Submission #434868

#	Time	Username	Problem	Language	Result	Execution time	Memory
434868		jeqcho	Boxes with souvenirs (IOI15_boxes)	C++17	10 / 100	3 ms	460 KiB

boxes

#include "boxes.h"
#include <bits/stdc++.h>
using namespace std;

typedef long double ld;
typedef long long ll;
typedef pair<int,int> pii;
typedef vector<int> vi;
typedef vector<pair<int,int>> vpi;

#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define F0R(i,a) FOR(i,0,a)
#define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i)
#define R0F(i,a) ROF(i,0,a)
#define trav(a,x) for (auto& a: x)

#define pb push_back
#define rsz resize
#define sz(x) int(x.size())
#define all(x) begin(x), end(x)
#define fi first
#define se second

int const N=1e7+3;

ll delivery(int n, int K, int L1, int p1[]) {
	ll L=L1;
	vector<ll> p(n);
	F0R(i,n)p[i]=p1[i];
	if(K==1)
	{
		ll ans=0;
		F0R(i,n)
		{
			ans+=min(p[i],L-p[i]);
		}
		 return ans*2;
	}
	else if(K==n)
	{
		p.pb(0);
		p.pb(L);
		sort(all(p));
		ll ans=4e18;
		F0R(i,n+1)
		{
			ll cand = p[i] + L-p[i+1];
			ans=min(ans,cand);
		}
		return ans*2;
	}
}

Compilation message (stderr)

boxes.cpp: In function 'll delivery(int, int, int, int*)':
boxes.cpp:28:16: warning: control reaches end of non-void function [-Wreturn-type]
   28 |  vector<ll> p(n);
      |                ^

• Subtask 1: 10 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30