oj.uz

Submission #997929

# Submission time Handle Problem Language Result Execution time Memory
997929 2024-06-13T06:47:21 Z cpptowin Inspections (NOI23_inspections) C++17
55 / 100
 299 ms 189936 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]});
        }
        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)
        {
            // cout << it.fi << "\n";
            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]] << ' ';
            // cout << s[i] << "\n";
        }
    }
}
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:237:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  237 | 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: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 ".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:243:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  243 |         freopen(name ".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 168532 KB Output is correct
2 Correct 42 ms 168528 KB Output is correct
3 Correct 42 ms 168580 KB Output is correct
4 Correct 41 ms 168528 KB Output is correct
5 Correct 41 ms 168528 KB Output is correct
6 Correct 40 ms 168540 KB Output is correct
7 Correct 40 ms 168624 KB Output is correct
8 Correct 40 ms 168532 KB Output is correct
9 Correct 43 ms 168532 KB Output is correct
10 Correct 42 ms 168532 KB Output is correct
11 Correct 41 ms 168532 KB Output is correct
12 Correct 41 ms 168532 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 168532 KB Output is correct
2 Correct 42 ms 168528 KB Output is correct
3 Correct 42 ms 168580 KB Output is correct
4 Correct 41 ms 168528 KB Output is correct
5 Correct 41 ms 168528 KB Output is correct
6 Correct 40 ms 168540 KB Output is correct
7 Correct 40 ms 168624 KB Output is correct
8 Correct 40 ms 168532 KB Output is correct
9 Correct 43 ms 168532 KB Output is correct
10 Correct 42 ms 168532 KB Output is correct
11 Correct 41 ms 168532 KB Output is correct
12 Correct 41 ms 168532 KB Output is correct
13 Correct 105 ms 171148 KB Output is correct
14 Correct 109 ms 170692 KB Output is correct
15 Correct 100 ms 170904 KB Output is correct
16 Correct 115 ms 171116 KB Output is correct
17 Correct 103 ms 170948 KB Output is correct
18 Correct 102 ms 170980 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 38 ms 168528 KB Output is correct
2 Correct 46 ms 168584 KB Output is correct
3 Correct 103 ms 170828 KB Output is correct
4 Correct 104 ms 171240 KB Output is correct
5 Incorrect 299 ms 189936 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 168532 KB Output is correct
2 Correct 42 ms 168528 KB Output is correct
3 Correct 42 ms 168580 KB Output is correct
4 Correct 41 ms 168528 KB Output is correct
5 Correct 41 ms 168528 KB Output is correct
6 Correct 40 ms 168540 KB Output is correct
7 Correct 40 ms 168624 KB Output is correct
8 Correct 40 ms 168532 KB Output is correct
9 Correct 43 ms 168532 KB Output is correct
10 Correct 42 ms 168532 KB Output is correct
11 Correct 41 ms 168532 KB Output is correct
12 Correct 41 ms 168532 KB Output is correct
13 Correct 105 ms 171148 KB Output is correct
14 Correct 109 ms 170692 KB Output is correct
15 Correct 100 ms 170904 KB Output is correct
16 Correct 115 ms 171116 KB Output is correct
17 Correct 103 ms 170948 KB Output is correct
18 Correct 102 ms 170980 KB Output is correct
19 Correct 99 ms 171568 KB Output is correct
20 Correct 105 ms 172476 KB Output is correct
21 Correct 98 ms 171200 KB Output is correct
22 Correct 105 ms 172228 KB Output is correct
23 Correct 106 ms 171456 KB Output is correct
24 Correct 103 ms 171100 KB Output is correct
25 Correct 106 ms 171204 KB Output is correct
26 Correct 99 ms 172592 KB Output is correct

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 48 ms 168532 KB Output is correct
2 Correct 42 ms 168528 KB Output is correct
3 Correct 42 ms 168580 KB Output is correct
4 Correct 41 ms 168528 KB Output is correct
5 Correct 41 ms 168528 KB Output is correct
6 Correct 40 ms 168540 KB Output is correct
7 Correct 40 ms 168624 KB Output is correct
8 Correct 40 ms 168532 KB Output is correct
9 Correct 43 ms 168532 KB Output is correct
10 Correct 42 ms 168532 KB Output is correct
11 Correct 41 ms 168532 KB Output is correct
12 Correct 41 ms 168532 KB Output is correct
13 Correct 105 ms 171148 KB Output is correct
14 Correct 109 ms 170692 KB Output is correct
15 Correct 100 ms 170904 KB Output is correct
16 Correct 115 ms 171116 KB Output is correct
17 Correct 103 ms 170948 KB Output is correct
18 Correct 102 ms 170980 KB Output is correct
19 Correct 99 ms 171568 KB Output is correct
20 Correct 38 ms 168528 KB Output is correct
21 Correct 46 ms 168584 KB Output is correct
22 Correct 103 ms 170828 KB Output is correct
23 Correct 104 ms 171240 KB Output is correct
24 Incorrect 299 ms 189936 KB Output isn't correct
25 Halted 0 ms 0 KB -