Submission #493547

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
493547	2021-12-12 01:17:57	dooompy	Cryptography (NOI20_crypto)	C++17	51 / 100	115 ms	8132 KiB

Crypto

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#include "bits/stdc++.h"
using namespace std;
using ll = long long;
int v[300005], p[300005];
ll fact[300005];
int bit[300005];
void add(int p) {
    for (; p < 300005; p += (p&(-p))) {
        bit[p]++;
    }
}
int sum(int p) {
    int s = 0;
    for (; p; p -= (p&(-p))) {
        s += bit[p];
    }
    return s;
}
int main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
//    freopen("", "r", stdin);
//    freopen("", "w", stdout);
    int n; cin >> n;
 
 
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