Submission #1169642

#	Time	Username	Problem	Language	Result	Execution time	Memory
1169642		trashaccount	Inspections (NOI23_inspections)	C++20	22 / 100	287 ms	37740 KiB

Main

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define pii pair <int, int>
#define fi first
#define se second
#define mp make_pair

const int NM = 2e5;

int n, m, q;
vector <int> upd_add[NM+5], upd_rmv[NM+5];
set <int> S;
pii qry[NM+5];
int A[NM+5], D[NM+5], cur[NM+5];
vector <int> record;
int ans[NM+5];

void update(int x, int val){
    x--;
    if (x < qry[1].fi) return;
    int lo = 2, hi = q, res = 1;
    while (lo <= hi){
        int mid = (lo+hi)/2;
        if (qry[mid].fi <= x){
            res = mid;
            lo = mid+1;
        }
        else hi = mid-1;
    }
    record.push_back(res);
    cur[res] += val;
}

void add(int val){
    S.insert(val);
    set <int>::iterator x = S.end(), y = S.find(val), z = S.end();
    if (y != S.begin()) x = y, x--;
    if (y != (--S.end())) z = y, z++;

    if (x != S.end()) update(val - (*x), 1);
    if (z != S.end()) update((*z) - val, 1);
    if (x != S.end() && z != S.end()) update((*z) - (*x), -1);
}

void remove(int val){
    set <int>::iterator x = S.end(), y = S.find(val), z = S.end();
    if (y != S.begin()) x = y, x--;
    if (y != (--S.end())) z = y, z++;

    if (x != S.end()) update(val - (*x), -1);
    if (z != S.end()) update((*z) - val, -1);
    if (x != S.end() && z != S.end()) update((*z) - (*x), 1);
    S.erase(val);
}

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

    cin >> n >> m >> q;
    int cnt = 0;
    for (int i = 1; i <= m; i++){
        int l, r; cin >> l >> r;
        upd_add[l].push_back(l-cnt);
        upd_rmv[r+1].push_back(l-cnt);
        cnt += r-l+1;
    }
    for (int i = 1; i <= q; i++){
        cin >> qry[i].fi;
        qry[i].se = i;
    }
    sort(qry+1, qry+1+q);

    for (int t = 1; t <= n; t++){
        record.clear();
        for (int val : upd_add[t]) add(val);
        for (int val : upd_rmv[t]) remove(val);

        for (int p : record){
            if (cur[p] == 0) continue;
            A[p] += cur[p];
            D[p] -= (t-1)*cur[p];
            cur[p] = 0;
        }
    }
    for (int i = q; i >= 1; i--){
        A[i] = n*A[i]+D[i];
        A[i] += A[i+1];
        ans[qry[i].se] = A[i];
    }
    for (int i = 1; i <= q; i++) cout << ans[i] << ' ';
    return 0;
}

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