oj.uz

Submission #699089

# Submission time Handle Problem Language Result Execution time Memory
699089 2023-02-15T15:04:39 Z dkblossom Self Study (JOI22_ho_t2) C++14
0 / 100
 297 ms 5068 KB 
#include<bits/stdc++.h>
using namespace std;

#pragma gcc optimize('ofast','unroll-loops')

#define endl '\n'
#define ff first
#define ss second
#define pb emplace_back
#define mp make_pair
#define all(x) x.begin(),x.end()
#define sz(x) (int)x.size()
#define rep(a,b,c) for(ll a=b;a<c;a++)

typedef long long ll;
typedef pair<int,int> pii;
typedef vector<int> vi;

const ll maxn = 300005;
const ll maxm = 200005;
const ll mod = 1000000007;

void solve(){
	ll n, m;
	ll arr[maxn];
	ll brr[maxn];

	cin >> n >> m;
	rep(i,0,n) cin >> arr[i];
	rep(i,0,n) cin >> brr[i];
	rep(i,0,n) arr[i] = max(arr[i],brr[i]);

	ll l = 0;
	ll r = 1ll<<60;

	while(l+1<r){
		ll mid = (l+r)/2;
		ll ac = 0;
		//cout<<mid<<endl;
		rep(i,0,n){
			if(arr[i]*m>=mid) ac += (mid-1ll)/arr[i]+1ll;
			else ac += m+(mid-arr[i]*m-1ll)/brr[i]+1ll;
			//cout << ac << ' ';
		}//cout<<endl;
		if(ac>n*m) r = mid;
		else l = mid;
	}

	//cout<<(-1)/2<<endl;//int mid=18,ac=0;rep(i,0,n){if(arr[i]*m>=mid)ac-=m-(mid-1)/arr[i]-1;else ac+=(mid-arr[i]*m-1)/brr[i]+1;}cout<<ac<<endl;

	cout << l << endl;
}

int main(){
	//freopen("input.txt","r",stdin);
	//freopen("sol.txt","w",stdout);
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	int t = 1;
	//cin >> t;
	while(t--) solve();
}

Compilation message

Main.cpp:4: warning: ignoring '#pragma gcc optimize' [-Wunknown-pragmas]
    4 | #pragma gcc optimize('ofast','unroll-loops')
      |

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 5 ms 5016 KB Output is correct
11 Correct 159 ms 5004 KB Output is correct
12 Correct 164 ms 5068 KB Output is correct
13 Correct 151 ms 4988 KB Output is correct
14 Incorrect 297 ms 4948 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 82 ms 5012 KB Output is correct
10 Correct 55 ms 4996 KB Output is correct
11 Correct 41 ms 4948 KB Output is correct
12 Correct 34 ms 4996 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 2 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Incorrect 6 ms 4948 KB Output isn't correct
19 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 5 ms 5016 KB Output is correct
11 Correct 159 ms 5004 KB Output is correct
12 Correct 164 ms 5068 KB Output is correct
13 Correct 151 ms 4988 KB Output is correct
14 Incorrect 297 ms 4948 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 2 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 82 ms 5012 KB Output is correct
10 Correct 55 ms 4996 KB Output is correct
11 Correct 41 ms 4948 KB Output is correct
12 Correct 34 ms 4996 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 2 ms 4948 KB Output is correct
17 Correct 2 ms 4948 KB Output is correct
18 Incorrect 6 ms 4948 KB Output isn't correct
19 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 2 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 2 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 2 ms 4948 KB Output is correct
9 Correct 2 ms 4948 KB Output is correct
10 Correct 5 ms 5016 KB Output is correct
11 Correct 159 ms 5004 KB Output is correct
12 Correct 164 ms 5068 KB Output is correct
13 Correct 151 ms 4988 KB Output is correct
14 Incorrect 297 ms 4948 KB Output isn't correct
15 Halted 0 ms 0 KB -