oj.uz

Submission #703372

# Submission time Handle Problem Language Result Execution time Memory
703372 2023-02-27T07:37:35 Z niter Self Study (JOI22_ho_t2) C++14
0 / 100
 564 ms 5588 KB 
#include <bits/stdc++.h>
#define loop(i,a,b) for(int i=a;i<b;i++)
#define pii pair<long long,int>
#define ff first
#define ss second
#define mp make_pair
#define pb push_back
#define STL(i, x) for(auto &i:x) cout << i << " "; cout << "\n";
using namespace std;

long long a[300050], b[300050], as[300050];

/*ostream& operator<<(ostream &os, pii XXX){
    cout << "[" << XXX.ff << ", " << XXX.ss << "]";
}
void db(){
    cout << "\n";
}
template<class T, class ...U>
void db(T XXX, U ...YYY){
    cout << XXX;  db(YYY...);
}*/

int main(){
    long long n, m, all;
    cin >> n >> m;
    all = n * m;
    loop(i,0,n) cin >> a[i];
    loop(i,0,n) cin >> b[i];
    long long l = 1, r = (long long)(1e18), mid;
    long long cost, tmp_pay, classes;
    while(l != r){
        mid = (l + r + 1) >> 1;
        classes = 0;
        loop(i,0,n){
            cost = mid;
            if(b[i] >= a[i]){
                classes += ((cost-1) / b[i] + 1);
            }
            else{
                tmp_pay = min(((cost-1) / a[i] + 1), m);
                classes += tmp_pay;
                cost -= tmp_pay * a[i];
                if(cost <= 0) continue;

                tmp_pay = ((cost-1) / b[i] + 1);
                classes += tmp_pay;
            }
            //db(i, ' ', classes);
        }
        if(classes > all){
            r = mid - 1;
        }
        else{
            l = mid;
        }
    }
    cout << l << "\n";
    return 0;
}
/*
3 3
19 4 5
2 6 2
*/

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 304 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 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 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 6 ms 480 KB Output is correct
11 Correct 350 ms 5488 KB Output is correct
12 Correct 358 ms 5488 KB Output is correct
13 Correct 260 ms 5588 KB Output is correct
14 Incorrect 564 ms 5492 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 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 312 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 181 ms 3260 KB Output is correct
10 Correct 107 ms 2336 KB Output is correct
11 Correct 81 ms 1980 KB Output is correct
12 Correct 64 ms 1672 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 312 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Incorrect 6 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 304 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 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 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 6 ms 480 KB Output is correct
11 Correct 350 ms 5488 KB Output is correct
12 Correct 358 ms 5488 KB Output is correct
13 Correct 260 ms 5588 KB Output is correct
14 Incorrect 564 ms 5492 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 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 312 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 181 ms 3260 KB Output is correct
10 Correct 107 ms 2336 KB Output is correct
11 Correct 81 ms 1980 KB Output is correct
12 Correct 64 ms 1672 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 312 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 304 KB Output is correct
18 Incorrect 6 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 304 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 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 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 6 ms 480 KB Output is correct
11 Correct 350 ms 5488 KB Output is correct
12 Correct 358 ms 5488 KB Output is correct
13 Correct 260 ms 5588 KB Output is correct
14 Incorrect 564 ms 5492 KB Output isn't correct
15 Halted 0 ms 0 KB -