Submission #828139

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
828139	2023-08-17T05:48:04 Z	RaresFelix	Self Study (JOI22_ho_t2)	C++17	0 / 100	511 ms	10848 KB

Main

#include <bits/stdc++.h>

using namespace std;
using ll = long long;
const int MN = 300001;
const ll INF = 1e18;

ll n, m, A[MN], B[MN];

bool ok(ll val) {
    ll nr_sar = 0;
    for(int i = 1; i <= n; ++i) {
        if((val - 1) / A[i] + 1 <= m) {
            nr_sar += m - ((val - 1) / A[i] + 1);
        } else {
            nr_sar -= (val - m * A[i] - 1) / B[i] + 1;
        }
    }
    return (nr_sar >= 0);
}

int main() {
    cin >> n >> m;
    for(int i = 1; i <= n; ++i) cin >> A[i];
    for(int i = 1; i <= n; ++i) {
        cin >> B[i];
        if(A[i] < B[i]) A[i] = B[i];
    }
    ll st = 0, dr = INF, mij;
    while(st < dr) {
        mij = st + (dr - st + 1) / 2;
        if(ok(mij)) {
            st = mij;
        }  else dr = mij - 1;
    }
    cout << st << "\n";
    return 0;
}

Subtask #1

0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	304 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	5 ms	448 KB	Output is correct
11	Correct	322 ms	10720 KB	Output is correct
12	Correct	326 ms	10848 KB	Output is correct
13	Correct	318 ms	8800 KB	Output is correct
14	Incorrect	511 ms	8792 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #2

0 / 25.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	304 KB	Output is correct
5	Correct	0 ms	304 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	162 ms	5544 KB	Output is correct
10	Correct	114 ms	3796 KB	Output is correct
11	Correct	80 ms	2916 KB	Output is correct
12	Correct	66 ms	2384 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	2 ms	308 KB	Output is correct
15	Correct	0 ms	308 KB	Output is correct
16	Correct	1 ms	304 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Incorrect	9 ms	324 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #3

0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	304 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	5 ms	448 KB	Output is correct
11	Correct	322 ms	10720 KB	Output is correct
12	Correct	326 ms	10848 KB	Output is correct
13	Correct	318 ms	8800 KB	Output is correct
14	Incorrect	511 ms	8792 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #4

0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	1 ms	304 KB	Output is correct
5	Correct	0 ms	304 KB	Output is correct
6	Correct	1 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	162 ms	5544 KB	Output is correct
10	Correct	114 ms	3796 KB	Output is correct
11	Correct	80 ms	2916 KB	Output is correct
12	Correct	66 ms	2384 KB	Output is correct
13	Correct	1 ms	340 KB	Output is correct
14	Correct	2 ms	308 KB	Output is correct
15	Correct	0 ms	308 KB	Output is correct
16	Correct	1 ms	304 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Incorrect	9 ms	324 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #5

0 / 9.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	304 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	0 ms	212 KB	Output is correct
10	Correct	5 ms	448 KB	Output is correct
11	Correct	322 ms	10720 KB	Output is correct
12	Correct	326 ms	10848 KB	Output is correct
13	Correct	318 ms	8800 KB	Output is correct
14	Incorrect	511 ms	8792 KB	Output isn't correct
15	Halted	0 ms	0 KB	-