (v).begin())
#define ubv(v, x) (upper_bound((v).begin(), (v).end(), x) - (v).begin())
template <typename T> inline void UNIQUE(vector<T> &v){sort(ALL(v)); v.resize(unique(ALL(v)) - v.begin());}
const int INF = 0x3f3f3f3f;
const ll LLINF = 0x3f3f3f3f3f3f3f3f;
const double PI = acos(-1);
#define FR(i, n) for(int i = 0; i < (n); i++)
#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define FORR(i, a, b) for(int i = (a); i >= (b); i--)
#define dbg(x) {cout << #x << ' ' << x << endl;}
#define dbgArr(arr, n) {cout << #arr; FR(_i, n) cout << ' ' << arr[_i]; cout << endl;}
 
template<typename T, int MSZ>
struct SegTree {
    T data[MSZ*2];
    int sz = MSZ;
    static constexpr T unit = 0;
 
    inline T merge(T t1, T t2){
        return max(t1, t2);
    }
 
    void build(){
        for (int i = sz-1; i > 0; --i){
            data[i] = merge(data[i*2], data[i*2+1]);
        }
    }
 
    void update(int p, T v){
        p += sz;
        data[p] = max(data[p], v);
        for (; p >>= 1;){
            data[p] = merge(data[p*2], data[p*2+1]);
        }
    }
 
    // Query range [l, r)
    T query(int l, int r){
        T resL = unit, resR = unit;
        for (l += sz, r += sz; l < r; l >>= 1, r >>= 1) {
            if(l&1) resL = merge(resL, data[l++]);
            if(r&1) resR = merge(data[--r], resR);
        }
        return merge(resL, resR);
    }
 
    // Access the last layer of the segment tree
    inline T& operator[](int i){
        return data[i + sz];
    }
};
 
typedef array<int, 3> trip;
 
const int MN = 150005;
int n;
vector<trip> vec;
vi ys, zs;
SegTree<int, MN> mxZPref, mxYPref;
int mxZ[MN];
 
int main(){
    boost();
    cin >> n;
    FR(i, n){
        int a, b, c;
        cin >> a >> b >> c;
        vec.pb({a, b, c});
        ys.pb(b);
        zs.pb(c);
    }
 
    UNIQUE(vec);
    UNIQUE(ys);
    UNIQUE(zs);
    n = SZ(ys);
 
    int ans = -1;
    int lst = 0, prvX = vec[0][0];
 
    FR(i, SZ(vec)){
        if(vec[i][0] != prvX){
            FOR(j, lst, i){
                auto [x, y, z] = vec[j];
                int yPos = lbv(ys, y);
                int zPos = lbv(zs, z);
 
                int mz = mxZPref.query(0, yPos);
                if(mz > z) mxZ[yPos] = max(mxZ[yPos], mz);
                mxYPref.update(zPos, y);
 
                int mxY = mxYPref.query(0, zPos);
                if(mxY > y){
                    int yp1 = lbv(ys, mxY);
                    mxZ[yp1] = max(mxZ[yp1], z);
                }
                mxZPref.update(yPos, z);
            }
 
            prvX = vec[i][0];
            lst = i;
        }
 
        auto [x, y, z] = vec[i];
        int yPos = lbv(ys, y);
        int mxSum = 0;
 
        FOR(j, yPos+1, n) mxSum = max(mxSum, (ys[j] + mxZ[j]) * (mxZ[j] > z));
        if(mxSum) ans = max(ans, mxSum + x);
    }
 
    if(ans == -1) vi vec(1e7, 1234);
 
    cout << ans << '\n';
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 18 ms 39432 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 18 ms 39456 KB Output is correct
6 Correct 22 ms 39496 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 20 ms 39508 KB Output is correct
9 Correct 17 ms 39508 KB Output is correct
10 Correct 17 ms 39480 KB Output is correct
11 Correct 18 ms 39380 KB Output is correct
12 Correct 17 ms 39456 KB Output is correct
13 Correct 19 ms 39492 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 21 ms 39484 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 18 ms 39508 KB Output is correct
21 Correct 17 ms 39456 KB Output is correct
22 Correct 17 ms 39544 KB Output is correct
23 Correct 17 ms 39508 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct

