답안 #162640

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
162640 2019-11-09T07:05:48 Z nafis_shifat 벽 (IOI14_wall) C++14
컴파일 오류
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#include "wall.h"
#include<bits/stdc++.h>
#define pii pair<int,int>
#define ll long long
#define f first
#define s second
using namespace std;
const int mx=2e5+10;
pii tree[4*mx];
int curval[4*mx];
void merge(int par,int kid)
{
	if(curval[par]!=-1)
	{
		curval[kid]=curval[par];
		tree[kid]={inf,-1};
		return;
	}

	if(curval[kid]!=-1)
	{
		if(curval[kid]<tree[par].s)
		{
			curval[kid]=tree[par].s;
		}
		else if(curval[kid]>tree[par].f)
		{
			curval[kid]=tree[par].f;
		}
		return;
	}
	tree[kid].f=min(tree[kid].f,tree[par].f);
	tree[kid].s=max(tree[kid].s,tree[par].s);
	
	if(tree[kid].f<=tree[kid].s)
	{
		if(tree[kid].f==tree[par].f)
		{
			curval[kid]=tree[kid].f;
		}
		else
		{
			curval[kid]=tree[kid].s;
		}
		tree[kid]={inf,-1};
		return;
	}
	curval[kid]=-1;

}
int query(int node,int b,int e,int p)
{
	if(curval[node]!=-1)
	{
	    return curval[node];
	}
	if(b==e)
	{
	    
		if(tree[node].s!=-1)return tree[node].s;
		return 0;
	}
	
	int mid=b+e>>1;
	int left=node<<1;
	int right=left|1;

	if(tree[node].f!=inf || tree[node].s!=-1)
	{
		merge(node,left);
		merge(node,right);
	}

	if(p<=mid)return query(left,b,mid,p);
	return query(right,mid+1,e,p);
}


void update(int node, int b,int e,int l,int r,int val,int type)
{
	if(b>r||e<l)return;


	if(b>=l && e<=r)
	{
		if(type==1)
		{
			if(curval[node]!=-1)
			{
				curval[node]=max(curval[node],val);
				return;
			}
			if(val>tree[node].f)
			{
				curval[node]=val;
				tree[node]={inf,-1};
				return;
			}
			tree[node].s=max(tree[node].s,val);
			curval[node]=-1;
		}		
		else
		{
			if(curval[node]!=-1)
			{
				curval[node]=min(curval[node],val);
				return;
			}
			if(val<tree[node].s)
			{
				curval[node]=val;
				tree[node]={inf,-1};
				return;
			}
			tree[node].f=min(tree[node].f,val);
			curval[node]=-1;
		}
		return;
	}
	
	int mid=b+e>>1;    
	int left=node<<1;
	int right=left|1;
	
	merge(node,left);
	merge(node,right);
	
	tree[node]={inf,-1};
	curval[node]=-1;

	
	update(left,b,mid,l,r,val,type);
	update(right,mid+1,e,l,r,val,type);


}





void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[])
{
	for(int i=0;i<k;i++)
	{
		int l=left[i]+1;
		int r=right[i]+1;
		int v=height[i];
		update(1,1,n,l,r,v,op[i]);
	}
	for(int i=0;i<n;i++)finalHeight[i]=query(1,1,n,i+1);
  return;
}

