oj.uz

Submission #997909

# Submission time Handle Problem Language Result Execution time Memory
997909 2024-06-13T06:25:07 Z cpptowin Inspections (NOI23_inspections) C++17
55 / 100
 200 ms 115240 KB 
#include <bits/stdc++.h>
#define fo(i, d, c) for (int i = d; i <= c; i++)
#define fod(i, c, d) for (int i = c; i >= d; i--)
#define maxn 10000010
#define N 5010
#define fi first
#define se second
#define pb emplace_back
#define en cout << "\n";
#define int long long
#define inf (int)1e9
#define pii pair<int, int>
#define vii vector<pii>
#define lb(x) x & -x
#define bit(i, j) ((i >> j) & 1)
#define offbit(i, j) (i ^ (1LL << j))
#define onbit(i, j) (i | (1LL << j))
#define vi vector<int>
#define all(x) x.begin(), x.end()
template <typename T1, typename T2>
bool minimize(T1 &a, T2 b)
{
    if (a > b)
    {
        a = b;
        return true;
    }
    return false;
}
template <typename T1, typename T2>
bool maximize(T1 &a, T2 b)
{
    if (a < b)
    {
        a = b;
        return true;
    }
    return false;
}
using namespace std;
const int nsqrt = 450;
const int mod = 1e9 + 7;
int n, m, q, l[maxn], r[maxn], s[maxn];
namespace sub2
{
    struct BIT
    {
        int t[maxn];
        void up(int x, int val)
        {
            for (; x; x -= lb(x))
                t[x] += val;
        }
        int get(int x)
        {
            int ans = 0;
            for (; x < maxn; x += lb(x))
                ans += t[x];
            return ans;
        }
    } t;
    vi adj[N];
    void solve()
    {
        vi v;
        fo(i, 1, m)
        {
            fo(j, l[i], r[i])
            {
                v.pb(j);
                adj[j].pb((int)v.size());
            }
        }
        fo(i, 1, q) minimize(s[i], v.size() + 5);
        fo(i, 1, n)
        {
            fo(j, 1, (int)adj[i].size() - 1)
            {
                t.up(adj[i][j] - adj[i][j - 1], 1);
            }
        }
        fo(i, 1, q) cout << t.get(s[i] + 1) << ' ';
    }
}
namespace sub4
{
    int su[maxn];
    vector<array<int, 3>> range;
    vi save;
    int p[maxn];
    void solve()
    {
        save.pb(1);
        fo(i, 1, m)
        {
            save.pb(l[i]);
            if (r[i] != n)
                save.pb(r[i] + 1);
        }
        sort(all(save));
        save.erase(unique(all(save)), save.end());
        fo(i, 0, (int)save.size() - 2)
            range.push_back({save[i], save[i + 1] - 1, inf});
        range.push_back({save.back(), n, inf});
        fo(i, 2, m) p[i] = p[i - 1] + r[i - 1] - l[i - 1] + 1;
        vi nen;
        vii up;
        fo(i, 1, m)
        {
            int sum = 0;
            int lb = lower_bound(all(save), l[i]) - save.begin();
            while (range[lb][1] <= r[i] and lb < range.size())
            {
                if (range[lb][2] != inf)
                {
                    nen.pb(p[i] - range[lb][2] + sum);
                    up.pb(p[i] - range[lb][2] + sum, range[lb][1] - range[lb][0] + 1);
                }
                range[lb][2] = p[i] + sum;
                sum += range[lb][1] - range[lb][0] + 1;
                lb++;
            }
        }
        fo(i, 1, q) nen.pb(s[i] + 1);
        sort(all(nen));
        nen.erase(unique(all(nen)), nen.end());
        for (auto [x, val] : up)
        {
            x = lower_bound(all(nen), x) - nen.begin() + 1;
            su[x] += val;
        }
        fod(i, maxn - 2, 0) su[i] += su[i + 1];
        fo(i, 1, q)
        {
            s[i] = lower_bound(all(nen), s[i] + 1) - nen.begin() + 1;
            cout << su[s[i]] << ' ';
        }
    }
}
namespace full
{
    struct node
    {
        int l, r, w;
    };
    bool operator<(node a, node b)
    {
        if (a.l != b.l)
