Submission #248925

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
248925	2020-07-13T18:20:42 Z	kostia244	Ancient Books (IOI17_books)	C++17	Compilation error	0 ms	0 KB

books

#include "books.h"
#pragma GCC optimize("O2,unroll-loops")
#pragma GCC target("avx,avx2,sse,sse2,ssse3")
#include<bits/extc++.h>
using namespace std;
const int maxn = 1<<20;
using ll = long long;

using namespace __gnu_pbds;
using oset = tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update>;

ll vis[maxn][4];
ll minimum_walk(vector<int> p, int s) {
	oset pref, suf;
	vector<int> pos(p.size());
	ll ans = 0, lst = -1, fi = -1;
	for(int i = 0; i < p.size(); i++) suf.insert(i), pos[p[i]] = i;
	for(int t, i = 0; i < p.size(); i++) {
		//cout << i << "::\n";
		
		int v = p[i];
		suf.erase(v);
		
		if(i != v) {
			vis[i][(v > i)*3]++;
			vis[i][1 + (pos[i]>i)]++;
		}
		
		t = pref.size()-pref.order_of_key(i+1);
		vis[i][1] += t, vis[i][3] += t;
		
		t = suf.order_of_key(i);
		vis[i][0] += t, vis[i][2] += t;
		
		pref.insert(v);
		
		if(vis[i][0] + vis[i][2] + vis[i][3] + vis[i][1]) {
			lst = i;
			if(fi == -1) fi = i;
		}
		//for(int j = 0; j < 4; j++) cout << vis[i][j] << " "; cout << endl;	
		
		if(i) {
			assert(vis[i][0] == vis[i-1][2]);
			assert(vis[i][1] == vis[i-1][3]);
		}
	}
	fi = min(fi, s);
	for(int i = fi; i <= lst; i++) {
		for(int j = 0; j < 4; j++) {
			if(i == lst && j >= 2) break;
			if(i == fi && j < 2) continue;
			if(vis[i][j] == 0) {
				vis[i][j]++;
				vis[i + (j<2?-1:1)][j^3]++;
			}
		}
	}
	for(int i = 0; i < p.size(); i++) {
		//cout << vis[i][0] << " " << vis[i][1] << " " << vis[i][2] << " " << vis[i][3] << " " << g[i] << endl;
		vis[i][2] = vis[i][3] = max(vis[i][2], vis[i][3]);
		vis[i][0] = vis[i][1] = max(vis[i][0], vis[i][1]);
		ans += (vis[i][0] + vis[i][2]);
	}
	return ans;
}

Compilation message

books.cpp: In function 'll minimum_walk(std::vector<int>, int)':
books.cpp:17:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < p.size(); i++) suf.insert(i), pos[p[i]] = i;
                 ~~^~~~~~~~~~
books.cpp:18:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int t, i = 0; i < p.size(); i++) {
                    ~~^~~~~~~~~~
books.cpp:48:16: error: no matching function for call to 'min(ll&, int&)'
  fi = min(fi, s);
                ^
In file included from /usr/include/c++/7/vector:60:0,
                 from books.h:1,
                 from books.cpp:1:
/usr/include/c++/7/bits/stl_algobase.h:195:5: note: candidate: template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)
     min(const _Tp& __a, const _Tp& __b)
     ^~~
/usr/include/c++/7/bits/stl_algobase.h:195:5: note:   template argument deduction/substitution failed:
books.cpp:48:16: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
  fi = min(fi, s);
                ^
In file included from /usr/include/c++/7/vector:60:0,
                 from books.h:1,
                 from books.cpp:1:
/usr/include/c++/7/bits/stl_algobase.h:243:5: note: candidate: template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)
     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
     ^~~
/usr/include/c++/7/bits/stl_algobase.h:243:5: note:   template argument deduction/substitution failed:
books.cpp:48:16: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'int')
  fi = min(fi, s);
                ^
In file included from /usr/include/c++/7/algorithm:62:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:65,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/extc++.h:32,
                 from books.cpp:4:
/usr/include/c++/7/bits/stl_algo.h:3450:5: note: candidate: template<class _Tp> constexpr _Tp std::min(std::initializer_list<_Tp>)
     min(initializer_list<_Tp> __l)
     ^~~
/usr/include/c++/7/bits/stl_algo.h:3450:5: note:   template argument deduction/substitution failed:
books.cpp:48:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
  fi = min(fi, s);
                ^
In file included from /usr/include/c++/7/algorithm:62:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:65,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/extc++.h:32,
                 from books.cpp:4:
/usr/include/c++/7/bits/stl_algo.h:3456:5: note: candidate: template<class _Tp, class _Compare> constexpr _Tp std::min(std::initializer_list<_Tp>, _Compare)
     min(initializer_list<_Tp> __l, _Compare __comp)
     ^~~
/usr/include/c++/7/bits/stl_algo.h:3456:5: note:   template argument deduction/substitution failed:
books.cpp:48:16: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
  fi = min(fi, s);
                ^
books.cpp:59:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < p.size(); i++) {
                 ~~^~~~~~~~~~