oj.uz

Submission #534280

# Submission time Handle Problem Language Result Execution time Memory
534280 2022-03-08T03:03:49 Z Paul_Liao_1457 Self Study (JOI22_ho_t2) C++14
10 / 100
 214 ms 5728 KB 
// 還要更強
#include<iostream>
#include<queue>
#include<set>
#include<map>
#include<iomanip>
#include<math.h>
#include<cstring>
#include<stack>
#include<string.h>
#include<random>
#include<algorithm>
#include<vector>
#include <cassert>

#define ll __int128_t
#define FOR(i,a,b) for(ll i=a;i<b;i++)
#define REP(i,a,b) for(int i=a;i>=b;i--)
#define INF (ll)(1e9)
#define pb push_back
#define F first
#define S second
#define AC ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define endl "\n"

using namespace std;

long long n,m;
long long aaa[300005],bbb[300005];



signed main(){
    AC;
    cin>>n>>m;
    FOR(i,1,n+1){
        cin>>aaa[i]; aaa[i]=abs(aaa[i]);
    }
    FOR(i,1,n+1){
        cin>>bbb[i]; bbb[i]=abs(bbb[i]); aaa[i]=max(aaa[i],bbb[i]);
    }
    ll l=0,r=(2e18+1),ans=0;
    while(l<r){
        ll mid=(l+r)/2,tot=0;
        FOR(i,1,n+1){
            if(aaa[i]*m<mid){
                ll tmp=mid-aaa[i]*m;
                tot+=1ll*(tmp-1)/abs(bbb[i])+1;
            }
            else{
                ll used=(mid-1)/aaa[i]+1;
                used=1;
                tot-=m-used;
                //cerr<<"m="<<m<<endl;
            }
            //cout<<"m="<<m<<endl;
        }
        //cout<<"mid="<<mid<<" tot="<<tot<<endl;
        if(tot<=0){
            ans=max(ans,mid);
            l=mid+1;
        }
        else{
            r=mid;
        }
    }
    cout<<(long long)ans<<endl;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 3 ms 332 KB Output is correct
11 Correct 132 ms 4992 KB Output is correct
12 Correct 134 ms 4988 KB Output is correct
13 Correct 179 ms 4980 KB Output is correct
14 Correct 210 ms 4996 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 200 ms 5236 KB Output is correct
17 Correct 214 ms 5728 KB Output is correct
18 Correct 139 ms 5700 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 200 ms 5236 KB Output is correct
3 Correct 214 ms 5728 KB Output is correct
4 Correct 139 ms 5700 KB Output is correct
5 Incorrect 0 ms 204 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 3 ms 332 KB Output is correct
11 Correct 132 ms 4992 KB Output is correct
12 Correct 134 ms 4988 KB Output is correct
13 Correct 179 ms 4980 KB Output is correct
14 Correct 210 ms 4996 KB Output is correct
15 Incorrect 0 ms 204 KB Output isn't correct
16 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 204 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 3 ms 332 KB Output is correct
11 Correct 132 ms 4992 KB Output is correct
12 Correct 134 ms 4988 KB Output is correct
13 Correct 179 ms 4980 KB Output is correct
14 Correct 210 ms 4996 KB Output is correct
15 Incorrect 0 ms 204 KB Output isn't correct
16 Halted 0 ms 0 KB -