Submission #614607

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
614607	2022-07-31T04:08:16 Z	1bin	Strongbox (POI11_sej)	C++14	100 / 100	823 ms	4476 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], ans;
vector<ll> v;

ll gcd(ll a, ll b){
    if(!b) return a;
    return gcd(b,  a % b);
}
 
int chk(ll x){
    for(ll& y : v)
        if(y % 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++) v.emplace_back(m[i]);
    sort(all(v)); v.erase(unique(all(v)), v.end());
    
    x = m[k - 1];
    for(ll i = 1; i * i <= x; i++)
        if(x % i == 0){
            if(chk(i)) {
                ans = n / i; break;
            }
            else if(chk(x / i)) ans = n / (x / i);
        }
    cout << ans;
    return 0;
}

Subtask #1
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	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	1 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	1 ms	212 KB	Output is correct
3	Correct	1 ms	212 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	0 ms	212 KB	Output is correct
3	Correct	2 ms	212 KB	Output is correct

Subtask #5
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	9 ms	212 KB	Output is correct
4	Correct	12 ms	340 KB	Output is correct

Subtask #6
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	3 ms	340 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	29 ms	340 KB	Output is correct

Subtask #7
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	22 ms	352 KB	Output is correct
2	Correct	1 ms	352 KB	Output is correct
3	Correct	90 ms	340 KB	Output is correct
4	Correct	61 ms	340 KB	Output is correct

Subtask #8
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	76 ms	340 KB	Output is correct
2	Correct	2 ms	340 KB	Output is correct
3	Correct	1 ms	328 KB	Output is correct
4	Correct	68 ms	340 KB	Output is correct

Subtask #9
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	27 ms	348 KB	Output is correct

Subtask #10
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	65 ms	340 KB	Output is correct
4	Correct	37 ms	340 KB	Output is correct

Subtask #11
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	95 ms	2204 KB	Output is correct
2	Correct	28 ms	2200 KB	Output is correct
3	Correct	476 ms	2272 KB	Output is correct
4	Correct	823 ms	3596 KB	Output is correct
5	Correct	409 ms	2284 KB	Output is correct

Subtask #12
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	69 ms	4000 KB	Output is correct
2	Correct	65 ms	4048 KB	Output is correct
3	Correct	247 ms	4064 KB	Output is correct
4	Correct	699 ms	3640 KB	Output is correct
5	Correct	510 ms	4040 KB	Output is correct

Subtask #13
8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	88 ms	4460 KB	Output is correct
2	Correct	92 ms	4384 KB	Output is correct
3	Correct	605 ms	4352 KB	Output is correct
4	Correct	814 ms	4424 KB	Output is correct
5	Correct	514 ms	4424 KB	Output is correct

Subtask #14
8.0 / 8.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	63 ms	4424 KB	Output is correct
2	Correct	94 ms	4392 KB	Output is correct
3	Correct	513 ms	4476 KB	Output is correct
4	Correct	815 ms	4400 KB	Output is correct
5	Correct	570 ms	4376 KB	Output is correct

Submission #614607

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