Compilation message

wall.cpp: In function 'void merge(int, int)':
wall.cpp:16:14: error: 'inf' was not declared in this scope
   tree[kid]={inf,-1};
              ^~~
wall.cpp:16:14: note: suggested alternative: 'ynf'
   tree[kid]={inf,-1};
              ^~~
              ynf
wall.cpp:16:20: error: no match for 'operator=' (operand types are 'std::pair<int, int>' and '<brace-enclosed initializer list>')
   tree[kid]={inf,-1};
                    ^
In file included from /usr/include/c++/7/bits/stl_algobase.h:64:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from wall.cpp:2:
/usr/include/c++/7/bits/stl_pair.h:367:7: note: candidate: std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_copy_assignable<_Tp>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch_no_braces&>::type) [with _T1 = int; _T2 = int; typename std::conditional<std::__and_<std::is_copy_assignable<_Tp>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch_no_braces&>::type = const std::pair<int, int>&]
       operator=(typename conditional<
       ^~~~~~~~
/usr/include/c++/7/bits/stl_pair.h:367:7: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::conditional<true, const std::pair<int, int>&, const std::__nonesuch_no_braces&>::type {aka const std::pair<int, int>&}'
/usr/include/c++/7/bits/stl_pair.h:384:7: note: candidate: std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value, std::pair<_T1, _T2>&&, std::__nonesuch_no_braces&&>::type) [with _T1 = int; _T2 = int; typename std::conditional<std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value, std::pair<_T1, _T2>&&, std::__nonesuch_no_braces&&>::type = std::pair<int, int>&&]
       operator=(typename conditional<
       ^~~~~~~~
/usr/include/c++/7/bits/stl_pair.h:384:7: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::conditional<true, std::pair<int, int>&&, std::__nonesuch_no_braces&&>::type {aka std::pair<int, int>&&}'
/usr/include/c++/7/bits/stl_pair.h:400:2: note: candidate: template<class _U1, class _U2> typename std::enable_if<std::__and_<std::is_assignable<_T1&, const _U1&>, std::is_assignable<_T2&, const _U2&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(const std::pair<_U1, _U2>&) [with _U1 = _U1; _U2 = _U2; _T1 = int; _T2 = int]
  operator=(const pair<_U1, _U2>& __p)
  ^~~~~~~~
/usr/include/c++/7/bits/stl_pair.h:400:2: note:   template argument deduction/substitution failed:
wall.cpp:16:20: note:   couldn't deduce template parameter '_U1'
   tree[kid]={inf,-1};
                    ^
In file included from /usr/include/c++/7/bits/stl_algobase.h:64:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from wall.cpp:2:
/usr/include/c++/7/bits/stl_pair.h:411:2: note: candidate: template<class _U1, class _U2> typename std::enable_if<std::__and_<std::is_assignable<_T1&, _U1&&>, std::is_assignable<_T2&, _U2&&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(std::pair<_U1, _U2>&&) [with _U1 = _U1; _U2 = _U2; _T1 = int; _T2 = int]
  operator=(pair<_U1, _U2>&& __p)
  ^~~~~~~~
/usr/include/c++/7/bits/stl_pair.h:411:2: note:   template argument deduction/substitution failed:
wall.cpp:16:20: note:   couldn't deduce template parameter '_U1'
   tree[kid]={inf,-1};
                    ^
wall.cpp:45:14: error: 'inf' was not declared in this scope
   tree[kid]={inf,-1};
              ^~~
wall.cpp:45:14: note: suggested alternative: 'ynf'
   tree[kid]={inf,-1};
              ^~~
              ynf
wall.cpp:45:20: error: no match for 'operator=' (operand types are 'std::pair<int, int>' and '<brace-enclosed initializer list>')
   tree[kid]={inf,-1};
                    ^
In file included from /usr/include/c++/7/bits/stl_algobase.h:64:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from wall.cpp:2:
/usr/include/c++/7/bits/stl_pair.h:367:7: note: candidate: std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_copy_assignable<_Tp>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch_no_braces&>::type) [with _T1 = int; _T2 = int; typename std::conditional<std::__and_<std::is_copy_assignable<_Tp>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch_no_braces&>::type = const std::pair<int, int>&]
       operator=(typename conditional<
       ^~~~~~~~
/usr/include/c++/7/bits/stl_pair.h:367:7: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::conditional<true, const std::pair<int, int>&, const std::__nonesuch_no_braces&>::type {aka const std::pair<int, int>&}'
/usr/include/c++/7/bits/stl_pair.h:384:7: note: candidate: std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value, std::pair<_T1, _T2>&&, std::__nonesuch_no_braces&&>::type) [with _T1 = int; _T2 = int; typename std::conditional<std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value, std::pair<_T1, _T2>&&, std::__nonesuch_no_braces&&>::type = std::pair<int, int>&&]
