Submission #1097976

#	Time	Username	Problem	Language	Result	Execution time	Memory
1097976		VMaksimoski008	Inspections (NOI23_inspections)	C++17	77 / 100	2081 ms	13904 KiB

Main

#include <bits/stdc++.h>
#define ar array
#define int long long

using namespace std;

using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

const int mod = 1e9 + 7;
const int LOG = 20;
const int maxn = 1e5 + 5;

vector<pll> qus;

int bin_search(ll p) {
    int l=0, r=qus.size()-1, ans=-1;
    while(l <= r) {
        int mid = (l + r) / 2;
        if(qus[mid].first <= p) ans = mid, l = mid + 1;
        else r = mid - 1;
    }
    return ans;
}

signed main() {
    ios_base::sync_with_stdio(false);
    cout.tie(0); cin.tie(0);

    int n, m, q; cin >> n >> m >> q;
    ll day = 1;

    vector<int> L(m), R(m);
    for(int i=0; i<m; i++) cin >> L[i] >> R[i];

    for(int i=0; i<q; i++) {
        ll x; cin >> x;
        qus.push_back({ x, i });
    }

    sort(qus.begin(), qus.end());

    vector<ll> ans(q);
    set<array<ll, 3> > s;

    for(int i=0; i<m; i++) {
        vector<array<ll, 3> > to_rem, to_add;
        // cout << i << ": " << '\n';
        // for(auto &[l, r, x] : s) cout << l << " " << r << " " << x << '\n';
        // cout << '\n';
        //brute force prvo
        for(auto &[l, r, x] : s) {
            if(L[i] <= l && r <= R[i]) {
                int p = bin_search(day + l - L[i] - x - 1);
                if(p > -1) ans[p] += r - l + 1;
                to_rem.push_back({ l, r, x });
            } else if(l < L[i] && R[i] < r) {
                int p = bin_search(day - (x + L[i] - l) - 1);
                if(p > -1) ans[p] += R[i] - L[i] + 1;
                to_rem.push_back({ l, r, x });
                to_add.push_back({ l, L[i]-1, x });
                to_add.push_back({ R[i]+1, r, R[i] + 1 - l + x});
            } else if(l < L[i] && L[i] <= r && r <= R[i]) {
                int p = bin_search(day - (x + L[i] - l) - 1);
                if(p > -1) ans[p] += r - L[i] + 1;
                to_rem.push_back({ l, r, x });
                to_add.push_back({ l, L[i]-1, x });
            } else if(L[i] <= l && l <= R[i] && R[i] < r) {
                int p = bin_search(day + l - L[i] - x - 1);
                if(p > -1) ans[p] += R[i] - l + 1;
                to_rem.push_back({ l, r, x });
                to_add.push_back({ R[i]+1, r, R[i] + 1 - l + x });
            }
        }

        to_add.push_back({ L[i], R[i], day });
        // cout << "REM" << '\n';
        // for(auto &[l, r, x] : to_rem) cout << l << " " << r << " " << x << '\n';
        // cout << '\n';
        // cout << "ADD\n";
        // for(auto &[l, r, x] : to_add) cout << l << " " << r << " " << x << '\n';
        // cout << '\n';
        for(auto &x : to_rem) s.erase(x);
        for(auto &x : to_add) s.insert(x);
        day += R[i] - L[i] + 1;
    }


    for(int i=q-2; i>=0; i--) ans[i] += ans[i+1];
    for(int i=0; i<q; i++) qus[i].first = ans[i];
    sort(qus.begin(), qus.end(), [&](pll a, pll b) { return a.second < b.second; });
    for(auto x : qus) cout << x.first << " ";
    return 0;
}

• Subtask 1: 11 / 11
• Subtask 2: 18 / 18
• Subtask 3: 22 / 22
• Subtask 4: 26 / 26
• Subtask 5: 0 / 23