Submission #620192

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
620192	2022-08-03 03:15:31	CSQ31	Cake 3 (JOI19_cake3)	C++17	24 / 100	4066 ms	7984 KiB

cake3

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#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define fi first
#define se second
#define sz(a) (int)(a.size())
#define all(a) a.begin(),a.end()
#define lb lower_bound
#define ub upper_bound
#define owo ios_base::sync_with_stdio(0);cin.tie(0);
#define MOD (ll)(998244353)
#define INF (ll)(5e18)
#define debug(...) fprintf(stderr, __VA_ARGS__),fflush(stderr)
#define time__(d) for(long blockTime = 0; (blockTime == 0 ? (blockTime=clock()) != 0 : false);\
debug("%s time : %.4fs\n", d, (double)(clock() - blockTime) / CLOCKS_PER_SEC))
typedef long long int ll;
typedef long double ld;
typedef pair<ll,ll> PII;
typedef pair<int,int> pii;
typedef vector<vector<int>> vii;
typedef vector<vector<ll>> VII;
int main(){
  int n,m;
  cin>>n>>m;
  vector<PII>v(n);
  for(int i=0;i<n;i++)cin>>v[i].se>>v[i].fi;
  sort(all(v));
  ll ans = -1e18;
  for(int i=m-1;i<n;i++){
    ll sum = v[i].se - 2*v[i].fi; //right endpoint
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 19 / 19
• Subtask 3: 0 / 76