제출 #68406

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
68406		zetapi	선물상자 (IOI15_boxes)	C++14	10 / 100	2 ms	376 KiB

boxes

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

#define pb  push_back
#define mp  make_pair
#define ll  long long
#define itr ::iterator 

const int MAX=1e5;

ll N,K,L,sz,start[MAX],finish[MAX];

long long delivery(int N_,int K_, int L_,int P[]) 
{
	N=N_;
	K=K_;
	L=L_;
   	for(int A=0;A<N;A+=K)
   	{
   		start[A/K]=P[A];
   		finish[A/K]=P[min(A+K-1,N-1)];
   		sz++;
   	}
   	if(K==N)
   	{
   		return min((ll)L,min((ll)2*P[N-1],(ll)2*(L-P[0])));
   	}
   	ll res=0;
   	for(int A=0;A<sz;A++)
   	{
   		//cout<<start[A]<<" "<<finish[A]<<"\n";
   		res+=min(2*finish[A],min(2*(L-start[A]),L));
   	}
   	return res;
}

/*int main()
{
	ios_base::sync_with_stdio(false);

	int P[]={1,2,5};
	cout<<delivery(3,2,8,P)<<"\n";
	return 0;
}*/

컴파일 시 표준 에러 (stderr) 메시지

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:19:22: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
     for(int A=0;A<N;A+=K)
                     ~^~~

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