Submission #107449

#	Time	Username	Problem	Language	Result	Execution time	Memory
107449		kig9981	Seats (IOI18_seats)	C++17	Compilation error	0 ms	0 KiB

seats

#include <bits/stdc++.h>

const int SZ=1<<20, dx[]={-1,0,1,0}, dy[]={0,-1,0,1};
vector<pair<int,int>> P;
pair<int,int> tree[2*SZ], lazy[2*SZ];
int N, M, tcnt[2*SZ], idx[100000];

void lazy_propagation(int bit, int s, int e)
{
	tree[bit].first+=lazy[bit].first;
	tree[bit].second+=lazy[bit].second;
	if(s<e) {
		lazy[2*bit].first+=lazy[bit].first;
		lazy[2*bit].second+=lazy[bit].second;
		lazy[2*bit+1].first+=lazy[bit].first;
		lazy[2*bit+1].second+=lazy[bit].second;
	}
	lazy[bit]={0,0};
}

void add_tree(int n, pair<int,int> v, int bit=1, int s=0, int e=SZ-1)
{
	int m=(s+e)>>1;
	lazy_propagation(bit,s,e);
	if(e<n) return;
	if(n<=s) {
		tree[bit].first+=v.first;
		tree[bit].second+=v.second;
		if(s<e) {
			lazy[2*bit].first+=v.first;
			lazy[2*bit].second+=v.second;
			lazy[2*bit+1].first+=v.first;
			lazy[2*bit+1].second+=v.second;
		}
		return;
	}
	add_tree(n,v,2*bit,s,m);
	add_tree(n,v,2*bit+1,m+1,e);
	tree[bit]=min(tree[2*bit],tree[2*bit+1]);
	tcnt[bit]=(tree[bit]==tree[2*bit] ? tcnt[2*bit]:0)+(tree[bit]==tree[2*bit+1] ? tcnt[2*bit+1]:0);
}

bool valid_coord(int x, int y)
{
	return 0<=x && x<N && 0<=y && y<M;
}

int convert(int x, int y)
{
	return x*M+y;
}

pair<int,int> get_corner(int x, int y, int i)
{
	pair<int,int> ret;
	for(int k=0;k<4;k++) {
		if(valid_coord(x+dx[k],y+dy[k]) && valid_coord(x+dx[(k+1)&3],y+dy[(k+1)&3]) && idx[convert(x+dx[k],y+dy[k])]<=i && idx[convert(x+dx[(k+1)&3],y+dy[(k+1)&3])]<=i && idx[convert(x,y)]>i) {
			ret.second++;
		}
		else if((!valid_coord(x+dx[k],y+dy[k]) || idx[convert(x+dx[k],y+dy[k])]>i) && (!valid_coord(x+dx[(k+1)&3],y+dy[(k+1)&3]) || idx[convert(x+dx[(k+1)&3],y+dy[(k+1)&3])]>i) && idx[convert(x,y)]<=i) {
			ret.first++;
		}
	}
	return ret;
}

pair<int,int> get_diff(int i)
{
	pair<int,int> ret, temp;
	int x=P[i].first, y=P[i].second;
	temp=get_corner(x,y,i);
	ret.first+=temp.first;
	ret.second+=temp.second;
	temp=get_corner(x,y,i-1);
	ret.first-=temp.first;
	ret.second-=temp.second;
	for(int k=0;k<4;k++) {
		if(valid_coord(x+dx[k],y+dy[k])) {
			temp=get_corner(x+dx[k],y+dy[k],i);
			ret.first+=temp.first;
			ret.second+=temp.second;
			temp=get_corner(x+dx[k],y+dy[k],i-1);
			ret.first-=temp.first;
			ret.second-=temp.second;
		}
	}
	return ret;
}

void give_initial_chart(int H, int W, vector<int> R, vector<int> C)
{
	P.resize(H*W);
	N=H; M=W;
	for(int i=0;i<H*W;i++) {
		P[i]={R[i],C[i]};
		idx[convert(R[i],C[i])]=i;
		tcnt[SZ+i]=1;
	}
	tree[SZ]=get_diff(0);
	for(int i=1;i<H*W;i++) {
		tree[SZ+i]=get_diff(i);
		tree[SZ+i].first+=tree[SZ+i-1].first;
		tree[SZ+i].second+=tree[SZ+i-1].second;
	}
	for(int i=H*W;i<SZ;i++) tree[SZ+i]=make_pair(0x1fffffff,0x1fffffff);
	for(int i=SZ-1;i;i--) {
		tree[i]=min(tree[2*i],tree[2*i+1]);
		tcnt[i]=(tree[i]==tree[2*i] ? tcnt[2*i]:0)+(tree[i]==tree[2*i+1] ? tcnt[2*i+1]:0);
	}
	tout<<tree[1].first<<' '<<tree[1].second<<'\n';
}

