oj.uz

Submission #534178

# Submission time Handle Problem Language Result Execution time Memory
534178 2022-03-08T01:52:18 Z Paul_Liao_1457 Self Study (JOI22_ho_t2) C++17
10 / 100
 337 ms 5072 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 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,t;
ll A[300005],B[300005];

const ll m=1;

bool check(ll x){
    ll res=0;
    FOR(i,0,n){
        ll tmp=x;
        if(1ll*A[i]*m<tmp){
            tmp-=A[i]*m;
            if(B[i]<=0) exit(-1);
            res-=tmp/B[i]+(tmp%B[i]?1:0);
        }
        else{
            ll used=1;
            res+=m-used;
        }
    }
    if(res>=0) return 1;
    return 0;
}

signed main(){
    cin>>n>>t;
    FOR(i,0,n){
        cin>>A[i];
    }
    FOR(i,0,n){
        cin>>B[i]; A[i]=max(A[i],B[i]);
    }
    ll l=1,r=(1e18+1),ans=1;
    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 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 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 0 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 295 ms 4872 KB Output is correct
12 Correct 302 ms 4936 KB Output is correct
13 Correct 245 ms 4948 KB Output is correct
14 Correct 300 ms 4960 KB Output is correct
15 Correct 0 ms 204 KB Output is correct
16 Correct 259 ms 4964 KB Output is correct
17 Correct 337 ms 5072 KB Output is correct
18 Correct 297 ms 4964 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 259 ms 4964 KB Output is correct
3 Correct 337 ms 5072 KB Output is correct
4 Correct 297 ms 4964 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 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 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 0 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 295 ms 4872 KB Output is correct
12 Correct 302 ms 4936 KB Output is correct
13 Correct 245 ms 4948 KB Output is correct
14 Correct 300 ms 4960 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 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 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 0 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 295 ms 4872 KB Output is correct
12 Correct 302 ms 4936 KB Output is correct
13 Correct 245 ms 4948 KB Output is correct
14 Correct 300 ms 4960 KB Output is correct
15 Incorrect 0 ms 204 KB Output isn't correct
16 Halted 0 ms 0 KB -