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Submission #528140

# Submission time Handle Problem Language Result Execution time Memory
528140 2022-02-19T11:30:35 Z doowey Self Study (JOI22_ho_t2) C++14
0 / 100
 317 ms 5000 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<int, int> pii;

#define fi first
#define se second
#define mp make_pair
#define fastIO ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);

const int N = (int)3e5 + 10;
ll A[N];
ll B[N];

ll ceil(ll x, ll y){
    return (x + y - 1) / y;
}

int main(){
    fastIO;
    //freopen("in.txt","r",stdin);
    ll m;
    ll n;
    cin >> n >> m;
    for(int i = 1; i <= n; i ++ ){
        cin >> A[i];
    }
    for(int i = 1; i <= n; i ++ ){
        cin >> B[i];
    }
    for(int i = 1; i <= n; i ++ ){
        A[i] = max(A[i], B[i]);
    }
    ll li = 1;
    ll ri = (ll)1e18;
    ll mid;
    ll have = 0;
    ll need = 0;
    ll take;
    ll rem;
    while(li + 1 < ri){
        mid = (li + ri) / 2ll;
        have = 0;
        for(int i = 1; i <= n; i ++ ){
            if(mid <= A[i] * 1ll * m){
                have += ceil(mid, A[i]);
            }
            else{
                have += m + ceil(mid - A[i] * 1ll * m, B[i]);
            }
        }
        if(have <= n * 1ll * m){
            li = mid;
        }
        else{
            ri = mid;
        }
    }
    cout << li << "\n";
    return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:40:8: warning: unused variable 'need' [-Wunused-variable]
   40 |     ll need = 0;
      |        ^~~~
Main.cpp:41:8: warning: unused variable 'take' [-Wunused-variable]
   41 |     ll take;
      |        ^~~~
Main.cpp:42:8: warning: unused variable 'rem' [-Wunused-variable]
   42 |     ll rem;
      |        ^~~

Subtask #1
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 1 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 216 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 3 ms 332 KB Output is correct
11 Correct 167 ms 5000 KB Output is correct
12 Correct 156 ms 4932 KB Output is correct
13 Correct 149 ms 4972 KB Output is correct
14 Incorrect 317 ms 4940 KB Output isn't correct
15 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# 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 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 79 ms 2636 KB Output is correct
10 Correct 53 ms 1804 KB Output is correct
11 Correct 41 ms 1484 KB Output is correct
12 Correct 34 ms 1348 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 0 ms 204 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 Incorrect 5 ms 396 KB Output isn't correct
19 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 1 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 216 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 3 ms 332 KB Output is correct
11 Correct 167 ms 5000 KB Output is correct
12 Correct 156 ms 4932 KB Output is correct
13 Correct 149 ms 4972 KB Output is correct
14 Incorrect 317 ms 4940 KB Output isn't correct
15 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 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 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 79 ms 2636 KB Output is correct
10 Correct 53 ms 1804 KB Output is correct
11 Correct 41 ms 1484 KB Output is correct
12 Correct 34 ms 1348 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 0 ms 204 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 Incorrect 5 ms 396 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 0 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 0 ms 204 KB Output is correct
6 Correct 0 ms 204 KB Output is correct
7 Correct 0 ms 216 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 3 ms 332 KB Output is correct
11 Correct 167 ms 5000 KB Output is correct
12 Correct 156 ms 4932 KB Output is correct
13 Correct 149 ms 4972 KB Output is correct
14 Incorrect 317 ms 4940 KB Output isn't correct
15 Halted 0 ms 0 KB -