oj.uz

답안 #614623

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
614623 2022-07-31T04:12:55 Z 1bin Strongbox (POI11_sej) C++14
100 / 100
 827 ms 2688 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> da, db;
 
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);
    sort(m, m + k - 1);
    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){
            da.emplace_back(i);
            db.emplace_back(x / i);
        }
    for(ll& x : da) if(chk(x)) {
        cout << n / x; return 0;
    }
    for(int i = db.size() - 1; i >= 0; i--)
        if(chk(db[i])) {
            cout << n / db[i]; return 0;
        }
    return 0;
}

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct

Subtask #2
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct

Subtask #3
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 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

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 2 ms 340 KB Output is correct

Subtask #5
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 9 ms 212 KB Output is correct
4 Correct 11 ms 420 KB Output is correct

Subtask #6
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 1 ms 256 KB Output is correct
4 Correct 77 ms 520 KB Output is correct

Subtask #7
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 21 ms 336 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 91 ms 316 KB Output is correct
4 Correct 62 ms 516 KB Output is correct

Subtask #8
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 68 ms 320 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 80 ms 528 KB Output is correct

Subtask #9
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 2 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 91 ms 516 KB Output is correct

Subtask #10
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 3 ms 340 KB Output is correct
3 Correct 60 ms 212 KB Output is correct
4 Correct 93 ms 528 KB Output is correct

Subtask #11
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 94 ms 1104 KB Output is correct
2 Correct 27 ms 1076 KB Output is correct
3 Correct 309 ms 1276 KB Output is correct
4 Correct 827 ms 1712 KB Output is correct
5 Correct 216 ms 1440 KB Output is correct

Subtask #12
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 67 ms 1996 KB Output is correct
2 Correct 70 ms 1868 KB Output is correct
3 Correct 149 ms 1924 KB Output is correct
4 Correct 668 ms 1844 KB Output is correct
5 Correct 255 ms 2148 KB Output is correct

Subtask #13
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 100 ms 2272 KB Output is correct
2 Correct 89 ms 2264 KB Output is correct
3 Correct 345 ms 2532 KB Output is correct
4 Correct 769 ms 2524 KB Output is correct
5 Correct 299 ms 2580 KB Output is correct

Subtask #14
8.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 70 ms 2276 KB Output is correct
2 Correct 89 ms 2204 KB Output is correct
3 Correct 482 ms 2460 KB Output is correct
4 Correct 801 ms 2556 KB Output is correct
5 Correct 291 ms 2688 KB Output is correct