int swap_seat(int a, int b)
{
	pair<int,int> temp;
	int x1=P[a].first, y1=P[a].second, x2=P[b].first, y2=P[b].second;
	temp=get_diff(a); temp.first*=-1; temp.second*=-1;
	add_tree(a,temp);
	temp=get_diff(b); temp.first*=-1; temp.second*=-1;
	add_tree(b,temp);
	for(int k=0;k<4;k++) {
		if(valid_coord(x1+dx[k],y1+dy[k])) {
			temp=get_diff(convert(x1+dx[k],y1+dy[k])); temp.first*=-1; temp.second*=-1;
			add_tree(convert(x1+dx[k],y1+dy[k]),temp);
		}
		if(valid_coord(x2+dx[k],y2+dy[k])) {
			temp=get_diff(convert(x2+dx[k],y2+dy[k])); temp.first*=-1; temp.second*=-1;
			add_tree(convert(x2+dx[k],y2+dy[k]),temp);
		}
	}
	swap(P[a],P[b]);
	swap(idx[convert(P[a].first,P[a].second)],idx[convert(P[b].first,P[b].second)]);
	add_tree(a,get_diff(a));
	add_tree(b,get_diff(b));
	for(int k=0;k<4;k++) {
		if(valid_coord(x1+dx[k],y1+dy[k])) {
			add_tree(convert(x1+dx[k],y1+dy[k]),get_diff(convert(x1+dx[k],y1+dy[k])));
		}
		if(valid_coord(x2+dx[k],y2+dy[k])) {
			add_tree(convert(x2+dx[k],y2+dy[k]),get_diff(convert(x2+dx[k],y2+dy[k])));
		}
	}
	return tree[1]==make_pair(4,0) ? tcnt[1]:0;
}

Compilation message (stderr)

