Submission #528134

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
528134	2022-02-19T11:12:40 Z	doowey	Self Study (JOI22_ho_t2)	C++14	0 / 100	426 ms	5036 KB

Main

#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;
    int 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)1e17;
    ll mid;
    ll have = 0;
    ll need = 0;
    ll take;
    ll rem;
    while(li + 1 < ri){
        mid = (li + ri) / 2;
        have = 0;
        need = 0;
        for(int i = 1; i <= n; i ++ ){
            take = ceil(mid, A[i]);
            if(take <= m){
                have += m - take;
            }
            else{
                rem = mid - A[i] * 1ll * m;
                if(rem >= 0) need += ceil(rem, B[i]);
            }
        }
        if(have >= need){
            li = mid;
        }
        else{
            ri = mid;
        }
    }
    cout << li << "\n";
    return 0;
}

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	1 ms	204 KB	Output is correct
4	Correct	1 ms	332 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	1 ms	204 KB	Output is correct
10	Correct	4 ms	400 KB	Output is correct
11	Correct	204 ms	4988 KB	Output is correct
12	Correct	233 ms	4996 KB	Output is correct
13	Correct	216 ms	4992 KB	Output is correct
14	Incorrect	426 ms	5036 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	1 ms	204 KB	Output is correct
9	Correct	113 ms	2656 KB	Output is correct
10	Correct	74 ms	1868 KB	Output is correct
11	Correct	55 ms	1480 KB	Output is correct
12	Correct	43 ms	1248 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	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Incorrect	9 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	1 ms	204 KB	Output is correct
4	Correct	1 ms	332 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	1 ms	204 KB	Output is correct
10	Correct	4 ms	400 KB	Output is correct
11	Correct	204 ms	4988 KB	Output is correct
12	Correct	233 ms	4996 KB	Output is correct
13	Correct	216 ms	4992 KB	Output is correct
14	Incorrect	426 ms	5036 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	1 ms	204 KB	Output is correct
9	Correct	113 ms	2656 KB	Output is correct
10	Correct	74 ms	1868 KB	Output is correct
11	Correct	55 ms	1480 KB	Output is correct
12	Correct	43 ms	1248 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	1 ms	204 KB	Output is correct
17	Correct	1 ms	204 KB	Output is correct
18	Incorrect	9 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	1 ms	204 KB	Output is correct
4	Correct	1 ms	332 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	1 ms	204 KB	Output is correct
10	Correct	4 ms	400 KB	Output is correct
11	Correct	204 ms	4988 KB	Output is correct
12	Correct	233 ms	4996 KB	Output is correct
13	Correct	216 ms	4992 KB	Output is correct
14	Incorrect	426 ms	5036 KB	Output isn't correct
15	Halted	0 ms	0 KB	-