Submission #937952

#	Time	Username	Problem	Language	Result	Execution time	Memory
937952		Litusiano	Self Study (JOI22_ho_t2)	C++17	0 / 100	432 ms	12076 KiB

Main

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define endl "\n"
 
vector<pair<int,int>> v;
int n,m;
bool check(int mid){
	vector<int> need(n);
	int left = 0;
	for(int i = 0; i<n; i++){
		int z = max(v[i].first, v[i].second);
		int k = (mid+z-1)/z;
		if(k > m) need[i] = mid-(m * z);
		else left+=m-k;
	}
	for(int i = 0; i<n; i++){
		left -= (need[i] + v[i].second - 1)/v[i].second;	
	}
	return left>=0;
}
 
signed main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cin>>n>>m;
	v.resize(n);
	for(auto& x : v) cin>>x.first; for(auto& x : v) cin>>x.second;
	int l = 0; int r = 1e18;
	while(r > l+1){
		int mid = (l+r)>>1;
		if(check(mid)) l = mid;
		else r = mid;
	}
	cout<<l<<endl;
}	

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:28:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   28 |  for(auto& x : v) cin>>x.first; for(auto& x : v) cin>>x.second;
      |  ^~~
Main.cpp:28:33: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   28 |  for(auto& x : v) cin>>x.first; for(auto& x : v) cin>>x.second;
      |                                 ^~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 25
• Subtask 3: 0 / 27
• Subtask 4: 0 / 29
• Subtask 5: 0 / 9