seats.cpp:4:1: error: 'vector' does not name a type; did you mean 'wctob'?
 vector<pair<int,int>> P;
 ^~~~~~
 wctob
seats.cpp:5:1: error: 'pair' does not name a type; did you mean 'wait'?
 pair<int,int> tree[2*SZ], lazy[2*SZ];
 ^~~~
 wait
seats.cpp: In function 'void lazy_propagation(int, int, int)':
seats.cpp:10:2: error: 'tree' was not declared in this scope
  tree[bit].first+=lazy[bit].first;
  ^~~~
seats.cpp:10:2: note: suggested alternative: 'free'
  tree[bit].first+=lazy[bit].first;
  ^~~~
  free
seats.cpp:10:19: error: 'lazy' was not declared in this scope
  tree[bit].first+=lazy[bit].first;
                   ^~~~
seats.cpp:10:19: note: suggested alternative: 'labs'
  tree[bit].first+=lazy[bit].first;
                   ^~~~
                   labs
seats.cpp: At global scope:
seats.cpp:21:22: error: 'pair' has not been declared
 void add_tree(int n, pair<int,int> v, int bit=1, int s=0, int e=SZ-1)
                      ^~~~
seats.cpp:21:26: error: expected ',' or '...' before '<' token
 void add_tree(int n, pair<int,int> v, int bit=1, int s=0, int e=SZ-1)
                          ^
seats.cpp: In function 'void add_tree(int, int)':
seats.cpp:23:9: error: 's' was not declared in this scope
  int m=(s+e)>>1;
         ^
seats.cpp:23:11: error: 'e' was not declared in this scope
  int m=(s+e)>>1;
           ^
seats.cpp:24:19: error: 'bit' was not declared in this scope
  lazy_propagation(bit,s,e);
                   ^~~
seats.cpp:27:3: error: 'tree' was not declared in this scope
   tree[bit].first+=v.first;
   ^~~~
seats.cpp:27:3: note: suggested alternative: 'free'
   tree[bit].first+=v.first;
   ^~~~
   free
seats.cpp:27:20: error: 'v' was not declared in this scope
   tree[bit].first+=v.first;
                    ^
seats.cpp:30:4: error: 'lazy' was not declared in this scope
    lazy[2*bit].first+=v.first;
    ^~~~
seats.cpp:30:4: note: suggested alternative: 'labs'
    lazy[2*bit].first+=v.first;
    ^~~~
    labs
seats.cpp:37:13: error: 'v' was not declared in this scope
  add_tree(n,v,2*bit,s,m);
             ^
seats.cpp:39:2: error: 'tree' was not declared in this scope
  tree[bit]=min(tree[2*bit],tree[2*bit+1]);
  ^~~~
seats.cpp:39:2: note: suggested alternative: 'free'
  tree[bit]=min(tree[2*bit],tree[2*bit+1]);
  ^~~~
  free
seats.cpp:39:12: error: 'min' was not declared in this scope
  tree[bit]=min(tree[2*bit],tree[2*bit+1]);
            ^~~
seats.cpp:39:12: note: suggested alternative:
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 seats.cpp:1:
/usr/include/c++/7/bits/stl_algo.h:3456:5: note:   'std::min'
     min(initializer_list<_Tp> __l, _Compare __comp)
     ^~~
seats.cpp: At global scope:
seats.cpp:53:1: error: 'pair' does not name a type; did you mean 'wait'?
 pair<int,int> get_corner(int x, int y, int i)
 ^~~~
 wait
seats.cpp:67:1: error: 'pair' does not name a type; did you mean 'wait'?
 pair<int,int> get_diff(int i)
 ^~~~
 wait
seats.cpp:90:39: error: 'vector' has not been declared
 void give_initial_chart(int H, int W, vector<int> R, vector<int> C)
                                       ^~~~~~
seats.cpp:90:45: error: expected ',' or '...' before '<' token
 void give_initial_chart(int H, int W, vector<int> R, vector<int> C)
                                             ^
seats.cpp: In function 'void give_initial_chart(int, int, int)':
seats.cpp:92:2: error: 'P' was not declared in this scope
  P.resize(H*W);
  ^
seats.cpp:95:9: error: 'R' was not declared in this scope
   P[i]={R[i],C[i]};
         ^
seats.cpp:95:14: error: 'C' was not declared in this scope
   P[i]={R[i],C[i]};
              ^
seats.cpp:99:2: error: 'tree' was not declared in this scope
  tree[SZ]=get_diff(0);
  ^~~~
seats.cpp:99:2: note: suggested alternative: 'free'
  tree[SZ]=get_diff(0);
  ^~~~
  free
seats.cpp:99:11: error: 'get_diff' was not declared in this scope
  tree[SZ]=get_diff(0);
           ^~~~~~~~
seats.cpp:99:11: note: suggested alternative: 'getdate'
  tree[SZ]=get_diff(0);
           ^~~~~~~~
           getdate
seats.cpp:105:37: error: 'make_pair' was not declared in this scope
  for(int i=H*W;i<SZ;i++) tree[SZ+i]=make_pair(0x1fffffff,0x1fffffff);
