Submission #69101

#	Time	Username	Problem	Language	Result	Execution time	Memory
69101		TuGSGeReL	Boxes with souvenirs (IOI15_boxes)	C++14	100 / 100	1074 ms	249280 KiB

boxes

#include "boxes.h"
#include<bits/stdc++.h>
using namespace std;
int i;
vector<long long> a,b;
long long delivery(int n, int k, int l, int p[]) {
	sort(p,p+n);
	a.push_back(0);
	b.push_back(0);
	for(i=0;i<n;i++) a.push_back(min(p[i]*2,l)),p[i]=l-p[i];
	for(i=n-1;i>=0;i--) b.push_back(min(p[i]*2,l));
	for(i=k;i<a.size();i++){
		a[i]+=a[i-k];
		b[i]+=b[i-k];
	}
	long long ans=1e15;
	for(i=0;i<=n;i++)ans=min(ans,a[i]+b[n-i]);
    return ans;
}

Compilation message (stderr)

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:12:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(i=k;i<a.size();i++){
          ~^~~~~~~~~

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