       operator=(typename conditional<
       ^~~~~~~~
/usr/include/c++/7/bits/stl_pair.h:384:7: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::conditional<true, std::pair<int, int>&&, std::__nonesuch_no_braces&&>::type {aka std::pair<int, int>&&}'
/usr/include/c++/7/bits/stl_pair.h:400:2: note: candidate: template<class _U1, class _U2> typename std::enable_if<std::__and_<std::is_assignable<_T1&, const _U1&>, std::is_assignable<_T2&, const _U2&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(const std::pair<_U1, _U2>&) [with _U1 = _U1; _U2 = _U2; _T1 = int; _T2 = int]
  operator=(const pair<_U1, _U2>& __p)
  ^~~~~~~~
/usr/include/c++/7/bits/stl_pair.h:400:2: note:   template argument deduction/substitution failed:
wall.cpp:45:20: note:   couldn't deduce template parameter '_U1'
   tree[kid]={inf,-1};
                    ^
In file included from /usr/include/c++/7/bits/stl_algobase.h:64:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from wall.cpp:2:
/usr/include/c++/7/bits/stl_pair.h:411:2: note: candidate: template<class _U1, class _U2> typename std::enable_if<std::__and_<std::is_assignable<_T1&, _U1&&>, std::is_assignable<_T2&, _U2&&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(std::pair<_U1, _U2>&&) [with _U1 = _U1; _U2 = _U2; _T1 = int; _T2 = int]
  operator=(pair<_U1, _U2>&& __p)
  ^~~~~~~~
/usr/include/c++/7/bits/stl_pair.h:411:2: note:   template argument deduction/substitution failed:
wall.cpp:45:20: note:   couldn't deduce template parameter '_U1'
   tree[kid]={inf,-1};
                    ^
wall.cpp: In function 'int query(int, int, int, int)':
wall.cpp:64:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=b+e>>1;
          ~^~
wall.cpp:68:19: error: 'inf' was not declared in this scope
  if(tree[node].f!=inf || tree[node].s!=-1)
                   ^~~
wall.cpp:68:19: note: suggested alternative: 'ynf'
  if(tree[node].f!=inf || tree[node].s!=-1)
                   ^~~
                   ynf
wall.cpp: In function 'void update(int, int, int, int, int, int, int)':
wall.cpp:96:17: error: 'inf' was not declared in this scope
     tree[node]={inf,-1};
                 ^~~
wall.cpp:96:17: note: suggested alternative: 'ynf'
     tree[node]={inf,-1};
                 ^~~
                 ynf
wall.cpp:96:23: error: no match for 'operator=' (operand types are 'std::pair<int, int>' and '<brace-enclosed initializer list>')
     tree[node]={inf,-1};
                       ^
In file included from /usr/include/c++/7/bits/stl_algobase.h:64:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from wall.cpp:2:
/usr/include/c++/7/bits/stl_pair.h:367:7: note: candidate: std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_copy_assignable<_Tp>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch_no_braces&>::type) [with _T1 = int; _T2 = int; typename std::conditional<std::__and_<std::is_copy_assignable<_Tp>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch_no_braces&>::type = const std::pair<int, int>&]
       operator=(typename conditional<
       ^~~~~~~~
/usr/include/c++/7/bits/stl_pair.h:367:7: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::conditional<true, const std::pair<int, int>&, const std::__nonesuch_no_braces&>::type {aka const std::pair<int, int>&}'
/usr/include/c++/7/bits/stl_pair.h:384:7: note: candidate: std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value, std::pair<_T1, _T2>&&, std::__nonesuch_no_braces&&>::type) [with _T1 = int; _T2 = int; typename std::conditional<std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value, std::pair<_T1, _T2>&&, std::__nonesuch_no_braces&&>::type = std::pair<int, int>&&]
       operator=(typename conditional<
       ^~~~~~~~
/usr/include/c++/7/bits/stl_pair.h:384:7: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::conditional<true, std::pair<int, int>&&, std::__nonesuch_no_braces&&>::type {aka std::pair<int, int>&&}'
/usr/include/c++/7/bits/stl_pair.h:400:2: note: candidate: template<class _U1, class _U2> typename std::enable_if<std::__and_<std::is_assignable<_T1&, const _U1&>, std::is_assignable<_T2&, const _U2&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(const std::pair<_U1, _U2>&) [with _U1 = _U1; _U2 = _U2; _T1 = int; _T2 = int]
  operator=(const pair<_U1, _U2>& __p)
  ^~~~~~~~
/usr/include/c++/7/bits/stl_pair.h:400:2: note:   template argument deduction/substitution failed:
wall.cpp:96:23: note:   couldn't deduce template parameter '_U1'
     tree[node]={inf,-1};
                       ^
In file included from /usr/include/c++/7/bits/stl_algobase.h:64:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from wall.cpp:2:
