oj.uz

Submission #166138

# Submission time Handle Problem Language Result Execution time Memory
166138 2019-11-30T22:32:37 Z tri Wall (IOI14_wall) C++14
100 / 100
 795 ms 75216 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef long double ld;
typedef pair<int, int> pi;
typedef pair<ll, ll> pl;

typedef vector<int> vi;
typedef vector<ld> vd;
typedef vector<ll> vl;

#define pb push_back
#define f first
#define s second

namespace debug {
    const int DEBUG = true;

    template<class T1, class T2>
    void pr(const pair<T1, T2> &x);

    template<class T, size_t SZ>
    void pr(const array<T, SZ> &x);

    template<class T>
    void pr(const vector<T> &x);

    template<class T>
    void pr(const set<T> &x);

    template<class T1, class T2>
    void pr(const map<T1, T2> &x);

    template<class T>
    void pr(const T &x) { if (DEBUG) cout << x; }

    template<class T, class... Ts>
    void pr(const T &first, const Ts &... rest) { pr(first), pr(rest...); }

    template<class T1, class T2>
    void pr(const pair<T1, T2> &x) { pr("{", x.f, ", ", x.s, "}"); }

    template<class T>
    void prIn(const T &x) {
        pr("{");
        bool fst = 1;
        for (auto &a : x) {
            pr(fst ? "" : ", ", a), fst = 0;
        }
        pr("}");
    }

    template<class T, size_t SZ>
    void pr(const array<T, SZ> &x) { prIn(x); }

    template<class T>
    void pr(const vector<T> &x) { prIn(x); }

    template<class T>
    void pr(const set<T> &x) { prIn(x); }

    template<class T1, class T2>
    void pr(const map<T1, T2> &x) { prIn(x); }

    void ps() { pr("\n"), cout << flush; }

    template<class Arg, class... Args>
    void ps(const Arg &first, const Args &... rest) {
        pr(first, " ");
        ps(rest...);
    }
}
using namespace debug;

const int MAXN = 2000100;

struct Restrict {
    int l, u;

    Restrict operator+(Restrict o) {
        int nL = max(l, o.l);
        int nU = max(u, o.l);
        nU = min(nU, o.u);
        nL = min(nL, o.u);
        return {nL, nU};
    }

    void operator+=(Restrict o) {
        int nL = max(l, o.l);
        int nU = max(u, o.l);
        nU = min(nU, o.u);
        nL = min(nL, o.u);
        l = nL;
        u = nU;
    }

    bool operator==(Restrict o) {
        return l == o.l && u == o.u;
    }
};

Restrict ID = {(int) -1e9, (int) 1e9};

struct SegTr {
    Restrict tr[4 * MAXN];

    void push(int i, int l, int r) {
        if (tr[i] == ID || l == r) return;
        tr[i * 2] += tr[i];
        tr[i * 2 + 1] += tr[i];
        tr[i] = ID;
    }

    void u(int i, int l, int r, int s, int e, Restrict d) {
        if (e < l || r < s) {
            return;
        }
        if (s <= l && r <= e) {
            tr[i] += d;
            return;
        }
        push(i, l, r);
        int mid = (l + r) / 2;
        u(i * 2, l, mid, s, e, d);
        u(i * 2 + 1, mid + 1, r, s, e, d);
    }

    void init(int i, int l, int r) {
        tr[i] = ID;
        if (l != r) {
            int mid = (l + r) / 2;
            init(i * 2, l, mid);
            init(i * 2 + 1, mid + 1, r);
        }
    }

    void output(int i, int l, int r, vector<Restrict> &out) {
        if (l == r) {
            out.pb(tr[i]);
        } else {
            if (!(tr[i] == ID)) {
                tr[i * 2] += tr[i];
                tr[i * 2 + 1] += tr[i];
            }

            int mid = (l + r) / 2;
            output(i * 2, l, mid, out);
            output(i * 2 + 1, mid + 1, r, out);
        }
    }

} segTr;

int N;

void buildWall(int n, int k, int op[], int left[], int right[],
               int height[], int finalHeight[]) {
    N = n;
    int Q = k;

    segTr.init(1, 1, N);

    for (int i = 0; i < Q; i++) {
        if (op[i] == 1) {
            segTr.u(1, 1, N, left[i] + 1, right[i] + 1, {height[i], (int) 1e9});
        } else {
            segTr.u(1, 1, N, left[i] + 1, right[i] + 1, {(int) -1e9, height[i]});
        }
    }

    vector<Restrict> restrictions;
    segTr.output(1, 1, N, restrictions);

    for (int i = 0; i < N; i++) {
        Restrict final = {0, 0};
        final += restrictions[i];
//        ps(restrictions[i].l);
//        ps(restrictions[i].u);
        assert(final.l == final.u);
        finalHeight[i] = final.l;
    }
}

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 4 ms 504 KB Output is correct
3 Correct 4 ms 376 KB Output is correct
4 Correct 9 ms 1016 KB Output is correct
5 Correct 7 ms 1020 KB Output is correct
6 Correct 7 ms 1060 KB Output is correct

Subtask #2
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 175 ms 13984 KB Output is correct
3 Correct 237 ms 8312 KB Output is correct
4 Correct 596 ms 21272 KB Output is correct
5 Correct 288 ms 21740 KB Output is correct
6 Correct 275 ms 20220 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 4 ms 492 KB Output is correct
3 Correct 3 ms 376 KB Output is correct
4 Correct 10 ms 1060 KB Output is correct
5 Correct 7 ms 1016 KB Output is correct
6 Correct 7 ms 1016 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 179 ms 14072 KB Output is correct
9 Correct 238 ms 8424 KB Output is correct
10 Correct 600 ms 21248 KB Output is correct
11 Correct 290 ms 21724 KB Output is correct
12 Correct 302 ms 20076 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 180 ms 14072 KB Output is correct
15 Correct 43 ms 2296 KB Output is correct
16 Correct 795 ms 21100 KB Output is correct
17 Correct 284 ms 20712 KB Output is correct
18 Correct 284 ms 20704 KB Output is correct

Subtask #4
39.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 252 KB Output is correct
2 Correct 4 ms 376 KB Output is correct
3 Correct 1 ms 376 KB Output is correct
4 Correct 10 ms 1016 KB Output is correct
5 Correct 7 ms 1060 KB Output is correct
6 Correct 7 ms 1016 KB Output is correct
7 Correct 2 ms 380 KB Output is correct
8 Correct 175 ms 14040 KB Output is correct
9 Correct 237 ms 8440 KB Output is correct
10 Correct 582 ms 21208 KB Output is correct
11 Correct 286 ms 21628 KB Output is correct
12 Correct 273 ms 20076 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 178 ms 13944 KB Output is correct
15 Correct 43 ms 2424 KB Output is correct
16 Correct 767 ms 21120 KB Output is correct
17 Correct 286 ms 20588 KB Output is correct
18 Correct 284 ms 20588 KB Output is correct
19 Correct 688 ms 75076 KB Output is correct
20 Correct 695 ms 75072 KB Output is correct
21 Correct 684 ms 75172 KB Output is correct
22 Correct 681 ms 75116 KB Output is correct
23 Correct 672 ms 75072 KB Output is correct
24 Correct 725 ms 75204 KB Output is correct
25 Correct 669 ms 75028 KB Output is correct
26 Correct 681 ms 75216 KB Output is correct
27 Correct 688 ms 75108 KB Output is correct
28 Correct 671 ms 75072 KB Output is correct
29 Correct 669 ms 75128 KB Output is correct
30 Correct 678 ms 75172 KB Output is correct