oj.uz

Submission #947647

# Submission time Handle Problem Language Result Execution time Memory
947647 2024-03-16T17:35:10 Z veljko Self Study (JOI22_ho_t2) C++17
0 / 100
 2 ms 348 KB 
/*****from dust I have come, dust I will be*****/
#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
 
using namespace __gnu_pbds;
using namespace std;
#define int long long
#define forn(i,n) for(int i=0;i<n;i++)
int dx[8] = { 1, 0, -1, 0, -1, 1, -1, 1 };
int dy[8] = { 0, 1, 0, -1, -1, 1, 1, -1 };
int ceil_div(int a, int b) {return a % b == 0 ? a / b : a / b + 1;}
 
const int MOD = 1000000007;
//const int MOD = 998244353;
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> pbds; // find_by_order, order_of_key
 
/*
int k = A.order_of_key(p[i].second);
A.erase(A.find_by_order(k));
erase element from pbds multiset
*/

int formula(int target, int a){
    int l = 0, r = 2 * 1e18;
    int ans = 0;
    while (l <= r){
        int mid = (l + r) / 2;
        if (a * mid >= target){
            ans = mid;
            r = mid - 1;
        }
        else l = mid + 1;
    }
    return ans;
}

bool ok(vector<int>&a, int n, int v, int target){
    forn(i,n){
        int x = formula(target, a[i]);
        v -= x;
    }
    return v >= 0;
}

int binary(vector<int>&a, int n, int v){
    int l = 0, r = 2 * 1e18;
    int ans = 0;
    while (l <= r){
        int mid = (l + r) / 2;
        if (ok(a, n, v, mid)){
            ans = mid;
            l = mid + 1;
        }
        else r = mid - 1;
    }
    return ans;
}

void solve(){
    int n, m; cin >> n >> m;
    vector<int>a(n); for (auto &t : a) cin >> t;
    vector<int>b(n); for (auto &t : b) cin >> t;
    cout << binary(a, n, n*m)<<'\n';
    
}
 
int32_t main(){
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
 
    #ifndef ONLINE_JUDGE
        freopen("input.txt", "r", stdin);
        freopen("output.txt", "w", stdout);
    #endif
 
    int t = 1; //cin >>t;
    for (int i=1;i<=t;i++){
        solve();
    }
    return 0;
}

Compilation message

Main.cpp: In function 'int32_t main()':
Main.cpp:72:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   72 |         freopen("input.txt", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:73:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   73 |         freopen("output.txt", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -