Submission #614567

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
614567	2022-07-31T03:58:53 Z	1bin	Strongbox (POI11_sej)	C++14	100 / 100	193 ms	2732 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;
vector<ll> d;
 
ll gcd(ll a, ll b){
    if(!b) return a;
    return gcd(b,  a % b);
}
 
int chk(ll& x){
    for(int i = 0; i < sz; i++)
        if(m[i] % x == 0) return 0;
    return 1;
}
 
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);
    for(int i = 0; i < k - 1; i++) if(m[i] != m[i + 1]) m[sz++] = m[i];
    
    x = m[k - 1];
    for(ll i = 1; i * i <= x; i++)
        if(x % i == 0){
            d.emplace_back(i);
            d.emplace_back(x / i);
        }
    sort(all(d));
    for(ll x : d) if(chk(x)) {
        cout << n / x; break;
    }
    return 0;
}

Subtask #1
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct

Subtask #2
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	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	0 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	292 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	0 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	8 ms	212 KB	Output is correct
4	Correct	10 ms	340 KB	Output is correct

Subtask #6
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	1 ms	212 KB	Output is correct
4	Correct	71 ms	560 KB	Output is correct

Subtask #7
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	22 ms	316 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	90 ms	212 KB	Output is correct
4	Correct	52 ms	544 KB	Output is correct

Subtask #8
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	69 ms	320 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	69 ms	812 KB	Output is correct

Subtask #9
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	1 ms	212 KB	Output is correct
4	Correct	87 ms	540 KB	Output is correct

Subtask #10
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	4 ms	212 KB	Output is correct
3	Correct	64 ms	212 KB	Output is correct
4	Correct	86 ms	548 KB	Output is correct

Subtask #11
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	93 ms	1088 KB	Output is correct
2	Correct	29 ms	1108 KB	Output is correct
3	Correct	102 ms	1420 KB	Output is correct
4	Correct	157 ms	1868 KB	Output is correct
5	Correct	139 ms	1500 KB	Output is correct

Subtask #12
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	62 ms	1852 KB	Output is correct
2	Correct	45 ms	1820 KB	Output is correct
3	Correct	100 ms	2164 KB	Output is correct
4	Correct	128 ms	1740 KB	Output is correct
5	Correct	155 ms	2184 KB	Output is correct

Subtask #13
8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	83 ms	2264 KB	Output is correct
2	Correct	54 ms	2208 KB	Output is correct
3	Correct	153 ms	2412 KB	Output is correct
4	Correct	185 ms	2508 KB	Output is correct
5	Correct	167 ms	2732 KB	Output is correct

Subtask #14
8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	76 ms	2160 KB	Output is correct
2	Correct	53 ms	2252 KB	Output is correct
3	Correct	132 ms	2480 KB	Output is correct
4	Correct	190 ms	2648 KB	Output is correct
5	Correct	193 ms	2628 KB	Output is correct

Submission #614567

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