oj.uz

Submission #534108

# Submission time Handle Problem Language Result Execution time Memory
534108 2022-03-08T01:13:25 Z Paul_Liao_1457 Self Study (JOI22_ho_t2) C++17
0 / 100
 413 ms 5108 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-=tmp;
        }
        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
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 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 0 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 287 ms 5012 KB Output is correct
12 Correct 291 ms 4984 KB Output is correct
13 Correct 242 ms 5108 KB Output is correct
14 Incorrect 413 ms 4932 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

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

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 1 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 0 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 287 ms 5012 KB Output is correct
12 Correct 291 ms 4984 KB Output is correct
13 Correct 242 ms 5108 KB Output is correct
14 Incorrect 413 ms 4932 KB Output isn't correct
15 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 1 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 1 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 0 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 287 ms 5012 KB Output is correct
12 Correct 291 ms 4984 KB Output is correct
13 Correct 242 ms 5108 KB Output is correct
14 Incorrect 413 ms 4932 KB Output isn't correct
15 Halted 0 ms 0 KB -