                                     ^~~~~~~~~
seats.cpp:105:37: note: suggested alternative:
In file included from /usr/include/c++/7/bits/stl_algobase.h:64:0,
                 from /usr/include/c++/7/bits/specfun.h:45,
                 from /usr/include/c++/7/cmath:1914,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41,
                 from seats.cpp:1:
/usr/include/c++/7/bits/stl_pair.h:519:5: note:   'std::make_pair'
     make_pair(_T1&& __x, _T2&& __y)
     ^~~~~~~~~
seats.cpp:107:11: error: 'min' was not declared in this scope
   tree[i]=min(tree[2*i],tree[2*i+1]);
           ^~~
seats.cpp:107:11: note: suggested alternative:
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 seats.cpp:1:
/usr/include/c++/7/bits/stl_algo.h:3456:5: note:   'std::min'
     min(initializer_list<_Tp> __l, _Compare __comp)
     ^~~
seats.cpp:110:2: error: 'tout' was not declared in this scope
  tout<<tree[1].first<<' '<<tree[1].second<<'\n';
  ^~~~
seats.cpp:110:2: note: suggested alternative: 'tcnt'
  tout<<tree[1].first<<' '<<tree[1].second<<'\n';
  ^~~~
  tcnt
seats.cpp: In function 'int swap_seat(int, int)':
seats.cpp:115:2: error: 'pair' was not declared in this scope
  pair<int,int> temp;
  ^~~~
seats.cpp:115:2: note: suggested alternative:
In file included from /usr/include/c++/7/bits/stl_algobase.h:64:0,
                 from /usr/include/c++/7/bits/specfun.h:45,
                 from /usr/include/c++/7/cmath:1914,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41,
                 from seats.cpp:1:
/usr/include/c++/7/bits/stl_pair.h:198:12: note:   'std::pair'
     struct pair
            ^~~~
seats.cpp:115:7: error: expected primary-expression before 'int'
  pair<int,int> temp;
       ^~~
seats.cpp:116:9: error: 'P' was not declared in this scope
  int x1=P[a].first, y1=P[a].second, x2=P[b].first, y2=P[b].second;
         ^
seats.cpp:117:2: error: 'temp' was not declared in this scope
  temp=get_diff(a); temp.first*=-1; temp.second*=-1;
  ^~~~
seats.cpp:117:2: note: suggested alternative: 'time'
  temp=get_diff(a); temp.first*=-1; temp.second*=-1;
  ^~~~
  time
seats.cpp:117:7: error: 'get_diff' was not declared in this scope
  temp=get_diff(a); temp.first*=-1; temp.second*=-1;
       ^~~~~~~~
seats.cpp:117:7: note: suggested alternative: 'getdate'
  temp=get_diff(a); temp.first*=-1; temp.second*=-1;
       ^~~~~~~~
       getdate
seats.cpp:122:29: warning: pointer to a function used in arithmetic [-Wpointer-arith]
   if(valid_coord(x1+dx[k],y1+dy[k])) {
                           ~~^~~~~~
seats.cpp:122:29: error: invalid conversion from 'double (*)(double) noexcept' to 'int' [-fpermissive]
seats.cpp:43:6: note:   initializing argument 2 of 'bool valid_coord(int, int)'
 bool valid_coord(int x, int y)
      ^~~~~~~~~~~
seats.cpp:123:37: warning: pointer to a function used in arithmetic [-Wpointer-arith]
    temp=get_diff(convert(x1+dx[k],y1+dy[k])); temp.first*=-1; temp.second*=-1;
                                   ~~^~~~~~
seats.cpp:123:37: error: invalid conversion from 'double (*)(double) noexcept' to 'int' [-fpermissive]
seats.cpp:48:5: note:   initializing argument 2 of 'int convert(int, int)'
 int convert(int x, int y)
     ^~~~~~~
seats.cpp:124:32: warning: pointer to a function used in arithmetic [-Wpointer-arith]
    add_tree(convert(x1+dx[k],y1+dy[k]),temp);
                              ~~^~~~~~
seats.cpp:124:32: error: invalid conversion from 'double (*)(double) noexcept' to 'int' [-fpermissive]
seats.cpp:48:5: note:   initializing argument 2 of 'int convert(int, int)'
 int convert(int x, int y)
     ^~~~~~~
seats.cpp:126:18: error: 'x2' was not declared in this scope
   if(valid_coord(x2+dx[k],y2+dy[k])) {
                  ^~
seats.cpp:126:18: note: suggested alternative: 'x1'
   if(valid_coord(x2+dx[k],y2+dy[k])) {
                  ^~
                  x1
seats.cpp:126:27: error: 'y2' was not declared in this scope
   if(valid_coord(x2+dx[k],y2+dy[k])) {
                           ^~
seats.cpp:126:27: note: suggested alternative: 'yn'
   if(valid_coord(x2+dx[k],y2+dy[k])) {
                           ^~
                           yn