Subtask #2
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 18 ms 39432 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 18 ms 39456 KB Output is correct
6 Correct 22 ms 39496 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 20 ms 39508 KB Output is correct
9 Correct 17 ms 39508 KB Output is correct
10 Correct 17 ms 39480 KB Output is correct
11 Correct 18 ms 39380 KB Output is correct
12 Correct 17 ms 39456 KB Output is correct
13 Correct 19 ms 39492 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 21 ms 39484 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 18 ms 39508 KB Output is correct
21 Correct 17 ms 39456 KB Output is correct
22 Correct 17 ms 39544 KB Output is correct
23 Correct 17 ms 39508 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 6 ms 596 KB Output is correct
27 Correct 6 ms 596 KB Output is correct
28 Correct 7 ms 580 KB Output is correct
29 Correct 21 ms 39704 KB Output is correct
30 Correct 3 ms 476 KB Output is correct
31 Correct 5 ms 468 KB Output is correct
32 Correct 20 ms 39596 KB Output is correct
33 Correct 19 ms 39736 KB Output is correct
34 Correct 22 ms 39792 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 3 ms 596 KB Output is correct
38 Correct 4 ms 596 KB Output is correct
39 Correct 2 ms 340 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 17 ms 39380 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 17 ms 39488 KB Output is correct
6 Correct 20 ms 39500 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 18 ms 39416 KB Output is correct
9 Correct 17 ms 39508 KB Output is correct
10 Correct 17 ms 39508 KB Output is correct
11 Correct 51 ms 4976 KB Output is correct
12 Correct 33 ms 3008 KB Output is correct
13 Correct 35 ms 3816 KB Output is correct
14 Correct 71 ms 44588 KB Output is correct
15 Correct 63 ms 44264 KB Output is correct
16 Correct 57 ms 44348 KB Output is correct

Subtask #4
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 17 ms 39380 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 17 ms 39488 KB Output is correct
6 Correct 20 ms 39500 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 18 ms 39416 KB Output is correct
9 Correct 17 ms 39508 KB Output is correct
10 Correct 17 ms 39508 KB Output is correct
11 Correct 51 ms 4976 KB Output is correct
12 Correct 33 ms 3008 KB Output is correct
13 Correct 35 ms 3816 KB Output is correct
14 Correct 71 ms 44588 KB Output is correct
15 Correct 63 ms 44264 KB Output is correct
16 Correct 57 ms 44348 KB Output is correct
17 Correct 16 ms 39356 KB Output is correct
18 Correct 17 ms 39380 KB Output is correct
19 Correct 17 ms 39508 KB Output is correct
20 Correct 18 ms 39500 KB Output is correct
21 Correct 2 ms 476 KB Output is correct
22 Correct 67 ms 5452 KB Output is correct
23 Correct 53 ms 5508 KB Output is correct
24 Correct 41 ms 3468 KB Output is correct
25 Correct 73 ms 44852 KB Output is correct
26 Correct 74 ms 44768 KB Output is correct

Subtask #5
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 17 ms 39380 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 17 ms 39488 KB Output is correct
6 Correct 20 ms 39500 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 18 ms 39416 KB Output is correct
9 Correct 17 ms 39508 KB Output is correct
10 Correct 17 ms 39508 KB Output is correct
11 Correct 51 ms 4976 KB Output is correct
12 Correct 33 ms 3008 KB Output is correct
13 Correct 35 ms 3816 KB Output is correct
14 Correct 71 ms 44588 KB Output is correct
15 Correct 63 ms 44264 KB Output is correct
16 Correct 57 ms 44348 KB Output is correct
17 Correct 16 ms 39356 KB Output is correct
18 Correct 17 ms 39380 KB Output is correct
19 Correct 17 ms 39508 KB Output is correct
20 Correct 18 ms 39500 KB Output is correct
21 Correct 2 ms 476 KB Output is correct
22 Correct 67 ms 5452 KB Output is correct
23 Correct 53 ms 5508 KB Output is correct
24 Correct 41 ms 3468 KB Output is correct
25 Correct 73 ms 44852 KB Output is correct
26 Correct 74 ms 44768 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 20 ms 39688 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 380 KB Output is correct
34 Correct 102 ms 5960 KB Output is correct
35 Correct 94 ms 5616 KB Output is correct
36 Correct 105 ms 5660 KB Output is correct
37 Correct 108 ms 45436 KB Output is correct
38 Correct 74 ms 44852 KB Output is correct
39 Correct 51 ms 42304 KB Output is correct

