oj.uz

Submission #703381

# Submission time Handle Problem Language Result Execution time Memory
703381 2023-02-27T08:12:18 Z niter Self Study (JOI22_ho_t2) C++14
0 / 100
 565 ms 4980 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;
        //db("mid = ", mid);
        classes = 0;
        loop(i,0,n){
            cost = mid;
            if(b[i] >= a[i]){
                classes += ((cost-1) / b[i] + 1);
            }
            else{
                tmp_pay = min<long long>(((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;
        }
        //db();
    }
    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 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 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 1 ms 332 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 6 ms 340 KB Output is correct
11 Correct 359 ms 4952 KB Output is correct
12 Correct 373 ms 4916 KB Output is correct
13 Correct 253 ms 4980 KB Output is correct
14 Incorrect 565 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 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 0 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 194 ms 2528 KB Output is correct
10 Correct 108 ms 1760 KB Output is correct
11 Correct 84 ms 1416 KB Output is correct
12 Correct 63 ms 1172 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 1 ms 212 KB Output is correct
18 Incorrect 6 ms 396 KB Output isn't correct
19 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory 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 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 1 ms 332 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 6 ms 340 KB Output is correct
11 Correct 359 ms 4952 KB Output is correct
12 Correct 373 ms 4916 KB Output is correct
13 Correct 253 ms 4980 KB Output is correct
14 Incorrect 565 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 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 0 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 194 ms 2528 KB Output is correct
10 Correct 108 ms 1760 KB Output is correct
11 Correct 84 ms 1416 KB Output is correct
12 Correct 63 ms 1172 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 1 ms 212 KB Output is correct
18 Incorrect 6 ms 396 KB Output isn't correct
19 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory 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 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 1 ms 332 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 6 ms 340 KB Output is correct
11 Correct 359 ms 4952 KB Output is correct
12 Correct 373 ms 4916 KB Output is correct
13 Correct 253 ms 4980 KB Output is correct
14 Incorrect 565 ms 4940 KB Output isn't correct
15 Halted 0 ms 0 KB -