Submission #165289

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
165289	2019-11-26 11:00:15	Segtree	고대 책들 (IOI17_books)	C++14	50 / 100	187 ms	13232 KiB

books

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#include<iostream>
#include<algorithm>
#include<vector>
#include"books.h"
using namespace std;
typedef long long ll;
#define chmin(a,b) a=min(a,b)
#define chmax(a,b) a=max(a,b)
#define N 1000010
ll minimum_walk(vector<int> p,int s){
    int n=p.size();
    ll sum=0;
    for(int i=0;i<n;i++)sum+=abs(i-p[i]);
    bool vis[N];
    for(int i=0;i<n;i++)vis[i]=0;
    vector<pair<int,int> >v;
    bool th=0;
    for(int i=0;i<n;i++){
  if(vis[i])continue;
  ll x=i;
  ll mi=1e17,ma=-1e17;
  while(1){
      chmin(mi,x);
      chmax(ma,x);
      vis[x]=1;
      x=p[x];
      if(x==i)break;
  }
  if(mi!=ma){
      v.push_back(make_pair(mi,ma));
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

books.cpp: In function 'll minimum_walk(std::vector<int>, int)':
books.cpp:37:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<v.size();i++){
              ~^~~~~~~~~
books.cpp:46:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<v.size();i++){
                 ~^~~~~~~~~

• Subtask 1: 12 / 12
• Subtask 2: 10 / 10
• Subtask 3: 28 / 28
• Subtask 4: 0 / 20
• Subtask 5: 0 / 30