답안 #828157

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
828157	2023-08-17T06:07:52 Z	RaresFelix	Self Study (JOI22_ho_t2)	C++17	0 / 100	515 ms	10616 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;
    }
    ll mini = INF;
    for(int i = 1; i <= n; ++i) mini = min(A[i], mini);
    if(m == 1) {
        assert(mini == st);
    }
    cout << st << "\n";
    return 0;
}

Subtask #1

0 / 10.0

#	결과	실행 시간	메모리	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	0 ms	212 KB	Output is correct
5	Correct	1 ms	300 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 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	363 ms	5704 KB	Output is correct
12	Correct	320 ms	5716 KB	Output is correct
13	Correct	295 ms	5716 KB	Output is correct
14	Runtime error	515 ms	10616 KB	Execution killed with signal 6
15	Halted	0 ms	0 KB	-

Subtask #2

0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	308 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	308 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	164 ms	3384 KB	Output is correct
10	Correct	109 ms	2548 KB	Output is correct
11	Correct	83 ms	2236 KB	Output is correct
12	Correct	66 ms	2000 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	308 KB	Output is correct
18	Incorrect	9 ms	400 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #3

0 / 27.0

#	결과	실행 시간	메모리	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	0 ms	212 KB	Output is correct
5	Correct	1 ms	300 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 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	363 ms	5704 KB	Output is correct
12	Correct	320 ms	5716 KB	Output is correct
13	Correct	295 ms	5716 KB	Output is correct
14	Runtime error	515 ms	10616 KB	Execution killed with signal 6
15	Halted	0 ms	0 KB	-

Subtask #4

0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	212 KB	Output is correct
3	Correct	0 ms	308 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	0 ms	212 KB	Output is correct
6	Correct	0 ms	308 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	0 ms	212 KB	Output is correct
9	Correct	164 ms	3384 KB	Output is correct
10	Correct	109 ms	2548 KB	Output is correct
11	Correct	83 ms	2236 KB	Output is correct
12	Correct	66 ms	2000 KB	Output is correct
13	Correct	1 ms	212 KB	Output is correct
14	Correct	0 ms	212 KB	Output is correct
15	Correct	1 ms	212 KB	Output is correct
16	Correct	0 ms	212 KB	Output is correct
17	Correct	0 ms	308 KB	Output is correct
18	Incorrect	9 ms	400 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #5

0 / 9.0

#	결과	실행 시간	메모리	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	0 ms	212 KB	Output is correct
5	Correct	1 ms	300 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	1 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	363 ms	5704 KB	Output is correct
12	Correct	320 ms	5716 KB	Output is correct
13	Correct	295 ms	5716 KB	Output is correct
14	Runtime error	515 ms	10616 KB	Execution killed with signal 6
15	Halted	0 ms	0 KB	-