Submission #283824

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
283824	2020-08-26 07:40:23	erd1	Ancient Books (IOI17_books)	C++14	50 / 100	1688 ms	88376 KiB

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#include "books.h"
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define ff first
#define ss second
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
typedef pair<int, int> pii;
typedef long long lld;
typedef long double ld;
template<typename Iter>
ostream& outIt(ostream& out, Iter b, Iter e){
  for(Iter i = b; i != e; ++i)
    out << (i == b?"":" ") << *i;
  return out;
}
template<typename T1, typename T2>
ostream& operator<<(ostream& out, pair<T1, T2> p){
  return out << '(' << p.ff << ", " << p.ss << ')';
}
template<typename T>
ostream& operator<<(ostream& out, vector<T> v){
  return outIt(out << '[', all(v)) << ']';
}
vector<pii> cs;
set<int> poss;
 
 
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Compilation message (stderr)

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:39:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |  for(int i = 0; i < p.size(); i++)if(p[i] != i)ans += abs(p[i]-i), cs.pb({min(i, p[i]), max(i, p[i])}), pmin = min(pmin, i), pmax = max(pmax, i);
      |                 ~~^~~~~~~~~~
books.cpp:45:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |  for(int i = 0; i < cs.size(); i++){
      |                 ~~^~~~~~~~~~~
books.cpp:55:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |   while(r < p.size() && !poss.count(r))r++;
      |         ~~^~~~~~~~~~
books.cpp:57:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |   else if(r == p.size()) ans += 2*(s-l);
      |           ~~^~~~~~~~~~~

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