Submission #566555

#	Time	Username	Problem	Language	Result	Execution time	Memory
566555		Siffer	Ancient Books (IOI17_books)	C++14	Compilation error	0 ms	0 KiB

books

#include "books.h"
#include<bits/stdc++.h>
using namespace std;

#define ll long long


ll minimum_walk(vector<int> p, int s) {
	int n = p.size();
	vector<int> c(n,-1);
	ll r = 0;
	vector<int> mi(n,n), ma(n,0);
	for(int i = 0; i < n; i++) {
		if(c[i] == -1) {
			c[i] = i;
			int k = p[i];
			r += abs(i-k);
			mi[i] = i;
			ma[i] = i;
			while(k != i) {
				mi[i] = min(mi[i], k);
				ma[i] = max(ma[i], k);
				c[k] = i;
				r += abs(k-p[k]);
				k = p[k];
			}
		}
	}
	int m = 0;
	while(m < n) {
		bool cc = 1;
		for(int i = m; i < m+1; i++) {
			if(ma[c[i]] > m) {
				cc = 0;
				m = ma[c[i]];
			}
		}
		if(cc && m < n) {
			m++;
			r += 2;
		}
	}
	for(int i = n-1; p[i]==i; i--) r -= 2;
	return max(0,r-2);
}

Compilation message (stderr)

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:44:18: error: no matching function for call to 'max(int, long long int)'
   44 |  return max(0,r-2);
      |                  ^
In file included from /usr/include/c++/10/vector:60,
                 from books.h:1,
                 from books.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
books.cpp:44:18: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   44 |  return max(0,r-2);
      |                  ^
In file included from /usr/include/c++/10/vector:60,
                 from books.h:1,
                 from books.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
books.cpp:44:18: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'long long int')
   44 |  return max(0,r-2);
      |                  ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from books.cpp:2:
/usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3480 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3480:5: note:   template argument deduction/substitution failed:
books.cpp:44:18: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   44 |  return max(0,r-2);
      |                  ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from books.cpp:2:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3486:5: note:   template argument deduction/substitution failed:
books.cpp:44:18: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   44 |  return max(0,r-2);
      |                  ^