Submission #828147

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
828147	2023-08-17T06:03:21 Z	RaresFelix	Self Study (JOI22_ho_t2)	C++17	0 / 100	512 ms	5116 KB

Main

#include <bits/stdc++.h>

using namespace std;
using ll = long long;
const int MN = 300001;
const ll INF = 1e18 + 71;

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

bool ok(ll val) {
    if(!val) return 1;
    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	308 KB	Output is correct
4	Correct	0 ms	308 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	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	5 ms	468 KB	Output is correct
11	Correct	327 ms	5116 KB	Output is correct
12	Correct	335 ms	5072 KB	Output is correct
13	Correct	299 ms	5112 KB	Output is correct
14	Incorrect	512 ms	5108 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	308 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	308 KB	Output is correct
8	Correct	1 ms	308 KB	Output is correct
9	Correct	162 ms	2736 KB	Output is correct
10	Correct	109 ms	1984 KB	Output is correct
11	Correct	81 ms	1596 KB	Output is correct
12	Correct	65 ms	1316 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	308 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Incorrect	9 ms	340 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	308 KB	Output is correct
4	Correct	0 ms	308 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	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	5 ms	468 KB	Output is correct
11	Correct	327 ms	5116 KB	Output is correct
12	Correct	335 ms	5072 KB	Output is correct
13	Correct	299 ms	5112 KB	Output is correct
14	Incorrect	512 ms	5108 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	308 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	0 ms	212 KB	Output is correct
4	Correct	0 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	308 KB	Output is correct
8	Correct	1 ms	308 KB	Output is correct
9	Correct	162 ms	2736 KB	Output is correct
10	Correct	109 ms	1984 KB	Output is correct
11	Correct	81 ms	1596 KB	Output is correct
12	Correct	65 ms	1316 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	1 ms	308 KB	Output is correct
15	Correct	0 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	212 KB	Output is correct
18	Incorrect	9 ms	340 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	308 KB	Output is correct
4	Correct	0 ms	308 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	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	5 ms	468 KB	Output is correct
11	Correct	327 ms	5116 KB	Output is correct
12	Correct	335 ms	5072 KB	Output is correct
13	Correct	299 ms	5112 KB	Output is correct
14	Incorrect	512 ms	5108 KB	Output isn't correct
15	Halted	0 ms	0 KB	-