제출 #419154

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
419154		LouayFarah	선물상자 (IOI15_boxes)	C++14	컴파일 에러	0 ms	0 KiB

boxes

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

int delivery(int n, int k, int l, int positions[])
{
    if(k==1)
    {
        int res = 0;
        for(int i = 0; i<n; i++)
        {
            if(positions[i]>l/2)
            {
                res+=2*(l-positions[i]);
            }
            else
            {
                res+=2*(positions[i]);
            }
        }
        return res;
    }
    else if(k==n)
    {
        long long a = 0, b = 0, c = 0, d = 1e18;
        a = l;
        b = 2*positions[n-1];
        c = 2*(l - positions[0]);
        long long left = -1, right = 0;
        for(int i = 0; i<n; i++)
        {
            if(positions[i]>=l/2)
            {
                if(i>0)
                {
                    left = positions[i];
                    right = positions[i-1];
                    break;
                }
                else
                    break;
            }
        }

        if(left!=-1)
            d = 2*(l - left) + 2*right;

        return min(min(a,b), min(c, d));

    }
    else
    {

    }
}

컴파일 시 표준 에러 (stderr) 메시지

boxes.cpp:5:5: error: ambiguating new declaration of 'int delivery(int, int, int, int*)'
    5 | int delivery(int n, int k, int l, int positions[])
      |     ^~~~~~~~
In file included from boxes.cpp:2:
boxes.h:4:11: note: old declaration 'long long int delivery(int, int, int, int*)'
    4 | long long delivery(int N, int K, int L, int p[]);
      |           ^~~~~~~~
boxes.cpp: In function 'int delivery(int, int, int, int*)':
boxes.cpp:48:19: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   48 |         return min(min(a,b), min(c, d));
      |                ~~~^~~~~~~~~~~~~~~~~~~~~
boxes.cpp:55:1: warning: control reaches end of non-void function [-Wreturn-type]
   55 | }
      | ^