답안 #828178

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
828178	2023-08-17T06:21:30 Z	RaresFelix	Self Study (JOI22_ho_t2)	C++17	0 / 100	516 ms	4980 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];
ll mini = INF;

bool ok(ll val, int dbg) {
    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);
            assert((m - ((val - 1) / A[i] + 1)) >= 0);
        } else {
            nr_sar -= (val - m * A[i] - 1) / B[i] + 1;
            assert(((val - m * A[i] - 1) / B[i] + 1) >= 0);
        }
    }
    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];
    }
    for(int i = 1; i <= n; ++i) mini = min(A[i], mini);
    ll st = 0, dr = INF, mij;
    while(st < dr) {
        mij = st + (dr - st + 1) / 2;
        if(ok(mij, 0)) {
            st = mij;
        }  else dr = mij - 1;
    }
    if(m == 1) {
        ok(st, 1);
        cout << st << "\n";
    } else 
        cout << st << "\n";
    return 0;
}

Subtask #1

0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 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	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	340 KB	Output is correct
11	Correct	320 ms	4904 KB	Output is correct
12	Correct	336 ms	4884 KB	Output is correct
13	Correct	293 ms	4916 KB	Output is correct
14	Incorrect	516 ms	4980 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #2

0 / 25.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 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	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	162 ms	2636 KB	Output is correct
10	Correct	111 ms	1784 KB	Output is correct
11	Correct	80 ms	1372 KB	Output is correct
12	Correct	65 ms	1232 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	212 KB	Output is correct
18	Incorrect	9 ms	384 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #3

0 / 27.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 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	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	340 KB	Output is correct
11	Correct	320 ms	4904 KB	Output is correct
12	Correct	336 ms	4884 KB	Output is correct
13	Correct	293 ms	4916 KB	Output is correct
14	Incorrect	516 ms	4980 KB	Output isn't correct
15	Halted	0 ms	0 KB	-

Subtask #4

0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 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	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	162 ms	2636 KB	Output is correct
10	Correct	111 ms	1784 KB	Output is correct
11	Correct	80 ms	1372 KB	Output is correct
12	Correct	65 ms	1232 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	212 KB	Output is correct
18	Incorrect	9 ms	384 KB	Output isn't correct
19	Halted	0 ms	0 KB	-

Subtask #5

0 / 9.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	212 KB	Output is correct
2	Correct	0 ms	212 KB	Output is correct
3	Correct	1 ms	212 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	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	340 KB	Output is correct
11	Correct	320 ms	4904 KB	Output is correct
12	Correct	336 ms	4884 KB	Output is correct
13	Correct	293 ms	4916 KB	Output is correct
14	Incorrect	516 ms	4980 KB	Output isn't correct
15	Halted	0 ms	0 KB	-