Submission #388334

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
388334	2021-04-11 03:32:22	phathnv	Vepar (COCI21_vepar)	C++11	70 / 70	318 ms	43812 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const int N = 1e7 + 7;
int p[N];
vector<int> primes;
int Calc(int x, int factor){
    int res = 0;
    while (x >= factor)
        res += (x /= factor);
    return res;
}
int Calc(int l, int r, int factor){
    return Calc(r, factor) - Calc(l - 1, factor);
}
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    for(int i = 2; i < N; i++){
        if (p[i])
            continue;
        primes.push_back(i);
        for(int j = i; j < N; j += i)
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10