Submission #534140

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
534140	2022-03-08T01:35:09 Z	LittleOrange	Self Study (JOI22_ho_t2)	C++17	0 / 100	474 ms	4940 KB

Main

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
ll n,m;
vector<pair<ll,ll> > dat;
bool isok(ll target){ // ans>=target;
    ll time = 0;
    for (int i = 0;i<n;i++){
        ll a = min(((target-1)/dat[i].first)+1,m);
        ll t = target - a*dat[i].first;
        time += a;
        if (t>0){
            time += ((t-1)/dat[i].second)+1;
        }
    }
    return time<=n*m;
}
ll check(ll l, ll r){
    if (l >= r) return l;
    ll mid = (r-l+1)/2+l;
    if (isok(mid)){
        return check(mid,r);
    }else{
        return check(l,mid-1);
    }
}
int main(){
    ios::sync_with_stdio(0);cin.tie(0);
    cin >> n >> m;
    dat.resize(n);
    for (int i = 0;i<n;i++){
        cin >> dat[i].first;
    }
    for (int i = 0;i<n;i++){
        cin >> dat[i].second;
        dat[i].first = max(dat[i].first, dat[i].second);
    }
    cout << check(1LL,1000000000000000000LL) << "\n";
}

Subtask #1

0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 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	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	4 ms	332 KB	Output is correct
11	Correct	228 ms	4940 KB	Output is correct
12	Correct	225 ms	4940 KB	Output is correct
13	Correct	238 ms	4940 KB	Output is correct
14	Incorrect	474 ms	4940 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	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	120 ms	2636 KB	Output is correct
10	Correct	78 ms	1868 KB	Output is correct
11	Correct	56 ms	1484 KB	Output is correct
12	Correct	47 ms	1228 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 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	10 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	1 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	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	4 ms	332 KB	Output is correct
11	Correct	228 ms	4940 KB	Output is correct
12	Correct	225 ms	4940 KB	Output is correct
13	Correct	238 ms	4940 KB	Output is correct
14	Incorrect	474 ms	4940 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	0 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	120 ms	2636 KB	Output is correct
10	Correct	78 ms	1868 KB	Output is correct
11	Correct	56 ms	1484 KB	Output is correct
12	Correct	47 ms	1228 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	0 ms	204 KB	Output is correct
15	Correct	1 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	10 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	1 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	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	4 ms	332 KB	Output is correct
11	Correct	228 ms	4940 KB	Output is correct
12	Correct	225 ms	4940 KB	Output is correct
13	Correct	238 ms	4940 KB	Output is correct
14	Incorrect	474 ms	4940 KB	Output isn't correct
15	Halted	0 ms	0 KB	-