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답안 #550318

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
550318 2022-04-17T20:41:36 Z BalintR Team Contest (JOI22_team) C++17
100 / 100
 206 ms 10168 KB 
#include <bits/stdc++.h>
using namespace std;

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;}

typedef array<int, 3> trip;

const int MN = 150005;
int n;
vector<trip> vec;
vi ys, zs;
int mxZPref[MN], mxYPref[MN], mnYSuf[MN], mxAnsSuf[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];
    ms(mnYSuf, INF);

    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 = 0;
                for(int k = yPos; k; k -= k & -k) mz = max(mz, mxZPref[k]);
                if(mz > z) for(int k = MN-yPos-1; k < MN; k += k & -k) mxAnsSuf[k] = max(mxAnsSuf[k], y + mz);
                for(int k = zPos+1; k < MN; k += k & -k) mxYPref[k] = max(mxYPref[k], y);
                for(int k = MN-zPos-1; k < MN; k += k & -k) mnYSuf[k] = min(mnYSuf[k], yPos);

                int mxY = 0;
                for(int k = zPos; k; k -= k & -k) mxY = max(mxY, mxYPref[k]);
                if(mxY > y){
                    int yp1 = lbv(ys, mxY);
                    for(int k = MN-yp1-1; k < MN; k += k & -k) mxAnsSuf[k] = max(mxAnsSuf[k], mxY + z);
                }
                for(int k = yPos+1; k < MN; k += k & -k) mxZPref[k] = max(mxZPref[k], z);
            }

            prvX = vec[i][0];
            lst = i;
        }

        auto [x, y, z] = vec[i];
        int yPos = lbv(ys, y);
        int zPos = lbv(zs, z);

        int mnY = INF;
        for(int j = MN-zPos-2; j; j -= j & -j) mnY = min(mnY, mnYSuf[j]);

        int mxSum = 0;
        for(int j = MN-2-max(yPos, mnY); j > 0; j -= j & -j) mxSum = max(mxSum, mxAnsSuf[j]);
        if(mxSum) ans = max(ans, mxSum + x);
    }

    cout << ans << '\n';
}

Subtask #1
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 852 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 1 ms 852 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 980 KB Output is correct
11 Correct 1 ms 852 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 1 ms 980 KB Output is correct
14 Correct 1 ms 980 KB Output is correct
15 Correct 1 ms 980 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 1 ms 980 KB Output is correct
18 Correct 1 ms 980 KB Output is correct
19 Correct 1 ms 980 KB Output is correct
20 Correct 1 ms 980 KB Output is correct
21 Correct 1 ms 980 KB Output is correct
22 Correct 1 ms 980 KB Output is correct
23 Correct 1 ms 852 KB Output is correct
24 Correct 1 ms 980 KB Output is correct
25 Correct 1 ms 980 KB Output is correct

Subtask #2
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 852 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 1 ms 852 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 980 KB Output is correct
11 Correct 1 ms 852 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 1 ms 980 KB Output is correct
14 Correct 1 ms 980 KB Output is correct
15 Correct 1 ms 980 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 1 ms 980 KB Output is correct
18 Correct 1 ms 980 KB Output is correct
19 Correct 1 ms 980 KB Output is correct
20 Correct 1 ms 980 KB Output is correct
21 Correct 1 ms 980 KB Output is correct
22 Correct 1 ms 980 KB Output is correct
23 Correct 1 ms 852 KB Output is correct
24 Correct 1 ms 980 KB Output is correct
25 Correct 1 ms 980 KB Output is correct
26 Correct 5 ms 1108 KB Output is correct
27 Correct 5 ms 1108 KB Output is correct
28 Correct 4 ms 1188 KB Output is correct
29 Correct 4 ms 1108 KB Output is correct
30 Correct 3 ms 1108 KB Output is correct
31 Correct 4 ms 1108 KB Output is correct
32 Correct 3 ms 1112 KB Output is correct
33 Correct 3 ms 1108 KB Output is correct
34 Correct 4 ms 1108 KB Output is correct
35 Correct 2 ms 972 KB Output is correct
36 Correct 1 ms 980 KB Output is correct
37 Correct 3 ms 1108 KB Output is correct
38 Correct 4 ms 1044 KB Output is correct
39 Correct 2 ms 980 KB Output is correct

Subtask #3
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 852 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 1 ms 852 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 980 KB Output is correct
11 Correct 49 ms 5272 KB Output is correct
12 Correct 30 ms 3388 KB Output is correct
13 Correct 33 ms 3772 KB Output is correct
14 Correct 48 ms 5224 KB Output is correct
15 Correct 43 ms 5268 KB Output is correct
16 Correct 38 ms 5196 KB Output is correct

