oj.uz

Submission #997662

# Submission time Handle Problem Language Result Execution time Memory
997662 2024-06-12T16:40:26 Z cpptowin Inspections (NOI23_inspections) C++17
29 / 100
 1357 ms 1048576 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 4000010
#define N 5010
#define fi first
#define se second
#define pb emplace_back
#define en cout << "\n";
#define int long long
#define inf (int)1e18
#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
{
    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;
    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());
        // for (int it : save)
            // cout << it << ' ';
        // en;
        fo(i, 0, (int)save.size() - 2)
        {
            range.push_back({save[i], save[i + 1] - 1, inf});
        }
        range.push_back({save.back(), n, inf});
        // for (auto [l, r, w] : range)
            // cout << l << ' ' << r << ' ' << w << "\n";
        fo(i, 2, m) p[i] = p[i - 1] + r[i - 1] - l[i - 1] + 1;
        // cout << range.size();en;
        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())
            {
                // cout << lb << ' ' << range[lb][2] << "\n";
                if (range[lb][2] != inf)
                {
                    // cout << l[i] << ' ' << r[i] << ' ' << range[lb][2] << "\n";
                    // cout << p[i] - range[lb][2] + sum;
                    // en;
                    t.up(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++;
            }
            // cout << lb << "xxxxx\n";
        }
        fo(i, 1, q) cout << t.get(s[i] + 1) << ' ';
    }
}
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 (m <= 200)
        return sub4::solve(), 0;
    sub2::solve();
}

Compilation message

Main.cpp: In function 'void sub4::solve()':
Main.cpp:133:48: 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]
  133 |             while (range[lb][1] <= r[i] and lb < range.size())
      |                                             ~~~^~~~~~~~~~~~~~
Main.cpp: At global scope:
Main.cpp:152:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  152 | 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 'int main()':
Main.cpp:157:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  157 |         freopen(name ".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:158:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  158 |         freopen(name ".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 10584 KB Output is correct
2 Correct 2 ms 10588 KB Output is correct
3 Correct 1 ms 10588 KB Output is correct
4 Correct 1 ms 10588 KB Output is correct
5 Correct 3 ms 10588 KB Output is correct
6 Correct 2 ms 10728 KB Output is correct
7 Correct 1 ms 10588 KB Output is correct
8 Correct 1 ms 10588 KB Output is correct
9 Correct 2 ms 10588 KB Output is correct
10 Correct 1 ms 10588 KB Output is correct
11 Correct 1 ms 10588 KB Output is correct
12 Correct 1 ms 10588 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 10584 KB Output is correct
2 Correct 2 ms 10588 KB Output is correct
3 Correct 1 ms 10588 KB Output is correct
4 Correct 1 ms 10588 KB Output is correct
5 Correct 3 ms 10588 KB Output is correct
6 Correct 2 ms 10728 KB Output is correct
7 Correct 1 ms 10588 KB Output is correct
8 Correct 1 ms 10588 KB Output is correct
9 Correct 2 ms 10588 KB Output is correct
10 Correct 1 ms 10588 KB Output is correct
11 Correct 1 ms 10588 KB Output is correct
12 Correct 1 ms 10588 KB Output is correct
13 Correct 60 ms 48300 KB Output is correct
14 Correct 28 ms 15308 KB Output is correct
15 Correct 69 ms 52932 KB Output is correct
16 Correct 68 ms 59556 KB Output is correct
17 Correct 31 ms 18024 KB Output is correct
18 Correct 70 ms 55208 KB Output is correct
19 Correct 52 ms 46788 KB Output is correct

Subtask #3
0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 10588 KB Output is correct
2 Correct 2 ms 10588 KB Output is correct
3 Correct 65 ms 55316 KB Output is correct
4 Runtime error 1357 ms 1048576 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #4
0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 10584 KB Output is correct
2 Correct 2 ms 10588 KB Output is correct
3 Correct 1 ms 10588 KB Output is correct
4 Correct 1 ms 10588 KB Output is correct
5 Correct 3 ms 10588 KB Output is correct
6 Correct 2 ms 10728 KB Output is correct
7 Correct 1 ms 10588 KB Output is correct
8 Correct 1 ms 10588 KB Output is correct
9 Correct 2 ms 10588 KB Output is correct
10 Correct 1 ms 10588 KB Output is correct
11 Correct 1 ms 10588 KB Output is correct
12 Correct 1 ms 10588 KB Output is correct
13 Correct 60 ms 48300 KB Output is correct
14 Correct 28 ms 15308 KB Output is correct
15 Correct 69 ms 52932 KB Output is correct
16 Correct 68 ms 59556 KB Output is correct
17 Correct 31 ms 18024 KB Output is correct
18 Correct 70 ms 55208 KB Output is correct
19 Correct 52 ms 46788 KB Output is correct
20 Runtime error 1335 ms 1048576 KB Execution killed with signal 9
21 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 10584 KB Output is correct
2 Correct 2 ms 10588 KB Output is correct
3 Correct 1 ms 10588 KB Output is correct
4 Correct 1 ms 10588 KB Output is correct
5 Correct 3 ms 10588 KB Output is correct
6 Correct 2 ms 10728 KB Output is correct
7 Correct 1 ms 10588 KB Output is correct
8 Correct 1 ms 10588 KB Output is correct
9 Correct 2 ms 10588 KB Output is correct
10 Correct 1 ms 10588 KB Output is correct
11 Correct 1 ms 10588 KB Output is correct
12 Correct 1 ms 10588 KB Output is correct
13 Correct 60 ms 48300 KB Output is correct
14 Correct 28 ms 15308 KB Output is correct
15 Correct 69 ms 52932 KB Output is correct
16 Correct 68 ms 59556 KB Output is correct
17 Correct 31 ms 18024 KB Output is correct
18 Correct 70 ms 55208 KB Output is correct
19 Correct 52 ms 46788 KB Output is correct
20 Correct 1 ms 10588 KB Output is correct
21 Correct 2 ms 10588 KB Output is correct
22 Correct 65 ms 55316 KB Output is correct
23 Runtime error 1357 ms 1048576 KB Execution killed with signal 9
24 Halted 0 ms 0 KB -