Submission #268286

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
268286	2020-08-16 11:00:10	imeimi2000	Exercise Deadlines (CCO20_day1problem2)	C++17	25 / 25	157 ms	14844 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
int n;
int D[200001];
vector<int> L[200001];
int R[200001];
int fen[200001];
void update(int i) {
    while (i <= n) {
        ++fen[i];
        i += i & -i;
    }
}
int query(int i) {
    int ret = 0;
    while (i) {
        ret += fen[i];
        i -= i & -i;
    }
    return ret;
}
int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> n;
    for (int i = 1; i <= n; ++i) cin >> D[i], L[D[i]].push_back(i);
 
 
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• Subtask 1: 17 / 17
• Subtask 2: 8 / 8