Submission #538050

# Submission time Handle Problem Language Result Execution time Memory
538050 2022-03-16T04:05:02 Z ddy888 Self Study (JOI22_ho_t2) C++17
0 / 100
274 ms 5004 KB
#undef _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define int long long 
#define pb push_back
#define fi first
#define si second
#define ar array
typedef pair<int,int> pi;
typedef tuple<int,int,int> ti;  
void debug_out() {cerr<<endl;}
template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {cerr<<" "<<to_string(H);debug_out(T...);}
#define debug(...) cerr<<"["<<#__VA_ARGS__<<"]:",debug_out(__VA_ARGS__)

int N, M;
int A[300010], B[300010];

int good(int x) {
    int cnt = 0;
    for (int i = 1; i <= N; ++i) {
        int co, st;
        if (A[i] >= B[i]) { 
            if (M * A[i] < x) {
                co = M;
                st = (x - (M * A[i]) + B[i] - 1) / B[i];
            } else {
                co = (x + A[i] - 1) / A[i];
                st = 0;
            }
        } else {
            st = (x + B[i] - 1) / B[i];
            co = 0;
        }
        if (st * B[i] + co * A[i] < x) return 0;
        cnt += co + st;
    }
    return cnt <= M * N;
}

signed main() {
    fast;
    cin >> N >> M;
    for (int i = 1; i <= N; ++i) cin >> A[i];
    for (int i = 1; i <= N; ++i) cin >> B[i];
    int lo = 0, hi = 1e16;
    while (lo + 1 < hi) {
        int mid = (lo + hi) >> 1;
        if (good(mid)) lo = mid;
        else hi = mid;
    }
    cout << lo;
    return 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 244 KB Output is correct
4 Correct 0 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 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 172 ms 5000 KB Output is correct
12 Correct 179 ms 5004 KB Output is correct
13 Correct 166 ms 5000 KB Output is correct
14 Incorrect 274 ms 4996 KB Output isn't correct
15 Halted 0 ms 0 KB -
# 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 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 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 81 ms 2752 KB Output is correct
10 Correct 54 ms 1876 KB Output is correct
11 Correct 45 ms 1500 KB Output is correct
12 Correct 41 ms 1144 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 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 4 ms 340 KB Output isn't correct
19 Halted 0 ms 0 KB -
# 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 244 KB Output is correct
4 Correct 0 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 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 172 ms 5000 KB Output is correct
12 Correct 179 ms 5004 KB Output is correct
13 Correct 166 ms 5000 KB Output is correct
14 Incorrect 274 ms 4996 KB Output isn't correct
15 Halted 0 ms 0 KB -
# 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 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 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 81 ms 2752 KB Output is correct
10 Correct 54 ms 1876 KB Output is correct
11 Correct 45 ms 1500 KB Output is correct
12 Correct 41 ms 1144 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 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 4 ms 340 KB Output isn't correct
19 Halted 0 ms 0 KB -
# 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 244 KB Output is correct
4 Correct 0 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 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 4 ms 340 KB Output is correct
11 Correct 172 ms 5000 KB Output is correct
12 Correct 179 ms 5004 KB Output is correct
13 Correct 166 ms 5000 KB Output is correct
14 Incorrect 274 ms 4996 KB Output isn't correct
15 Halted 0 ms 0 KB -