답안 #363603

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
363603	2021-02-06T16:49:19 Z	Sparky_09	선물상자 (IOI15_boxes)	C++17	컴파일 오류	0 ms	0 KB

boxes

#include "bits/stdc++.h"
using namespace std;
#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define all(x) begin(x), end(x)
#define trav(a, x) for(auto& a : x)
#define sz(x) (int)(x).size()
typedef long long ll;
typedef pair<ll, ll> pii;
typedef vector<ll> vi;
typedef vector<pii> vpi;

void usaco(string s){
  freopen((s+".in").c_str(), "r", stdin);
  freopen((s+".out").c_str(), "w", stdout);
}

ll maxn = 1e7+1000, n1, k1, l1;
ll pre[maxn+2], suf[maxn+2], pos1[maxn+2];

int delivery(int n, int k, int l, int pos[]){
	n1=n;k1=k;l1=l;
	for(int i = 0; i < n; i++) pos1[i] = pos[i];
	for(int i = 0; i < n; i++){
	  pre[i] = (i>=k?pre[i-k]+min(l1,2*pos1[i]):min(l1,2*pos1[i]));
	}
	for(int i = n-1; i >= 0; i--){
	  suf[i] = (i<=n-1-k?suf[i+k]+min(l1,2*(l1-pos1[i])):min(l1,2*(l1-pos1[i])));
	}
	ll ans = min(pre[0],suf[0]);
	for(int i = 0; i < n; i++){
	  ans = min(ans,  pre[i] + suf[i+1]);
	}
	return ans;
}

Compilation message

boxes.cpp:18:14: error: array bound is not an integer constant before ']' token
   18 | ll pre[maxn+2], suf[maxn+2], pos1[maxn+2];
      |              ^
boxes.cpp:18:27: error: array bound is not an integer constant before ']' token
   18 | ll pre[maxn+2], suf[maxn+2], pos1[maxn+2];
      |                           ^
boxes.cpp:18:41: error: array bound is not an integer constant before ']' token
   18 | ll pre[maxn+2], suf[maxn+2], pos1[maxn+2];
      |                                         ^
boxes.cpp: In function 'int delivery(int, int, int, int*)':
boxes.cpp:22:29: error: 'pos1' was not declared in this scope; did you mean 'pos'?
   22 |  for(int i = 0; i < n; i++) pos1[i] = pos[i];
      |                             ^~~~
      |                             pos
boxes.cpp:24:4: error: 'pre' was not declared in this scope
   24 |    pre[i] = (i>=k?pre[i-k]+min(l1,2*pos1[i]):min(l1,2*pos1[i]));
      |    ^~~
boxes.cpp:24:37: error: 'pos1' was not declared in this scope; did you mean 'pos'?
   24 |    pre[i] = (i>=k?pre[i-k]+min(l1,2*pos1[i]):min(l1,2*pos1[i]));
      |                                     ^~~~
      |                                     pos
boxes.cpp:27:4: error: 'suf' was not declared in this scope
   27 |    suf[i] = (i<=n-1-k?suf[i+k]+min(l1,2*(l1-pos1[i])):min(l1,2*(l1-pos1[i])));
      |    ^~~
boxes.cpp:27:45: error: 'pos1' was not declared in this scope; did you mean 'pos'?
   27 |    suf[i] = (i<=n-1-k?suf[i+k]+min(l1,2*(l1-pos1[i])):min(l1,2*(l1-pos1[i])));
      |                                             ^~~~
      |                                             pos
boxes.cpp:29:15: error: 'pre' was not declared in this scope
   29 |  ll ans = min(pre[0],suf[0]);
      |               ^~~
boxes.cpp:29:22: error: 'suf' was not declared in this scope
   29 |  ll ans = min(pre[0],suf[0]);
      |                      ^~~
boxes.cpp:33:9: warning: conversion from 'll' {aka 'long long int'} to 'int' may change value [-Wconversion]
   33 |  return ans;
      |         ^~~
boxes.cpp: In function 'void usaco(std::string)':
boxes.cpp:13:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   13 |   freopen((s+".in").c_str(), "r", stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
boxes.cpp:14:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   14 |   freopen((s+".out").c_str(), "w", stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~