Submission #832471

#	Time	Username	Problem	Language	Result	Execution time	Memory
832471		_martynas	Inspections (NOI23_inspections)	C++11	0 / 100	1130 ms	1048576 KiB

Main

#include <iostream>
#include <vector>
#include <algorithm>
#include <numeric>
#include <map>

using namespace std;

const int mxn = 2e5+5;

int n, m, q;
int l[mxn], r[mxn], s[mxn], ans[mxn];

int main(int argc, char const *argv[]) {
    cin >> n >> m >> q;
    for(int i = 1; i <= m; i++) {
        cin >> l[i] >> r[i];
    }
    for(int i = 1; i <= q; i++) {
        cin >> s[i];
    }
    vector<int> order;
    for(int i = 1; i <= m; i++) {
        for(int j = l[i]; j <= r[i]; j++) {
            order.push_back(j);
        }
    }
    map<int, int> last, inc;
    for(int t = 0; t < (int)order.size(); t++) {
        if(last.find(order[t]) != last.end()) {
            inc[t-last[order[t]]-1]++;
        }
        last[order[t]] = t;
    }
    vector<int> dec_s(q); iota(dec_s.begin(), dec_s.end(), 1);
    sort(dec_s.begin(), dec_s.end(), [&](int i, int j) { return s[i] > s[j];});
    int sum = 0;
    auto it = inc.rbegin();
    for(int i = 0; i < q; i++) {
        int j = dec_s[i];
        while(it != inc.rend() && it->first >= s[j]) {
            sum += it->second;
            it++;
        }
        ans[j] = sum;
    }
    for(int i = 1; i <= q; i++) cout << ans[i] << " ";
    cout << "\n";
    return 0;
}

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