/usr/include/c++/7/bits/stl_pair.h:411:2: note: candidate: template<class _U1, class _U2> typename std::enable_if<std::__and_<std::is_assignable<_T1&, _U1&&>, std::is_assignable<_T2&, _U2&&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(std::pair<_U1, _U2>&&) [with _U1 = _U1; _U2 = _U2; _T1 = int; _T2 = int]
  operator=(pair<_U1, _U2>&& __p)
  ^~~~~~~~
/usr/include/c++/7/bits/stl_pair.h:411:2: note:   template argument deduction/substitution failed:
wall.cpp:96:23: note:   couldn't deduce template parameter '_U1'
     tree[node]={inf,-1};
                       ^
wall.cpp:112:17: error: 'inf' was not declared in this scope
     tree[node]={inf,-1};
                 ^~~
wall.cpp:112:17: note: suggested alternative: 'ynf'
     tree[node]={inf,-1};
                 ^~~
                 ynf
wall.cpp:112:23: error: no match for 'operator=' (operand types are 'std::pair<int, int>' and '<brace-enclosed initializer list>')
     tree[node]={inf,-1};
                       ^
In file included from /usr/include/c++/7/bits/stl_algobase.h:64:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from wall.cpp:2:
/usr/include/c++/7/bits/stl_pair.h:367:7: note: candidate: std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_copy_assignable<_Tp>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch_no_braces&>::type) [with _T1 = int; _T2 = int; typename std::conditional<std::__and_<std::is_copy_assignable<_Tp>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch_no_braces&>::type = const std::pair<int, int>&]
       operator=(typename conditional<
       ^~~~~~~~
/usr/include/c++/7/bits/stl_pair.h:367:7: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::conditional<true, const std::pair<int, int>&, const std::__nonesuch_no_braces&>::type {aka const std::pair<int, int>&}'
/usr/include/c++/7/bits/stl_pair.h:384:7: note: candidate: std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value, std::pair<_T1, _T2>&&, std::__nonesuch_no_braces&&>::type) [with _T1 = int; _T2 = int; typename std::conditional<std::__and_<std::is_move_assignable<_Tp>, std::is_move_assignable<_T2> >::value, std::pair<_T1, _T2>&&, std::__nonesuch_no_braces&&>::type = std::pair<int, int>&&]
       operator=(typename conditional<
       ^~~~~~~~
/usr/include/c++/7/bits/stl_pair.h:384:7: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::conditional<true, std::pair<int, int>&&, std::__nonesuch_no_braces&&>::type {aka std::pair<int, int>&&}'
/usr/include/c++/7/bits/stl_pair.h:400:2: note: candidate: template<class _U1, class _U2> typename std::enable_if<std::__and_<std::is_assignable<_T1&, const _U1&>, std::is_assignable<_T2&, const _U2&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(const std::pair<_U1, _U2>&) [with _U1 = _U1; _U2 = _U2; _T1 = int; _T2 = int]
  operator=(const pair<_U1, _U2>& __p)
  ^~~~~~~~
/usr/include/c++/7/bits/stl_pair.h:400:2: note:   template argument deduction/substitution failed:
wall.cpp:112:23: note:   couldn't deduce template parameter '_U1'
     tree[node]={inf,-1};
                       ^
In file included from /usr/include/c++/7/bits/stl_algobase.h:64:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from wall.cpp:2:
/usr/include/c++/7/bits/stl_pair.h:411:2: note: candidate: template<class _U1, class _U2> typename std::enable_if<std::__and_<std::is_assignable<_T1&, _U1&&>, std::is_assignable<_T2&, _U2&&> >::value, std::pair<_T1, _T2>&>::type std::pair<_T1, _T2>::operator=(std::pair<_U1, _U2>&&) [with _U1 = _U1; _U2 = _U2; _T1 = int; _T2 = int]
  operator=(pair<_U1, _U2>&& __p)
  ^~~~~~~~
/usr/include/c++/7/bits/stl_pair.h:411:2: note:   template argument deduction/substitution failed:
wall.cpp:112:23: note:   couldn't deduce template parameter '_U1'
     tree[node]={inf,-1};
                       ^
wall.cpp:121:11: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  int mid=b+e>>1;    
          ~^~
wall.cpp:128:14: error: 'inf' was not declared in this scope
  tree[node]={inf,-1};
              ^~~
wall.cpp:128:14: note: suggested alternative: 'ynf'
  tree[node]={inf,-1};
              ^~~
              ynf
wall.cpp:128:20: error: no match for 'operator=' (operand types are 'std::pair<int, int>' and '<brace-enclosed initializer list>')
  tree[node]={inf,-1};
                    ^
In file included from /usr/include/c++/7/bits/stl_algobase.h:64:0,
                 from /usr/include/c++/7/bits/char_traits.h:39,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from wall.cpp:2:
/usr/include/c++/7/bits/stl_pair.h:367:7: note: candidate: std::pair<_T1, _T2>& std::pair<_T1, _T2>::operator=(typename std::conditional<std::__and_<std::is_copy_assignable<_Tp>, std::is_copy_assignable<_T2> >::value, const std::pair<_T1, _T2>&, const std::__nonesuch_no_braces&>::type) [with _T1 = int; _T2 = int; typename std::condition