            return a.l < b.l;
        if (a.r != b.r)
            return a.r < b.r;
        if (a.w != b.w)
            return a.w < b.w;
    }
    // struct cmp
    // {
    //     bool operator()(node a, node b)
    //     {
    //         return a.l < b.l or (a.l == b.l and a.r < b.r);
    //     }
    // };
    vi nen;
    int su[maxn];
    set<node> st;
    vii up;
    int p[maxn];
    void solve()
    {
        fo(i, 2, m) p[i] = p[i - 1] + r[i - 1] - l[i - 1] + 1;
        st.insert({1, n, inf});
        fo(i, 1, m)
        {
            auto it = st.upper_bound({l[i], inf, inf});
            if (it != st.begin())
                it = prev(it);
            if (it->r < l[i])
                it = next(it);
            while (it != st.end() and it->l <= r[i])
            {
                int u = it->l;
                int v = it->r;
                int w = it->w;
                if (u <= l[i] and v >= r[i])
                {
                    st.erase(it);
                    if (u != l[i])
                        st.insert({u, l[i] - 1, w});
                    if (v != r[i])
                        st.insert({r[i] + 1, v, w + r[i] + 1 - u});
                    if (w != inf)
                        up.pb(p[i] - (l[i] - u) - w, r[i] - l[i] + 1);
                    break;
                }
                else if (u >= l[i] and v <= r[i] and v - u < r[i] - l[i])
                {
                    if (w != inf)
                    {
                        // cout << u << ' ' << v << "\n";
                        // cout << l[i] << ' ' << r[i] << "\n";
                        up.pb(p[i] + (u - l[i]) - w, v - u + 1);
                        // cout << up.back().fi << ' ' << up.back().se << "\n";
                    }
                    it = next(it);
                    st.erase(prev(it));
                }
                else if (u < l[i] and v < r[i])
                {
                    if (w != inf)
                        up.pb(p[i] - (l[i] - u) - w, v - l[i] + 1);
                    st.erase(it);
                    st.insert({u, l[i] - 1, w});
                    it = st.lower_bound({l[i], inf, inf});
                }
                else if (u > l[i] and v > r[i])
                {
                    if (w != inf)
                        up.pb(p[i] + (u - l[i]) - w, r[i] - u + 1);
                    st.insert({r[i] + 1, v, w + r[i] + 1 - u});
                    st.erase(it);
                    break;
                }
            }
            st.insert({l[i], r[i], p[i]});
            // for (auto [u, v, w] : st)
                // cout << u << ' ' << v << ' ' << w << "\n";
        }
        for (auto [x, val] : up)
            nen.pb(x);
        fo(i, 1, q) nen.pb(s[i] + 1);
        sort(all(nen));
        nen.erase(unique(all(nen)), nen.end());
        for (auto [x, val] : up)
        {
            // cout << x << ' ' << val << "\n";
            x = lower_bound(all(nen), x) - nen.begin() + 1;
            su[x] += val;
        }
        fod(i, maxn - 2, 0) su[i] += su[i + 1];
        fo(i, 1, q)
        {
            s[i] = lower_bound(all(nen), s[i] + 1) - nen.begin() + 1;
            cout << su[s[i]] << ' ';
        }
    }
}
main()
{
#define name "TASK"
    if (fopen(name ".inp", "r"))
    {
        freopen(name ".inp", "r", stdin);
        freopen(name ".out", "w", stdout);
    }
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cin >> n >> m >> q;
    fo(i, 1, m) cin >> l[i] >> r[i];
    fo(i, 1, q) cin >> s[i];
    // if (n <= 2000 and m <= 2000 and q <= 2000)
    //     sub2::solve();
    // else if (m <= 2000)
    //     return sub4::solve(), 0;
    // else
    full::solve();
}

