oj.uz

Submission #426693

# Submission time Handle Problem Language Result Execution time Memory
426693 2021-06-14T09:07:16 Z snasibov05 RMQ (NOI17_rmq) C++14
0 / 100
 1 ms 204 KB 
#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

#define oo 1000000000

struct range{
    int l, r;
    int val;
    bool operator<(range r1) const{
        return val < r1.val;
    }
};

int main() {
    int n, q; cin >> n >> q;
    vector<range> v(q);
    for (int i = 0; i < q; ++i) {
        cin >> v[i].l >> v[i].r >> v[i].val;
    }

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

    vector<int> ans(n, oo);
    vector<int> cnt(n);

    int k = 0;
    bool flag = true;
    for (int i = 0; i < n; ++i){
        int l = 0, r = n-1;
        int x = oo, y = 0;
        while (k < q && v[k].val == i){
            l = max(l, v[k].l); x = min(x, v[k].l);
            r = min(r, v[k].r); y = max(y, v[k].r);
            k++;
        }
        if (l > r) flag = false;
        for (int j = l; j <= r; ++j){
            if (ans[j] > i) {
                ans[j] = i;
                cnt[i]++;
            }
        }
        for (int j = l; j <= r; ++j){
            if (cnt[ans[j]] > 1){
                cnt[ans[j]]--;
                ans[j] = i;
                cnt[i]++;
            }
        }

        for (int j = x; j <= y; ++j){
            if (ans[j] < i){
                if (cnt[ans[j]] == 1) flag = false;
                cnt[ans[j]]--;
                ans[j] = i;
                cnt[i]++;
            }
        }

        if (cnt[i] == 0) flag = false;
    }

    if (flag){
        for (int i = 0; i < n; ++i) {
            cout << ans[i] << " ";
        }
    } else{
        for (int i = 0; i < n; ++i) {
            cout << "-1 ";
        }
    }

    return 0;
}

Subtask #1
0.0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0.0 / 44.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0.0 / 33.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -