oj.uz

Submission #550315

# Submission time Handle Problem Language Result Execution time Memory
550315 2022-04-17T20:40:54 Z BalintR Team Contest (JOI22_team) C++17
9 / 100
 61 ms 5488 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 = 10;
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
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 316 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Runtime error 1 ms 468 KB Execution killed with signal 11
15 Halted 0 ms 0 KB -

Subtask #2
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 316 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Runtime error 1 ms 468 KB Execution killed with signal 11
15 Halted 0 ms 0 KB -

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 320 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 316 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 224 KB Output is correct
11 Correct 48 ms 5172 KB Output is correct
12 Correct 32 ms 3064 KB Output is correct
13 Correct 36 ms 3728 KB Output is correct
14 Correct 61 ms 5488 KB Output is correct
15 Correct 54 ms 5216 KB Output is correct
16 Correct 42 ms 5340 KB Output is correct

Subtask #4
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 320 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 316 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 224 KB Output is correct
11 Correct 48 ms 5172 KB Output is correct
12 Correct 32 ms 3064 KB Output is correct
13 Correct 36 ms 3728 KB Output is correct
14 Correct 61 ms 5488 KB Output is correct
15 Correct 54 ms 5216 KB Output is correct
16 Correct 42 ms 5340 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Runtime error 1 ms 468 KB Execution killed with signal 11
21 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 320 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 316 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 224 KB Output is correct
11 Correct 48 ms 5172 KB Output is correct
12 Correct 32 ms 3064 KB Output is correct
13 Correct 36 ms 3728 KB Output is correct
14 Correct 61 ms 5488 KB Output is correct
15 Correct 54 ms 5216 KB Output is correct
16 Correct 42 ms 5340 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Runtime error 1 ms 468 KB Execution killed with signal 11
21 Halted 0 ms 0 KB -

Subtask #6
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 320 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 316 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 224 KB Output is correct
11 Correct 48 ms 5172 KB Output is correct
12 Correct 32 ms 3064 KB Output is correct
13 Correct 36 ms 3728 KB Output is correct
14 Correct 61 ms 5488 KB Output is correct
15 Correct 54 ms 5216 KB Output is correct
16 Correct 42 ms 5340 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Runtime error 1 ms 468 KB Execution killed with signal 11
21 Halted 0 ms 0 KB -

Subtask #7
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 316 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Runtime error 1 ms 468 KB Execution killed with signal 11
15 Halted 0 ms 0 KB -