oj.uz

Submission #998020

# Submission time Handle Problem Language Result Execution time Memory
998020 2024-06-13T08:14:57 Z cpptowin Inspections (NOI23_inspections) C++17
55 / 100
 178 ms 41664 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 2000010
#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[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, min(inf,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])
                {
                    if (w != inf)
                    {
                        up[p[i] + (u - l[i]) - w] += v - u + 1;
                    }
                    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, min(inf,w + r[i] + 1 - u)});
                    st.erase(it);
                    break;
                }
            }
            st.insert({l[i], r[i], p[i]});
        }
        fo(i,1,q)
            nen.pb(s[i] + 1);
        sort(all(nen));
        nen.erase(unique(all(nen)), nen.end());
        for (auto it : up) 
        {
            int x = upper_bound(all(nen), it.fi) - nen.begin();
            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:232:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  232 | 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:237:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  237 |         freopen(name ".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:238:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  238 |         freopen(name ".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 26972 KB Output is correct
2 Correct 4 ms 26972 KB Output is correct
3 Correct 4 ms 27120 KB Output is correct
4 Correct 4 ms 26972 KB Output is correct
5 Correct 4 ms 26972 KB Output is correct
6 Correct 4 ms 27144 KB Output is correct
7 Correct 4 ms 26968 KB Output is correct
8 Correct 4 ms 26972 KB Output is correct
9 Correct 5 ms 26972 KB Output is correct
10 Correct 4 ms 26972 KB Output is correct
11 Correct 4 ms 26972 KB Output is correct
12 Correct 4 ms 26972 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 26972 KB Output is correct
2 Correct 4 ms 26972 KB Output is correct
3 Correct 4 ms 27120 KB Output is correct
4 Correct 4 ms 26972 KB Output is correct
5 Correct 4 ms 26972 KB Output is correct
6 Correct 4 ms 27144 KB Output is correct
7 Correct 4 ms 26968 KB Output is correct
8 Correct 4 ms 26972 KB Output is correct
9 Correct 5 ms 26972 KB Output is correct
10 Correct 4 ms 26972 KB Output is correct
11 Correct 4 ms 26972 KB Output is correct
12 Correct 4 ms 26972 KB Output is correct
13 Correct 67 ms 29320 KB Output is correct
14 Correct 67 ms 29124 KB Output is correct
15 Correct 70 ms 29260 KB Output is correct
16 Correct 68 ms 29640 KB Output is correct
17 Correct 67 ms 29384 KB Output is correct
18 Correct 68 ms 29376 KB Output is correct
19 Correct 72 ms 30216 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 26972 KB Output is correct
2 Correct 4 ms 27104 KB Output is correct
3 Correct 70 ms 29372 KB Output is correct
4 Correct 71 ms 29636 KB Output is correct
5 Incorrect 178 ms 41664 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 4 ms 26972 KB Output is correct
2 Correct 4 ms 26972 KB Output is correct
3 Correct 4 ms 27120 KB Output is correct
4 Correct 4 ms 26972 KB Output is correct
5 Correct 4 ms 26972 KB Output is correct
6 Correct 4 ms 27144 KB Output is correct
7 Correct 4 ms 26968 KB Output is correct
8 Correct 4 ms 26972 KB Output is correct
9 Correct 5 ms 26972 KB Output is correct
10 Correct 4 ms 26972 KB Output is correct
11 Correct 4 ms 26972 KB Output is correct
12 Correct 4 ms 26972 KB Output is correct
13 Correct 67 ms 29320 KB Output is correct
14 Correct 67 ms 29124 KB Output is correct
15 Correct 70 ms 29260 KB Output is correct
16 Correct 68 ms 29640 KB Output is correct
17 Correct 67 ms 29384 KB Output is correct
18 Correct 68 ms 29376 KB Output is correct
19 Correct 72 ms 30216 KB Output is correct
20 Correct 84 ms 30712 KB Output is correct
21 Correct 59 ms 29632 KB Output is correct
22 Correct 72 ms 30644 KB Output is correct
23 Correct 67 ms 29864 KB Output is correct
24 Correct 64 ms 29464 KB Output is correct
25 Correct 69 ms 29640 KB Output is correct
26 Correct 63 ms 30908 KB Output is correct

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 26972 KB Output is correct
2 Correct 4 ms 26972 KB Output is correct
3 Correct 4 ms 27120 KB Output is correct
4 Correct 4 ms 26972 KB Output is correct
5 Correct 4 ms 26972 KB Output is correct
6 Correct 4 ms 27144 KB Output is correct
7 Correct 4 ms 26968 KB Output is correct
8 Correct 4 ms 26972 KB Output is correct
9 Correct 5 ms 26972 KB Output is correct
10 Correct 4 ms 26972 KB Output is correct
11 Correct 4 ms 26972 KB Output is correct
12 Correct 4 ms 26972 KB Output is correct
13 Correct 67 ms 29320 KB Output is correct
14 Correct 67 ms 29124 KB Output is correct
15 Correct 70 ms 29260 KB Output is correct
16 Correct 68 ms 29640 KB Output is correct
17 Correct 67 ms 29384 KB Output is correct
18 Correct 68 ms 29376 KB Output is correct
19 Correct 72 ms 30216 KB Output is correct
20 Correct 4 ms 26972 KB Output is correct
21 Correct 4 ms 27104 KB Output is correct
22 Correct 70 ms 29372 KB Output is correct
23 Correct 71 ms 29636 KB Output is correct
24 Incorrect 178 ms 41664 KB Output isn't correct
25 Halted 0 ms 0 KB -