Compilation message

Main.cpp: In function 'void sub4::solve()':
Main.cpp:112:48: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::array<long long int, 3> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  112 |             while (range[lb][1] <= r[i] and lb < range.size())
      |                                             ~~~^~~~~~~~~~~~~~
Main.cpp: At global scope:
Main.cpp:246:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  246 | main()
      | ^~~~
Main.cpp: In instantiation of 'bool minimize(T1&, T2) [with T1 = long long int; T2 = long unsigned int]':
Main.cpp:74:48:   required from here
Main.cpp:23:11: warning: comparison of integer expressions of different signedness: 'long long int' and 'long unsigned int' [-Wsign-compare]
   23 |     if (a > b)
      |         ~~^~~
Main.cpp: In function 'bool full::operator<(full::node, full::node)':
Main.cpp:154:5: warning: control reaches end of non-void function [-Wreturn-type]
  154 |     }
      |     ^
Main.cpp: In function 'int main()':
Main.cpp:251:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  251 |         freopen(name ".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:252:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  252 |         freopen(name ".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 90716 KB Output is correct
2 Correct 12 ms 90716 KB Output is correct
3 Correct 13 ms 90624 KB Output is correct
4 Correct 13 ms 90716 KB Output is correct
5 Correct 12 ms 90660 KB Output is correct
6 Correct 11 ms 90716 KB Output is correct
7 Correct 12 ms 90716 KB Output is correct
8 Correct 12 ms 90596 KB Output is correct
9 Correct 12 ms 90716 KB Output is correct
10 Correct 11 ms 90716 KB Output is correct
11 Correct 11 ms 90652 KB Output is correct
12 Correct 12 ms 90716 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 90716 KB Output is correct
2 Correct 12 ms 90716 KB Output is correct
3 Correct 13 ms 90624 KB Output is correct
4 Correct 13 ms 90716 KB Output is correct
5 Correct 12 ms 90660 KB Output is correct
6 Correct 11 ms 90716 KB Output is correct
7 Correct 12 ms 90716 KB Output is correct
8 Correct 12 ms 90596 KB Output is correct
9 Correct 12 ms 90716 KB Output is correct
10 Correct 11 ms 90716 KB Output is correct
11 Correct 11 ms 90652 KB Output is correct
12 Correct 12 ms 90716 KB Output is correct
13 Correct 75 ms 96556 KB Output is correct
14 Correct 75 ms 96188 KB Output is correct
15 Correct 76 ms 96484 KB Output is correct
16 Correct 77 ms 96704 KB Output is correct
17 Correct 73 ms 96512 KB Output is correct
18 Correct 77 ms 96444 KB Output is correct
19 Correct 71 ms 96772 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 90712 KB Output is correct
2 Correct 13 ms 90712 KB Output is correct
3 Correct 77 ms 96444 KB Output is correct
4 Correct 86 ms 96960 KB Output is correct
5 Incorrect 200 ms 115240 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #4
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 90716 KB Output is correct
2 Correct 12 ms 90716 KB Output is correct
3 Correct 13 ms 90624 KB Output is correct
4 Correct 13 ms 90716 KB Output is correct
5 Correct 12 ms 90660 KB Output is correct
6 Correct 11 ms 90716 KB Output is correct
7 Correct 12 ms 90716 KB Output is correct
8 Correct 12 ms 90596 KB Output is correct
9 Correct 12 ms 90716 KB Output is correct
10 Correct 11 ms 90716 KB Output is correct
11 Correct 11 ms 90652 KB Output is correct
12 Correct 12 ms 90716 KB Output is correct
13 Correct 75 ms 96556 KB Output is correct
14 Correct 75 ms 96188 KB Output is correct
15 Correct 76 ms 96484 KB Output is correct
16 Correct 77 ms 96704 KB Output is correct
17 Correct 73 ms 96512 KB Output is correct
18 Correct 77 ms 96444 KB Output is correct
19 Correct 71 ms 96772 KB Output is correct
20 Correct 80 ms 97652 KB Output is correct
21 Correct 77 ms 97200 KB Output is correct
22 Correct 77 ms 97796 KB Output is correct
23 Correct 74 ms 96708 KB Output is correct
24 Correct 75 ms 96456 KB Output is correct
25 Correct 80 ms 96960 KB Output is correct
26 Correct 72 ms 97700 KB Output is correct

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 90716 KB Output is correct
2 Correct 12 ms 90716 KB Output is correct
3 Correct 13 ms 90624 KB Output is correct
4 Correct 13 ms 90716 KB Output is correct
5 Correct 12 ms 90660 KB Output is correct
6 Correct 11 ms 90716 KB Output is correct
7 Correct 12 ms 90716 KB Output is correct
8 Correct 12 ms 90596 KB Output is correct
9 Correct 12 ms 90716 KB Output is correct
10 Correct 11 ms 90716 KB Output is correct
11 Correct 11 ms 90652 KB Output is correct
12 Correct 12 ms 90716 KB Output is correct
13 Correct 75 ms 96556 KB Output is correct
14 Correct 75 ms 96188 KB Output is correct
15 Correct 76 ms 96484 KB Output is correct
16 Correct 77 ms 96704 KB Output is correct
17 Correct 73 ms 96512 KB Output is correct
18 Correct 77 ms 96444 KB Output is correct
19 Correct 71 ms 96772 KB Output is correct
20 Correct 12 ms 90712 KB Output is correct
21 Correct 13 ms 90712 KB Output is correct
22 Correct 77 ms 96444 KB Output is correct
23 Correct 86 ms 96960 KB Output is correct
24 Incorrect 200 ms 115240 KB Output isn't correct
25 Halted 0 ms 0 KB -