제출 #176091

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
176091		mat_v	선물상자 (IOI15_boxes)	C++14	컴파일 에러	0 ms	0 KiB

boxes

#include <bits/stdc++.h>
#include "boxes.h"
#define maxn 10000005
using namespace std;
typedef long long ll;
int n,k;
int niz[maxn];
int d;
set<int>s;
ll dist(int l, int r){
    if(l > r)swap(l, r);
    ll res = min(r - l, l + d - r);
    return res;
}

long long delivery(int N, int K, int L, int p[]) {
    n = N, k = K, d = L;
    ff(i,1,n)niz[i] = p[i - 1];
    ff(i,1,n){
        s.insert(niz[i]);
    }
    int poz = 0;
    int cap = k;
    ll res = 0;
    while(s.size() > 0){
        if(cap == 0){
            res += dist(poz, 0);
            poz = 0;
            cap = k;
            continue;
        }
        int levi = *s.begin();
        int desni = *s.rbegin();
        int dist1 = dist(levi, poz);
        int dist2 = dist(desni, poz);
        int najbliza;
        if(dist1 < dist2)najbliza = levi;
        else najbliza = desni;
        if(abs(najbliza - poz) + dist(poz, 0) <= dist(najbliza,0) + dist(poz,0)){
            res += abs(najbliza - poz);
            poz = najbliza;
            cap--;
            s.erase(najbliza);
        }
        else{
            res += dist(poz, 0);
            poz = 0;
        }
    }
    return res;
}

컴파일 시 표준 에러 (stderr) 메시지

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:18:8: error: 'i' was not declared in this scope
     ff(i,1,n)niz[i] = p[i - 1];
        ^
boxes.cpp:18:5: error: 'ff' was not declared in this scope
     ff(i,1,n)niz[i] = p[i - 1];
     ^~
boxes.cpp:18:5: note: suggested alternative: 'ffs'
     ff(i,1,n)niz[i] = p[i - 1];
     ^~
     ffs
boxes.cpp:34:25: warning: conversion to 'int' from 'll {aka long long int}' may alter its value [-Wconversion]
         int dist1 = dist(levi, poz);
                     ~~~~^~~~~~~~~~~
boxes.cpp:35:25: warning: conversion to 'int' from 'll {aka long long int}' may alter its value [-Wconversion]
         int dist2 = dist(desni, poz);
                     ~~~~^~~~~~~~~~~~
boxes.cpp:16:47: warning: unused parameter 'p' [-Wunused-parameter]
 long long delivery(int N, int K, int L, int p[]) {
                                               ^