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답안 #997685

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
997685 2024-06-12T17:14:01 Z cpptowin Inspections (NOI23_inspections) C++17
29 / 100
 1031 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 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]] << ' ';
        }
    }
}
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: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:140:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  140 | 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:145:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  145 |         freopen(name ".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:146:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
  146 |         freopen(name ".out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 86616 KB Output is correct
2 Correct 11 ms 86620 KB Output is correct
3 Correct 12 ms 86620 KB Output is correct
4 Correct 12 ms 86956 KB Output is correct
5 Correct 14 ms 87000 KB Output is correct
6 Correct 11 ms 86716 KB Output is correct
7 Correct 12 ms 87252 KB Output is correct
8 Correct 12 ms 86968 KB Output is correct
9 Correct 12 ms 87000 KB Output is correct
10 Correct 12 ms 86616 KB Output is correct
11 Correct 11 ms 86604 KB Output is correct
12 Correct 12 ms 86616 KB Output is correct

Subtask #2
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 86616 KB Output is correct
2 Correct 11 ms 86620 KB Output is correct
3 Correct 12 ms 86620 KB Output is correct
4 Correct 12 ms 86956 KB Output is correct
5 Correct 14 ms 87000 KB Output is correct
6 Correct 11 ms 86716 KB Output is correct
7 Correct 12 ms 87252 KB Output is correct
8 Correct 12 ms 86968 KB Output is correct
9 Correct 12 ms 87000 KB Output is correct
10 Correct 12 ms 86616 KB Output is correct
11 Correct 11 ms 86604 KB Output is correct
12 Correct 12 ms 86616 KB Output is correct
13 Correct 51 ms 46840 KB Output is correct
14 Correct 28 ms 14032 KB Output is correct
15 Correct 60 ms 51756 KB Output is correct
16 Correct 62 ms 57808 KB Output is correct
17 Correct 31 ms 16592 KB Output is correct
18 Correct 61 ms 53688 KB Output is correct
19 Correct 54 ms 44964 KB Output is correct

Subtask #3
0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 11 ms 86620 KB Output is correct
2 Correct 12 ms 87072 KB Output is correct
3 Correct 62 ms 54512 KB Output is correct
4 Runtime error 1031 ms 1048576 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #4
0 / 26.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 86616 KB Output is correct
2 Correct 11 ms 86620 KB Output is correct
3 Correct 12 ms 86620 KB Output is correct
4 Correct 12 ms 86956 KB Output is correct
5 Correct 14 ms 87000 KB Output is correct
6 Correct 11 ms 86716 KB Output is correct
7 Correct 12 ms 87252 KB Output is correct
8 Correct 12 ms 86968 KB Output is correct
9 Correct 12 ms 87000 KB Output is correct
10 Correct 12 ms 86616 KB Output is correct
11 Correct 11 ms 86604 KB Output is correct
12 Correct 12 ms 86616 KB Output is correct
13 Correct 51 ms 46840 KB Output is correct
14 Correct 28 ms 14032 KB Output is correct
15 Correct 60 ms 51756 KB Output is correct
16 Correct 62 ms 57808 KB Output is correct
17 Correct 31 ms 16592 KB Output is correct
18 Correct 61 ms 53688 KB Output is correct
19 Correct 54 ms 44964 KB Output is correct
20 Runtime error 1020 ms 1048576 KB Execution killed with signal 9
21 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# 결과 실행 시간 메모리 Grader output
1 Correct 12 ms 86616 KB Output is correct
2 Correct 11 ms 86620 KB Output is correct
3 Correct 12 ms 86620 KB Output is correct
4 Correct 12 ms 86956 KB Output is correct
5 Correct 14 ms 87000 KB Output is correct
6 Correct 11 ms 86716 KB Output is correct
7 Correct 12 ms 87252 KB Output is correct
8 Correct 12 ms 86968 KB Output is correct
9 Correct 12 ms 87000 KB Output is correct
10 Correct 12 ms 86616 KB Output is correct
11 Correct 11 ms 86604 KB Output is correct
12 Correct 12 ms 86616 KB Output is correct
13 Correct 51 ms 46840 KB Output is correct
14 Correct 28 ms 14032 KB Output is correct
15 Correct 60 ms 51756 KB Output is correct
16 Correct 62 ms 57808 KB Output is correct
17 Correct 31 ms 16592 KB Output is correct
18 Correct 61 ms 53688 KB Output is correct
19 Correct 54 ms 44964 KB Output is correct
20 Correct 11 ms 86620 KB Output is correct
21 Correct 12 ms 87072 KB Output is correct
22 Correct 62 ms 54512 KB Output is correct
23 Runtime error 1031 ms 1048576 KB Execution killed with signal 9
24 Halted 0 ms 0 KB -