Subtask #6
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 17 ms 39380 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 17 ms 39488 KB Output is correct
6 Correct 20 ms 39500 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 18 ms 39416 KB Output is correct
9 Correct 17 ms 39508 KB Output is correct
10 Correct 17 ms 39508 KB Output is correct
11 Correct 51 ms 4976 KB Output is correct
12 Correct 33 ms 3008 KB Output is correct
13 Correct 35 ms 3816 KB Output is correct
14 Correct 71 ms 44588 KB Output is correct
15 Correct 63 ms 44264 KB Output is correct
16 Correct 57 ms 44348 KB Output is correct
17 Correct 16 ms 39356 KB Output is correct
18 Correct 17 ms 39380 KB Output is correct
19 Correct 17 ms 39508 KB Output is correct
20 Correct 18 ms 39500 KB Output is correct
21 Correct 2 ms 476 KB Output is correct
22 Correct 67 ms 5452 KB Output is correct
23 Correct 53 ms 5508 KB Output is correct
24 Correct 41 ms 3468 KB Output is correct
25 Correct 73 ms 44852 KB Output is correct
26 Correct 74 ms 44768 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 20 ms 39688 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 380 KB Output is correct
34 Correct 102 ms 5960 KB Output is correct
35 Correct 94 ms 5616 KB Output is correct
36 Correct 105 ms 5660 KB Output is correct
37 Correct 108 ms 45436 KB Output is correct
38 Correct 74 ms 44852 KB Output is correct
39 Correct 51 ms 42304 KB Output is correct
40 Correct 3 ms 468 KB Output is correct
41 Correct 5 ms 480 KB Output is correct
42 Correct 3 ms 468 KB Output is correct
43 Correct 5 ms 476 KB Output is correct
44 Correct 214 ms 6800 KB Output is correct
45 Correct 179 ms 6704 KB Output is correct
46 Correct 212 ms 6244 KB Output is correct
47 Correct 179 ms 46056 KB Output is correct
48 Correct 81 ms 45768 KB Output is correct

Subtask #7
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 18 ms 39432 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 18 ms 39456 KB Output is correct
6 Correct 22 ms 39496 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 20 ms 39508 KB Output is correct
9 Correct 17 ms 39508 KB Output is correct
10 Correct 17 ms 39480 KB Output is correct
11 Correct 18 ms 39380 KB Output is correct
12 Correct 17 ms 39456 KB Output is correct
13 Correct 19 ms 39492 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 21 ms 39484 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 18 ms 39508 KB Output is correct
21 Correct 17 ms 39456 KB Output is correct
22 Correct 17 ms 39544 KB Output is correct
23 Correct 17 ms 39508 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 6 ms 596 KB Output is correct
27 Correct 6 ms 596 KB Output is correct
28 Correct 7 ms 580 KB Output is correct
29 Correct 21 ms 39704 KB Output is correct
30 Correct 3 ms 476 KB Output is correct
31 Correct 5 ms 468 KB Output is correct
32 Correct 20 ms 39596 KB Output is correct
33 Correct 19 ms 39736 KB Output is correct
34 Correct 22 ms 39792 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 3 ms 596 KB Output is correct
38 Correct 4 ms 596 KB Output is correct
39 Correct 2 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 0 ms 340 KB Output is correct
42 Correct 17 ms 39380 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 17 ms 39488 KB Output is correct
45 Correct 20 ms 39500 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 18 ms 39416 KB Output is correct
48 Correct 17 ms 39508 KB Output is correct
49 Correct 17 ms 39508 KB Output is correct
50 Correct 51 ms 4976 KB Output is correct
51 Correct 33 ms 3008 KB Output is correct
52 Correct 35 ms 3816 KB Output is correct
53 Correct 71 ms 44588 KB Output is correct
54 Correct 63 ms 44264 KB Output is correct
55 Correct 57 ms 44348 KB Output is correct
56 Correct 16 ms 39356 KB Output is correct
57 Correct 17 ms 39380 KB Output is correct
58 Correct 17 ms 39508 KB Output is correct
59 Correct 18 ms 39500 KB Output is correct
60 Correct 2 ms 476 KB Output is correct
61 Correct 67 ms 5452 KB Output is correct
62 Correct 53 ms 5508 KB Output is correct
63 Correct 41 ms 3468 KB Output is correct
64 Correct 73 ms 44852 KB Output is correct
65 Correct 74 ms 44768 KB Output is correct
66 Correct 1 ms 340 KB Output is correct
67 Correct 1 ms 340 KB Output is correct
68 Correct 1 ms 340 KB Output is correct
69 Correct 1 ms 340 KB Output is correct
70 Correct 20 ms 39688 KB Output is correct
71 Correct 1 ms 340 KB Output is correct
72 Correct 1 ms 380 KB Output is correct
73 Correct 102 ms 5960 KB Output is correct
74 Correct 94 ms 5616 KB Output is correct
75 Correct 105 ms 5660 KB Output is correct
76 Correct 108 ms 45436 KB Output is correct
77 Correct 74 ms 44852 KB Output is correct
78 Correct 51 ms 42304 KB Output is correct
79 Correct 3 ms 468 KB Output is correct
80 Correct 5 ms 480 KB Output is correct
81 Correct 3 ms 468 KB Output is correct
82 Correct 5 ms 476 KB Output is correct
83 Correct 214 ms 6800 KB Output is correct
84 Correct 179 ms 6704 KB Output is correct
85 Correct 212 ms 6244 KB Output is correct
86 Correct 179 ms 46056 KB Output is correct
87 Correct 81 ms 45768 KB Output is correct
88 Execution timed out 2047 ms 10012 KB Time limit exceeded
89 Halted 0 ms 0 KB -