Subtask #4
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 852 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 1 ms 852 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 980 KB Output is correct
11 Correct 49 ms 5272 KB Output is correct
12 Correct 30 ms 3388 KB Output is correct
13 Correct 33 ms 3772 KB Output is correct
14 Correct 48 ms 5224 KB Output is correct
15 Correct 43 ms 5268 KB Output is correct
16 Correct 38 ms 5196 KB Output is correct
17 Correct 1 ms 852 KB Output is correct
18 Correct 1 ms 852 KB Output is correct
19 Correct 1 ms 980 KB Output is correct
20 Correct 1 ms 980 KB Output is correct
21 Correct 2 ms 980 KB Output is correct
22 Correct 60 ms 5972 KB Output is correct
23 Correct 54 ms 6032 KB Output is correct
24 Correct 39 ms 4084 KB Output is correct
25 Correct 56 ms 6304 KB Output is correct
26 Correct 48 ms 6248 KB Output is correct

Subtask #5
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 852 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 1 ms 852 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 980 KB Output is correct
11 Correct 49 ms 5272 KB Output is correct
12 Correct 30 ms 3388 KB Output is correct
13 Correct 33 ms 3772 KB Output is correct
14 Correct 48 ms 5224 KB Output is correct
15 Correct 43 ms 5268 KB Output is correct
16 Correct 38 ms 5196 KB Output is correct
17 Correct 1 ms 852 KB Output is correct
18 Correct 1 ms 852 KB Output is correct
19 Correct 1 ms 980 KB Output is correct
20 Correct 1 ms 980 KB Output is correct
21 Correct 2 ms 980 KB Output is correct
22 Correct 60 ms 5972 KB Output is correct
23 Correct 54 ms 6032 KB Output is correct
24 Correct 39 ms 4084 KB Output is correct
25 Correct 56 ms 6304 KB Output is correct
26 Correct 48 ms 6248 KB Output is correct
27 Correct 1 ms 980 KB Output is correct
28 Correct 1 ms 980 KB Output is correct
29 Correct 1 ms 980 KB Output is correct
30 Correct 1 ms 980 KB Output is correct
31 Correct 4 ms 1108 KB Output is correct
32 Correct 1 ms 972 KB Output is correct
33 Correct 1 ms 980 KB Output is correct
34 Correct 115 ms 6316 KB Output is correct
35 Correct 94 ms 6132 KB Output is correct
36 Correct 102 ms 6312 KB Output is correct
37 Correct 83 ms 6528 KB Output is correct
38 Correct 53 ms 6348 KB Output is correct
39 Correct 31 ms 3724 KB Output is correct

Subtask #6
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 852 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 1 ms 852 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 980 KB Output is correct
11 Correct 49 ms 5272 KB Output is correct
12 Correct 30 ms 3388 KB Output is correct
13 Correct 33 ms 3772 KB Output is correct
14 Correct 48 ms 5224 KB Output is correct
15 Correct 43 ms 5268 KB Output is correct
16 Correct 38 ms 5196 KB Output is correct
17 Correct 1 ms 852 KB Output is correct
18 Correct 1 ms 852 KB Output is correct
19 Correct 1 ms 980 KB Output is correct
20 Correct 1 ms 980 KB Output is correct
21 Correct 2 ms 980 KB Output is correct
22 Correct 60 ms 5972 KB Output is correct
23 Correct 54 ms 6032 KB Output is correct
24 Correct 39 ms 4084 KB Output is correct
25 Correct 56 ms 6304 KB Output is correct
26 Correct 48 ms 6248 KB Output is correct
27 Correct 1 ms 980 KB Output is correct
28 Correct 1 ms 980 KB Output is correct
29 Correct 1 ms 980 KB Output is correct
30 Correct 1 ms 980 KB Output is correct
31 Correct 4 ms 1108 KB Output is correct
32 Correct 1 ms 972 KB Output is correct
33 Correct 1 ms 980 KB Output is correct
34 Correct 115 ms 6316 KB Output is correct
35 Correct 94 ms 6132 KB Output is correct
36 Correct 102 ms 6312 KB Output is correct
37 Correct 83 ms 6528 KB Output is correct
38 Correct 53 ms 6348 KB Output is correct
39 Correct 31 ms 3724 KB Output is correct
40 Correct 3 ms 1108 KB Output is correct
41 Correct 4 ms 1108 KB Output is correct
42 Correct 3 ms 1100 KB Output is correct
43 Correct 3 ms 1108 KB Output is correct
44 Correct 145 ms 6600 KB Output is correct
45 Correct 128 ms 6592 KB Output is correct
46 Correct 137 ms 6624 KB Output is correct
47 Correct 136 ms 6596 KB Output is correct
48 Correct 62 ms 6552 KB Output is correct

