oj.uz

Submission #997918

# Submission time Handle Problem Language Result Execution time Memory
997918 2024-06-13T06:33:35 Z cpptowin Inspections (NOI23_inspections) C++17
55 / 100
 349 ms 192280 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 20000010
#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[200010], r[200010], s[200010];
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;
    }
    vi nen;
    int su[maxn];
    set<node> st;
    map<int,int> up;
    int p[200010];
    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[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[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[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[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 [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 it : up) if(it.fi > 0)
        {
            int x = lower_bound(all(nen), it.fi) - nen.begin() + 1;
            su[x] += it.se;
        }
        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:236:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  236 | 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:241:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  241 |         freopen(name ".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:242:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  242 |         freopen(name ".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 168528 KB Output is correct
2 Correct 38 ms 168528 KB Output is correct
3 Correct 38 ms 168528 KB Output is correct
4 Correct 37 ms 168512 KB Output is correct
5 Correct 38 ms 168528 KB Output is correct
6 Correct 39 ms 168532 KB Output is correct
7 Correct 53 ms 168528 KB Output is correct
8 Correct 38 ms 168528 KB Output is correct
9 Correct 39 ms 168540 KB Output is correct
10 Correct 38 ms 168528 KB Output is correct
11 Correct 39 ms 168560 KB Output is correct
12 Correct 37 ms 168540 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 168528 KB Output is correct
2 Correct 38 ms 168528 KB Output is correct
3 Correct 38 ms 168528 KB Output is correct
4 Correct 37 ms 168512 KB Output is correct
5 Correct 38 ms 168528 KB Output is correct
6 Correct 39 ms 168532 KB Output is correct
7 Correct 53 ms 168528 KB Output is correct
8 Correct 38 ms 168528 KB Output is correct
9 Correct 39 ms 168540 KB Output is correct
10 Correct 38 ms 168528 KB Output is correct
11 Correct 39 ms 168560 KB Output is correct
12 Correct 37 ms 168540 KB Output is correct
13 Correct 102 ms 170952 KB Output is correct
14 Correct 98 ms 170696 KB Output is correct
15 Correct 104 ms 170952 KB Output is correct
16 Correct 101 ms 171204 KB Output is correct
17 Correct 104 ms 170948 KB Output is correct
18 Correct 99 ms 170940 KB Output is correct
19 Correct 99 ms 171568 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 168544 KB Output is correct
2 Correct 39 ms 168648 KB Output is correct
3 Correct 101 ms 170868 KB Output is correct
4 Correct 115 ms 171212 KB Output is correct
5 Incorrect 349 ms 192280 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 48 ms 168528 KB Output is correct
2 Correct 38 ms 168528 KB Output is correct
3 Correct 38 ms 168528 KB Output is correct
4 Correct 37 ms 168512 KB Output is correct
5 Correct 38 ms 168528 KB Output is correct
6 Correct 39 ms 168532 KB Output is correct
7 Correct 53 ms 168528 KB Output is correct
8 Correct 38 ms 168528 KB Output is correct
9 Correct 39 ms 168540 KB Output is correct
10 Correct 38 ms 168528 KB Output is correct
11 Correct 39 ms 168560 KB Output is correct
12 Correct 37 ms 168540 KB Output is correct
13 Correct 102 ms 170952 KB Output is correct
14 Correct 98 ms 170696 KB Output is correct
15 Correct 104 ms 170952 KB Output is correct
16 Correct 101 ms 171204 KB Output is correct
17 Correct 104 ms 170948 KB Output is correct
18 Correct 99 ms 170940 KB Output is correct
19 Correct 99 ms 171568 KB Output is correct
20 Correct 105 ms 172480 KB Output is correct
21 Correct 98 ms 171204 KB Output is correct
22 Correct 99 ms 172212 KB Output is correct
23 Correct 96 ms 171328 KB Output is correct
24 Correct 96 ms 171092 KB Output is correct
25 Correct 102 ms 171232 KB Output is correct
26 Correct 106 ms 172508 KB Output is correct

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 168528 KB Output is correct
2 Correct 38 ms 168528 KB Output is correct
3 Correct 38 ms 168528 KB Output is correct
4 Correct 37 ms 168512 KB Output is correct
5 Correct 38 ms 168528 KB Output is correct
6 Correct 39 ms 168532 KB Output is correct
7 Correct 53 ms 168528 KB Output is correct
8 Correct 38 ms 168528 KB Output is correct
9 Correct 39 ms 168540 KB Output is correct
10 Correct 38 ms 168528 KB Output is correct
11 Correct 39 ms 168560 KB Output is correct
12 Correct 37 ms 168540 KB Output is correct
13 Correct 102 ms 170952 KB Output is correct
14 Correct 98 ms 170696 KB Output is correct
15 Correct 104 ms 170952 KB Output is correct
16 Correct 101 ms 171204 KB Output is correct
17 Correct 104 ms 170948 KB Output is correct
18 Correct 99 ms 170940 KB Output is correct
19 Correct 99 ms 171568 KB Output is correct
20 Correct 40 ms 168544 KB Output is correct
21 Correct 39 ms 168648 KB Output is correct
22 Correct 101 ms 170868 KB Output is correct
23 Correct 115 ms 171212 KB Output is correct
24 Incorrect 349 ms 192280 KB Output isn't correct
25 Halted 0 ms 0 KB -