oj.uz

Submission #534087

# Submission time Handle Problem Language Result Execution time Memory
534087 2022-03-08T00:47:40 Z Paul_Liao_1457 Self Study (JOI22_ho_t2) C++17
10 / 100
 236 ms 5032 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(int 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;
            res-=(tmp-1)/b[i]+1;
        }
        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]);
    }
    if(m==1){
        ll ans=INF;
        FOR(i,0,n) ans=min(ans,a[i]);
        cout<<ans<<endl; return 0;
    }
    ll l=0,r=(1e18+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 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 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 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 4 ms 332 KB Output is correct
11 Correct 236 ms 4972 KB Output is correct
12 Correct 222 ms 4952 KB Output is correct
13 Correct 150 ms 4868 KB Output is correct
14 Correct 218 ms 4904 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 79 ms 4952 KB Output is correct
17 Correct 234 ms 5032 KB Output is correct
18 Correct 236 ms 4880 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 79 ms 4952 KB Output is correct
3 Correct 234 ms 5032 KB Output is correct
4 Correct 236 ms 4880 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 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 187 ms 2624 KB Output is correct
14 Correct 111 ms 1808 KB Output is correct
15 Correct 84 ms 1452 KB Output is correct
16 Correct 64 ms 1212 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 0 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Incorrect 8 ms 372 KB Output isn't correct
23 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 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 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 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 4 ms 332 KB Output is correct
11 Correct 236 ms 4972 KB Output is correct
12 Correct 222 ms 4952 KB Output is correct
13 Correct 150 ms 4868 KB Output is correct
14 Correct 218 ms 4904 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 187 ms 2624 KB Output is correct
24 Correct 111 ms 1808 KB Output is correct
25 Correct 84 ms 1452 KB Output is correct
26 Correct 64 ms 1212 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Incorrect 8 ms 372 KB Output isn't correct
33 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# 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 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct
6 Correct 1 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 187 ms 2624 KB Output is correct
10 Correct 111 ms 1808 KB Output is correct
11 Correct 84 ms 1452 KB Output is correct
12 Correct 64 ms 1212 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Incorrect 8 ms 372 KB Output isn't correct
19 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 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct
5 Correct 1 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 0 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 4 ms 332 KB Output is correct
11 Correct 236 ms 4972 KB Output is correct
12 Correct 222 ms 4952 KB Output is correct
13 Correct 150 ms 4868 KB Output is correct
14 Correct 218 ms 4904 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 0 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 187 ms 2624 KB Output is correct
24 Correct 111 ms 1808 KB Output is correct
25 Correct 84 ms 1452 KB Output is correct
26 Correct 64 ms 1212 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct
29 Correct 1 ms 204 KB Output is correct
30 Correct 0 ms 204 KB Output is correct
31 Correct 1 ms 204 KB Output is correct
32 Incorrect 8 ms 372 KB Output isn't correct
33 Halted 0 ms 0 KB -