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Submission #528139

# Submission time Handle Problem Language Result Execution time Memory
528139 2022-02-19T11:28:06 Z doowey Self Study (JOI22_ho_t2) C++14
0 / 100
 298 ms 4992 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 1 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 0 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 3 ms 332 KB Output is correct
11 Correct 157 ms 4920 KB Output is correct
12 Correct 156 ms 4892 KB Output is correct
13 Correct 149 ms 4992 KB Output is correct
14 Incorrect 298 ms 4992 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 1 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 0 ms 204 KB Output is correct
9 Correct 79 ms 2652 KB Output is correct
10 Correct 54 ms 1872 KB Output is correct
11 Correct 40 ms 1492 KB Output is correct
12 Correct 33 ms 1252 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 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 0 ms 204 KB Output is correct
18 Incorrect 5 ms 332 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 1 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 0 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 3 ms 332 KB Output is correct
11 Correct 157 ms 4920 KB Output is correct
12 Correct 156 ms 4892 KB Output is correct
13 Correct 149 ms 4992 KB Output is correct
14 Incorrect 298 ms 4992 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 1 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 0 ms 204 KB Output is correct
9 Correct 79 ms 2652 KB Output is correct
10 Correct 54 ms 1872 KB Output is correct
11 Correct 40 ms 1492 KB Output is correct
12 Correct 33 ms 1252 KB Output is correct
13 Correct 1 ms 332 KB Output is correct
14 Correct 1 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 0 ms 204 KB Output is correct
18 Incorrect 5 ms 332 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 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 0 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 3 ms 332 KB Output is correct
11 Correct 157 ms 4920 KB Output is correct
12 Correct 156 ms 4892 KB Output is correct
13 Correct 149 ms 4992 KB Output is correct
14 Incorrect 298 ms 4992 KB Output isn't correct
15 Halted 0 ms 0 KB -