제출 #717304

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
717304		tigar	선물상자 (IOI15_boxes)	C++14	컴파일 에러	0 ms	0 KiB

boxes

#include "boxes.h"
#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

ll dpcw[10000010], dpccw[10000010], pos[10000010];

ll delivery(ll N, ll K, ll L, ll* positions)
{
    sort(positions, positions+N);
    for(int i=0; i<K; i++)dpccw[i]=min(L, 2*positions[i]);
    for(int i=K; i<N; i++)dpccw[i]=dpccw[i-K]+min(L, 2*positions[i]);
    for(int i=N-1; i>N-K; i--)dpcw[i]=min(N, (N-positions[i])*2);
    for(int i=N-K; i>=0; i--)dpcw[i]=dpcw[i+K]+min(N, (N-positions[i])*2);
    ll rezz=dpcw[0];
    for(int i=0; i<N-1; i++)rezz=min(rezz, dpcw[i+1]+dpccw[i]);
    rezz=min(rezz, dpccw[N-1]);
    return rezz;
}

/*int main()
{
    ll n, k, l;
    cin>>n>>k>>l;
    for(int i=0; i<n; i++)cin>>pos[i];
    cout<<delivery(n, k, l, pos);
    return 0;
}*/

컴파일 시 표준 에러 (stderr) 메시지

boxes.cpp: In function 'll delivery(ll, ll, ll, ll*)':
boxes.cpp:13:15: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
   13 |     for(int i=K; i<N; i++)dpccw[i]=dpccw[i-K]+min(L, 2*positions[i]);
      |               ^
boxes.cpp:14:16: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
   14 |     for(int i=N-1; i>N-K; i--)dpcw[i]=min(N, (N-positions[i])*2);
      |               ~^~
boxes.cpp:15:16: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
   15 |     for(int i=N-K; i>=0; i--)dpcw[i]=dpcw[i+K]+min(N, (N-positions[i])*2);
      |               ~^~
/usr/bin/ld: /tmp/ccECMiYX.o: in function `main':
grader.c:(.text.startup+0x1ef): undefined reference to `delivery(int, int, int, int*)'
collect2: error: ld returned 1 exit status