oj.uz

답안 #718130

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
718130 2023-04-03T11:48:57 Z mychecksedad Self Study (JOI22_ho_t2) C++17
0 / 100
 122 ms 6876 KB 
/* Author : Mychecksdead */
#include<bits/stdc++.h>
using namespace std;
typedef long long int ll;
#define MOD (1000000000+7)
#define MOD1 (998244353)
#define PI 3.1415926535
#define pb push_back
#define all(x) x.begin(), x.end()
const int N = 1e6, M = 1e5+10, K = 20;


ll n, m, c, ls, rs, s, mn = 1e18;
array<ll, 2> a[N];
vector<array<ll, 2>> lt, rt;
void solve(){
  cin >> n >> m;
  for(int i = 0; i < n; ++i) cin >> a[i][0];
  for(int i = 0; i < n; ++i) cin >> a[i][1];

  for(int i = 0; i < n; ++i){
    if(a[i][0] >= a[i][1])
      lt.pb(a[i]);
    else
      rt.pb(a[i]);
    mn = min(a[i][0], mn);
  }

  ls = lt.size();
  rs = rt.size();

  ll l = 0, r = 2e18, ans = 0;

  while(l <= r){
    ll mid = (l+r) >> 1;

    s = 0;
    for(int i = 0; i < ls; ++i){
      c = (mid + lt[i][0] - 1) / lt[i][0]; 
      if(c > m){
        s -= (mid - lt[i][0] * m + (lt[i][1] - 1)) / lt[i][1];
      }else{
        s += m - c;
      }
    }

    for(int i = 0; i < rs; ++i){
      if(mid - m * rt[i][1] > 0){
        s -= (mid - m * rt[i][1] + (rt[i][1] - 1)) / rt[i][1];
      }else{
        s += m - (mid + rt[i][1] - 1) / rt[i][1];
      }
    }


    if(s >= 0){
      l = mid + 1;
      ans = mid;
    }else{
      r = mid - 1;
    }
  }
  if(m==1&& mn!=ans){
    assert(0);
  }

  cout << ans;
}


int main(){
  cin.tie(0); ios::sync_with_stdio(0);
  int T = 1, aa;
  // cin >> T;aa=T;
  while(T--){
    // cout << "Case #" << aa-T << ": ";
    solve();
  }
  return 0;
 
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:73:14: warning: unused variable 'aa' [-Wunused-variable]
   73 |   int T = 1, aa;
      |              ^~

Subtask #1
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 1 ms 468 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# 결과 실행 시간 메모리 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 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 122 ms 6876 KB Output is correct
10 Correct 87 ms 4060 KB Output is correct
11 Correct 61 ms 3676 KB Output is correct
12 Correct 50 ms 2376 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 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 9 ms 596 KB Output isn't correct
19 Halted 0 ms 0 KB -

Subtask #3
0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 1 ms 468 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #4
0 / 29.0

# 결과 실행 시간 메모리 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 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 122 ms 6876 KB Output is correct
10 Correct 87 ms 4060 KB Output is correct
11 Correct 61 ms 3676 KB Output is correct
12 Correct 50 ms 2376 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 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 9 ms 596 KB Output isn't correct
19 Halted 0 ms 0 KB -

Subtask #5
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 1 ms 468 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -