Submission #615540

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
615540	2022-07-31T10:24:32 Z	1bin	Strongbox (POI11_sej)	C++14	100 / 100	346 ms	5704 KB

#include <bits/stdc++.h>
 
using namespace std;
 
#define all(v) v.begin(), v.end()
typedef long long ll;
const int NMAX = 3e5 + 5;
ll n, x, k, m[NMAX], sz, ans;
vector<ll> d;
 
ll gcd(ll a, ll b){
    if(!b) return a;
    return gcd(b,  a % b);
}
 
set<ll> s;
 
void p(ll x){
    s.emplace(x);
    for(ll& y : d)
        if(x % y == 0 && s.find(x / y) == s.end()) p(x / y);
    return;
}

void find(ll x){
    ans = min(ans, x);
    s.emplace(x);
    for(ll& y : d)
        if(x % y == 0 && s.find(x / y) == s.end()) find(x / y);
    return;
}

int main(void){
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    
    cin >> n >> k;
    for(int i = 0; i < k; i++) cin >> m[i], m[i] = gcd(m[i], n);
    x = n;
    for(ll i = 2; i * i <= n; i++) 
        if(x % i == 0){
            while(x % i == 0) x /= i;
            d.emplace_back(i);
        }
    if(x > 1) d.emplace_back(x);
    
    for(int i = 0; i < k - 1; i++) p(m[i]);
    ans = n;
    find(m[k - 1]);
    cout << n / ans;
    return 0;
}

Subtask #1
7.0 / 7.0

#	Verdict	Memory	Grader output
1	Correct	212 KB	Output is correct
2	Correct	212 KB	Output is correct
3	Correct	212 KB	Output is correct
4	Correct	212 KB	Output is correct

Subtask #2
7.0 / 7.0

#	Verdict	Memory	Grader output
1	Correct	212 KB	Output is correct
2	Correct	212 KB	Output is correct
3	Correct	212 KB	Output is correct

Subtask #3
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct

Subtask #4
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	2 ms	340 KB	Output is correct

Subtask #5
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	212 KB	Output is correct
2	Correct	6 ms	340 KB	Output is correct
3	Correct	9 ms	324 KB	Output is correct
4	Correct	10 ms	596 KB	Output is correct

Subtask #6
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	22 ms	212 KB	Output is correct
2	Correct	48 ms	956 KB	Output is correct
3	Correct	89 ms	304 KB	Output is correct
4	Correct	47 ms	968 KB	Output is correct

Subtask #7
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	16 ms	212 KB	Output is correct
2	Correct	39 ms	316 KB	Output is correct
3	Correct	86 ms	312 KB	Output is correct
4	Correct	37 ms	868 KB	Output is correct

Subtask #8
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	63 ms	332 KB	Output is correct
2	Correct	58 ms	972 KB	Output is correct
3	Correct	87 ms	212 KB	Output is correct
4	Correct	47 ms	972 KB	Output is correct

Subtask #9
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	45 ms	212 KB	Output is correct
2	Correct	46 ms	328 KB	Output is correct
3	Correct	58 ms	312 KB	Output is correct
4	Correct	64 ms	1084 KB	Output is correct

Subtask #10
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	33 ms	340 KB	Output is correct
2	Correct	47 ms	212 KB	Output is correct
3	Correct	84 ms	212 KB	Output is correct
4	Correct	57 ms	1088 KB	Output is correct

Subtask #11
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	85 ms	980 KB	Output is correct
2	Correct	82 ms	1220 KB	Output is correct
3	Correct	90 ms	1728 KB	Output is correct
4	Correct	110 ms	2188 KB	Output is correct
5	Correct	90 ms	1840 KB	Output is correct

Subtask #12
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	88 ms	1880 KB	Output is correct
2	Correct	295 ms	2768 KB	Output is correct
3	Correct	94 ms	2356 KB	Output is correct
4	Correct	106 ms	3920 KB	Output is correct
5	Correct	118 ms	4684 KB	Output is correct

Subtask #13
8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	93 ms	2264 KB	Output is correct
2	Correct	342 ms	3036 KB	Output is correct
3	Correct	127 ms	2916 KB	Output is correct
4	Correct	144 ms	5704 KB	Output is correct
5	Correct	139 ms	5624 KB	Output is correct

Subtask #14
8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	104 ms	2264 KB	Output is correct
2	Correct	346 ms	3072 KB	Output is correct
3	Correct	132 ms	2904 KB	Output is correct
4	Correct	139 ms	2956 KB	Output is correct
5	Correct	125 ms	2976 KB	Output is correct

Submission #615540

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