Subtask #7
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 1 ms 980 KB Output is correct
3 Correct 1 ms 852 KB Output is correct
4 Correct 1 ms 980 KB Output is correct
5 Correct 1 ms 980 KB Output is correct
6 Correct 1 ms 980 KB Output is correct
7 Correct 1 ms 980 KB Output is correct
8 Correct 1 ms 852 KB Output is correct
9 Correct 1 ms 980 KB Output is correct
10 Correct 1 ms 980 KB Output is correct
11 Correct 1 ms 852 KB Output is correct
12 Correct 1 ms 852 KB Output is correct
13 Correct 1 ms 980 KB Output is correct
14 Correct 1 ms 980 KB Output is correct
15 Correct 1 ms 980 KB Output is correct
16 Correct 1 ms 980 KB Output is correct
17 Correct 1 ms 980 KB Output is correct
18 Correct 1 ms 980 KB Output is correct
19 Correct 1 ms 980 KB Output is correct
20 Correct 1 ms 980 KB Output is correct
21 Correct 1 ms 980 KB Output is correct
22 Correct 1 ms 980 KB Output is correct
23 Correct 1 ms 852 KB Output is correct
24 Correct 1 ms 980 KB Output is correct
25 Correct 1 ms 980 KB Output is correct
26 Correct 5 ms 1108 KB Output is correct
27 Correct 5 ms 1108 KB Output is correct
28 Correct 4 ms 1188 KB Output is correct
29 Correct 4 ms 1108 KB Output is correct
30 Correct 3 ms 1108 KB Output is correct
31 Correct 4 ms 1108 KB Output is correct
32 Correct 3 ms 1112 KB Output is correct
33 Correct 3 ms 1108 KB Output is correct
34 Correct 4 ms 1108 KB Output is correct
35 Correct 2 ms 972 KB Output is correct
36 Correct 1 ms 980 KB Output is correct
37 Correct 3 ms 1108 KB Output is correct
38 Correct 4 ms 1044 KB Output is correct
39 Correct 2 ms 980 KB Output is correct
40 Correct 1 ms 980 KB Output is correct
41 Correct 1 ms 980 KB Output is correct
42 Correct 1 ms 852 KB Output is correct
43 Correct 1 ms 980 KB Output is correct
44 Correct 1 ms 980 KB Output is correct
45 Correct 1 ms 980 KB Output is correct
46 Correct 1 ms 980 KB Output is correct
47 Correct 1 ms 852 KB Output is correct
48 Correct 1 ms 980 KB Output is correct
49 Correct 1 ms 980 KB Output is correct
50 Correct 49 ms 5272 KB Output is correct
51 Correct 30 ms 3388 KB Output is correct
52 Correct 33 ms 3772 KB Output is correct
53 Correct 48 ms 5224 KB Output is correct
54 Correct 43 ms 5268 KB Output is correct
55 Correct 38 ms 5196 KB Output is correct
56 Correct 1 ms 852 KB Output is correct
57 Correct 1 ms 852 KB Output is correct
58 Correct 1 ms 980 KB Output is correct
59 Correct 1 ms 980 KB Output is correct
60 Correct 2 ms 980 KB Output is correct
61 Correct 60 ms 5972 KB Output is correct
62 Correct 54 ms 6032 KB Output is correct
63 Correct 39 ms 4084 KB Output is correct
64 Correct 56 ms 6304 KB Output is correct
65 Correct 48 ms 6248 KB Output is correct
66 Correct 1 ms 980 KB Output is correct
67 Correct 1 ms 980 KB Output is correct
68 Correct 1 ms 980 KB Output is correct
69 Correct 1 ms 980 KB Output is correct
70 Correct 4 ms 1108 KB Output is correct
71 Correct 1 ms 972 KB Output is correct
72 Correct 1 ms 980 KB Output is correct
73 Correct 115 ms 6316 KB Output is correct
74 Correct 94 ms 6132 KB Output is correct
75 Correct 102 ms 6312 KB Output is correct
76 Correct 83 ms 6528 KB Output is correct
77 Correct 53 ms 6348 KB Output is correct
78 Correct 31 ms 3724 KB Output is correct
79 Correct 3 ms 1108 KB Output is correct
80 Correct 4 ms 1108 KB Output is correct
81 Correct 3 ms 1100 KB Output is correct
82 Correct 3 ms 1108 KB Output is correct
83 Correct 145 ms 6600 KB Output is correct
84 Correct 128 ms 6592 KB Output is correct
85 Correct 137 ms 6624 KB Output is correct
86 Correct 136 ms 6596 KB Output is correct
87 Correct 62 ms 6552 KB Output is correct
88 Correct 206 ms 8320 KB Output is correct
89 Correct 186 ms 8300 KB Output is correct
90 Correct 206 ms 10168 KB Output is correct
91 Correct 165 ms 7660 KB Output is correct
92 Correct 164 ms 7140 KB Output is correct
93 Correct 176 ms 8940 KB Output is correct
94 Correct 162 ms 8504 KB Output is correct
95 Correct 93 ms 8984 KB Output is correct
96 Correct 126 ms 9960 KB Output is correct
97 Correct 74 ms 7812 KB Output is correct
98 Correct 91 ms 8172 KB Output is correct
99 Correct 132 ms 8132 KB Output is correct