oj.uz

Submission #997911

# Submission time Handle Problem Language Result Execution time Memory
997911 2024-06-13T06:26:17 Z cpptowin Inspections (NOI23_inspections) C++17
55 / 100
 219 ms 112536 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) if(x > 0)
        {
            // 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 90712 KB Output is correct
2 Correct 12 ms 90716 KB Output is correct
3 Correct 15 ms 90716 KB Output is correct
4 Correct 15 ms 90716 KB Output is correct
5 Correct 13 ms 90732 KB Output is correct
6 Correct 13 ms 90712 KB Output is correct
7 Correct 14 ms 90712 KB Output is correct
8 Correct 12 ms 90716 KB Output is correct
9 Correct 17 ms 90756 KB Output is correct
10 Correct 12 ms 90716 KB Output is correct
11 Correct 13 ms 90648 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 90712 KB Output is correct
2 Correct 12 ms 90716 KB Output is correct
3 Correct 15 ms 90716 KB Output is correct
4 Correct 15 ms 90716 KB Output is correct
5 Correct 13 ms 90732 KB Output is correct
6 Correct 13 ms 90712 KB Output is correct
7 Correct 14 ms 90712 KB Output is correct
8 Correct 12 ms 90716 KB Output is correct
9 Correct 17 ms 90756 KB Output is correct
10 Correct 12 ms 90716 KB Output is correct
11 Correct 13 ms 90648 KB Output is correct
12 Correct 12 ms 90716 KB Output is correct
13 Correct 77 ms 95236 KB Output is correct
14 Correct 71 ms 94908 KB Output is correct
15 Correct 77 ms 95132 KB Output is correct
16 Correct 77 ms 95168 KB Output is correct
17 Correct 76 ms 95028 KB Output is correct
18 Correct 77 ms 94912 KB Output is correct
19 Correct 69 ms 95644 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 13 ms 90712 KB Output is correct
2 Correct 15 ms 90716 KB Output is correct
3 Correct 75 ms 95016 KB Output is correct
4 Correct 91 ms 95168 KB Output is correct
5 Incorrect 219 ms 112536 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 90712 KB Output is correct
2 Correct 12 ms 90716 KB Output is correct
3 Correct 15 ms 90716 KB Output is correct
4 Correct 15 ms 90716 KB Output is correct
5 Correct 13 ms 90732 KB Output is correct
6 Correct 13 ms 90712 KB Output is correct
7 Correct 14 ms 90712 KB Output is correct
8 Correct 12 ms 90716 KB Output is correct
9 Correct 17 ms 90756 KB Output is correct
10 Correct 12 ms 90716 KB Output is correct
11 Correct 13 ms 90648 KB Output is correct
12 Correct 12 ms 90716 KB Output is correct
13 Correct 77 ms 95236 KB Output is correct
14 Correct 71 ms 94908 KB Output is correct
15 Correct 77 ms 95132 KB Output is correct
16 Correct 77 ms 95168 KB Output is correct
17 Correct 76 ms 95028 KB Output is correct
18 Correct 77 ms 94912 KB Output is correct
19 Correct 69 ms 95644 KB Output is correct
20 Correct 80 ms 96256 KB Output is correct
21 Correct 73 ms 95420 KB Output is correct
22 Correct 78 ms 96256 KB Output is correct
23 Correct 75 ms 95448 KB Output is correct
24 Correct 75 ms 95176 KB Output is correct
25 Correct 77 ms 95328 KB Output is correct
26 Correct 72 ms 96516 KB Output is correct

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 90712 KB Output is correct
2 Correct 12 ms 90716 KB Output is correct
3 Correct 15 ms 90716 KB Output is correct
4 Correct 15 ms 90716 KB Output is correct
5 Correct 13 ms 90732 KB Output is correct
6 Correct 13 ms 90712 KB Output is correct
7 Correct 14 ms 90712 KB Output is correct
8 Correct 12 ms 90716 KB Output is correct
9 Correct 17 ms 90756 KB Output is correct
10 Correct 12 ms 90716 KB Output is correct
11 Correct 13 ms 90648 KB Output is correct
12 Correct 12 ms 90716 KB Output is correct
13 Correct 77 ms 95236 KB Output is correct
14 Correct 71 ms 94908 KB Output is correct
15 Correct 77 ms 95132 KB Output is correct
16 Correct 77 ms 95168 KB Output is correct
17 Correct 76 ms 95028 KB Output is correct
18 Correct 77 ms 94912 KB Output is correct
19 Correct 69 ms 95644 KB Output is correct
20 Correct 13 ms 90712 KB Output is correct
21 Correct 15 ms 90716 KB Output is correct
22 Correct 75 ms 95016 KB Output is correct
23 Correct 91 ms 95168 KB Output is correct
24 Incorrect 219 ms 112536 KB Output isn't correct
25 Halted 0 ms 0 KB -