seats.cpp:131:2: error: 'swap' was not declared in this scope
  swap(P[a],P[b]);
  ^~~~
seats.cpp:131:2: note: suggested alternatives:
In file included from /usr/include/c++/7/complex:45:0,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from seats.cpp:1:
/usr/include/c++/7/sstream:796:5: note:   'std::__cxx11::swap'
     swap(basic_stringbuf<_CharT, _Traits, _Allocator>& __x,
     ^~~~
In file included from /usr/include/c++/7/regex:62:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:110,
                 from seats.cpp:1:
/usr/include/c++/7/bits/regex.h:1958:5: note:   'std::__cxx11::swap'
     swap(match_results<_Bi_iter, _Alloc>& __lhs,
     ^~~~
In file included from /usr/include/c++/7/bits/stl_pair.h:59:0,
                 from /usr/include/c++/7/bits/stl_algobase.h:64,
                 from /usr/include/c++/7/bits/specfun.h:45,
                 from /usr/include/c++/7/cmath:1914,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41,
                 from seats.cpp:1:
/usr/include/c++/7/bits/move.h:187:5: note:   'std::swap'
     swap(_Tp& __a, _Tp& __b)
     ^~~~
/usr/include/c++/7/bits/move.h:187:5: note:   'std::swap'
In file included from /usr/include/c++/7/exception:142:0,
                 from /usr/include/c++/7/ios:39,
                 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 seats.cpp:1:
/usr/include/c++/7/bits/exception_ptr.h:166:5: note:   'std::__exception_ptr::swap'
     swap(exception_ptr& __lhs, exception_ptr& __rhs)
     ^~~~
seats.cpp:136:29: warning: pointer to a function used in arithmetic [-Wpointer-arith]
   if(valid_coord(x1+dx[k],y1+dy[k])) {
                           ~~^~~~~~
seats.cpp:136:29: error: invalid conversion from 'double (*)(double) noexcept' to 'int' [-fpermissive]
seats.cpp:43:6: note:   initializing argument 2 of 'bool valid_coord(int, int)'
 bool valid_coord(int x, int y)
      ^~~~~~~~~~~
seats.cpp:137:32: warning: pointer to a function used in arithmetic [-Wpointer-arith]
    add_tree(convert(x1+dx[k],y1+dy[k]),get_diff(convert(x1+dx[k],y1+dy[k])));
                              ~~^~~~~~
seats.cpp:137:32: error: invalid conversion from 'double (*)(double) noexcept' to 'int' [-fpermissive]
seats.cpp:48:5: note:   initializing argument 2 of 'int convert(int, int)'
 int convert(int x, int y)
     ^~~~~~~
seats.cpp:137:68: warning: pointer to a function used in arithmetic [-Wpointer-arith]
    add_tree(convert(x1+dx[k],y1+dy[k]),get_diff(convert(x1+dx[k],y1+dy[k])));
                                                                  ~~^~~~~~
seats.cpp:137:68: error: invalid conversion from 'double (*)(double) noexcept' to 'int' [-fpermissive]
seats.cpp:48:5: note:   initializing argument 2 of 'int convert(int, int)'
 int convert(int x, int y)
     ^~~~~~~
seats.cpp:139:18: error: 'x2' was not declared in this scope
   if(valid_coord(x2+dx[k],y2+dy[k])) {
                  ^~
seats.cpp:139:18: note: suggested alternative: 'x1'
   if(valid_coord(x2+dx[k],y2+dy[k])) {
                  ^~
                  x1
seats.cpp:139:27: error: 'y2' was not declared in this scope
   if(valid_coord(x2+dx[k],y2+dy[k])) {
                           ^~
seats.cpp:139:27: note: suggested alternative: 'yn'
   if(valid_coord(x2+dx[k],y2+dy[k])) {
                           ^~
                           yn
seats.cpp:143:9: error: 'tree' was not declared in this scope
  return tree[1]==make_pair(4,0) ? tcnt[1]:0;
         ^~~~
seats.cpp:143:9: note: suggested alternative: 'free'
  return tree[1]==make_pair(4,0) ? tcnt[1]:0;
         ^~~~
         free
seats.cpp:143:18: error: 'make_pair' was not declared in this scope
  return tree[1]==make_pair(4,0) ? tcnt[1]:0;
                  ^~~~~~~~~
seats.cpp:143:18: note: suggested alternative:
In file included from /usr/include/c++/7/bits/stl_algobase.h:64:0,
                 from /usr/include/c++/7/bits/specfun.h:45,
                 from /usr/include/c++/7/cmath:1914,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:41,
                 from seats.cpp:1:
/usr/include/c++/7/bits/stl_pair.h:519:5: note:   'std::make_pair'
     make_pair(_T1&& __x, _T2&& __y)
     ^~~~~~~~~