oj.uz

Submission #534104

# Submission time Handle Problem Language Result Execution time Memory
534104 2022-03-08T01:10:54 Z Paul_Liao_1457 Self Study (JOI22_ho_t2) C++17
10 / 100
 331 ms 5028 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>

#define ll long long
#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)(2e18)
#define pb push_back
#define F first
#define S second

using namespace std;

ll n,m;
ll a[300005],b[300005];

bool check(ll x){
    ll res=0;
    FOR(i,0,n){
        ll tmp=x;
        if(a[i]*m<=tmp){
            tmp-=(a[i]*m);
            if(tmp){
                tmp=(tmp-1)/b[i]+1;
            }
            if(tmp) res--;
        }
        else{
            //ll used=(tmp-1)/a[i]+1;
            //res+=m-used;
        }
    }
    if(res>=0) return 1;
    return 0;
}

signed main(){
    cin>>n>>m;
    FOR(i,0,n) cin>>a[i];
    FOR(i,0,n){
        cin>>b[i]; a[i]=max(a[i],b[i]);
    }
    ll l=0,r=(2e18+1),ans=0;
    while(l<r){
        ll mid=(l+r)>>1;
        if(check(mid)){
            ans=max(ans,mid); l=mid+1;
        }
        else{
            r=mid;
        }
    }
    cout<<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 1 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 1 ms 204 KB Output is correct
10 Correct 5 ms 332 KB Output is correct
11 Correct 285 ms 4856 KB Output is correct
12 Correct 290 ms 4872 KB Output is correct
13 Correct 238 ms 5028 KB Output is correct
14 Correct 300 ms 4968 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 244 ms 4924 KB Output is correct
17 Correct 331 ms 4968 KB Output is correct
18 Correct 284 ms 4968 KB Output is correct

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 244 ms 4924 KB Output is correct
3 Correct 331 ms 4968 KB Output is correct
4 Correct 284 ms 4968 KB Output is correct
5 Incorrect 1 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 1 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 1 ms 204 KB Output is correct
10 Correct 5 ms 332 KB Output is correct
11 Correct 285 ms 4856 KB Output is correct
12 Correct 290 ms 4872 KB Output is correct
13 Correct 238 ms 5028 KB Output is correct
14 Correct 300 ms 4968 KB Output is correct
15 Incorrect 1 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 1 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 1 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 1 ms 204 KB Output is correct
10 Correct 5 ms 332 KB Output is correct
11 Correct 285 ms 4856 KB Output is correct
12 Correct 290 ms 4872 KB Output is correct
13 Correct 238 ms 5028 KB Output is correct
14 Correct 300 ms 4968 KB Output is correct
15 Incorrect 1 ms 204 KB Output isn't correct
16 Halted 0 ms 0 KB -