Submission #712927

#	Time	Username	Problem	Language	Result	Execution time	Memory
712927		yuseok0803	007 (CEOI14_007)	C++14	Compilation error	0 ms	0 KiB

007

#include <stdio.h>
#include <vector>
#include <queue>
#include <set>
#include <map>
#include <algorithm>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <stack>
#include <ctype.h>
#define p(x,y) pair<x, y>
#define pii pair<int, int>
#define v(x) vector<x>
#define q(x) queue<x>
#define pq(x) priority_queue<x>
#define uppq(x, comp) priority_queue<x, vector<x>, comp>
#define st(x) set<x>  
#define m(x, y) map<x, y>
#define fi(s,e) for(int i=s;i<e;i++)
#define fj(s,e) for(int j=s;j<e;j++)
#define fk(s,e) for(int k=s;k<e;k++)
typedef long long int ll;
typedef unsigned long long int ull;
typedef __int128 ulll;
using namespace std;

int n,m;
int s,d,a,b;
v(int) pushvec;
v(v(int)) vec;
int dista[200010], distb[200010];

void spreada(int x){
	q(pii) qu;
	qu.push_back({{x,x}, 0});
	while(!qu.empty()){
		pii now = qu.front();
		qu.pop();
		
		if(now.second > dista[now.first.first] && dista[now.first.first] != -1) continue;
		
		dista[now.first.first]=now.second;
		int sz = vec[now.first.first].size();
		fi(0,sz){
			int next = vec[now.first.first][i];
			if(next == now.first.second) continue;
			qu.push({{next, now.first.first}, now.second+1});
		}
	}
	return;
}

void spreadb(int x){
	q(pii) qu;
	qu.push_back({{x,x}, 0});
	while(!qu.empty()){
		pii now = qu.front();
		qu.pop();
		
		if(now.second > distb[now.first.first] && distb[now.first.first] != -1) continue;
		
		distb[now.first.first]=now.second;
		int sz = vec[now.first.first].size();
		fi(0,sz){
			int next = vec[now.first.first][i];
			if(next == now.first.second) continue;
			qu.push({{next, now.first.first}, now.second+1});
		}
	}
	return;
}

int find(int now){
	int sz = vec[now].size();
	int ans = dist[now];
	fi(0,sz){
		int next = vec[now][i];
		if(dista[next]==dista[now]-1 && dista[next]==distb[next]){
			ans = min(ans, find(next));
		}
	}
	return ans;
}

int main(void){
	scanf("%d%d%d%d%d%d",&n,&m,&s,&d,&a,&b);
	
	fi(0,n+1) vec.push_back(pushvec);
	fi(0,m){
		int s,e;
		scanf("%d%d",&s,&e);
		vec[s].push_back(e);
		vec[e].push_back(s);
	}
	
	fi(1,n+1){
		dista[i]=-1;
		distb[i]=-1;
	}
	
	spreada(a);
	spreadb(b);
	
	int ans = min(da[d]-da[s], db[d]-db[s]);
	if(da[s]==db[s] && db[s]==db[d]){
		int divds, divdb;
		divds = find(s);
		divdb = find(d);
		if(divds > divdb) ans--;
	}
	
	printf("%d\n", max(ans, -1));
	return 0;
}

Compilation message (stderr)

007.cpp: In function 'void spreada(int)':
007.cpp:36:5: error: 'class std::queue<std::pair<int, int> >' has no member named 'push_back'
   36 |  qu.push_back({{x,x}, 0});
      |     ^~~~~~~~~
007.cpp:41:35: error: request for member 'first' in 'now.std::pair<int, int>::first', which is of non-class type 'int'
   41 |   if(now.second > dista[now.first.first] && dista[now.first.first] != -1) continue;
      |                                   ^~~~~
007.cpp:41:61: error: request for member 'first' in 'now.std::pair<int, int>::first', which is of non-class type 'int'
   41 |   if(now.second > dista[now.first.first] && dista[now.first.first] != -1) continue;
      |                                                             ^~~~~
007.cpp:43:19: error: request for member 'first' in 'now.std::pair<int, int>::first', which is of non-class type 'int'
   43 |   dista[now.first.first]=now.second;
      |                   ^~~~~
007.cpp:44:26: error: request for member 'first' in 'now.std::pair<int, int>::first', which is of non-class type 'int'
   44 |   int sz = vec[now.first.first].size();
      |                          ^~~~~
007.cpp:46:29: error: request for member 'first' in 'now.std::pair<int, int>::first', which is of non-class type 'int'
   46 |    int next = vec[now.first.first][i];
      |                             ^~~~~
007.cpp:47:25: error: request for member 'second' in 'now.std::pair<int, int>::first', which is of non-class type 'int'
   47 |    if(next == now.first.second) continue;
      |                         ^~~~~~
007.cpp:48:30: error: request for member 'first' in 'now.std::pair<int, int>::first', which is of non-class type 'int'
   48 |    qu.push({{next, now.first.first}, now.second+1});
      |                              ^~~~~
007.cpp:48:51: error: no matching function for call to 'std::queue<std::pair<int, int> >::push(<brace-enclosed initializer list>)'
   48 |    qu.push({{next, now.first.first}, now.second+1});
      |                                                   ^
In file included from /usr/include/c++/10/queue:64,
                 from 007.cpp:3:
/usr/include/c++/10/bits/stl_queue.h:265:7: note: candidate: 'void std::queue<_Tp, _Sequence>::push(const value_type&) [with _Tp = std::pair<int, int>; _Sequence = std::deque<std::pair<int, int>, std::allocator<std::pair<int, int> > >; std::queue<_Tp, _Sequence>::value_type = std::pair<int, int>]'
  265 |       push(const value_type& __x)
      |       ^~~~
/usr/include/c++/10/bits/stl_queue.h:265:30: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const std::pair<int, int>&'}
  265 |       push(const value_type& __x)
      |            ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_queue.h:270:7: note: candidate: 'void std::queue<_Tp, _Sequence>::push(std::queue<_Tp, _Sequence>::value_type&&) [with _Tp = std::pair<int, int>; _Sequence = std::deque<std::pair<int, int>, std::allocator<std::pair<int, int> > >; std::queue<_Tp, _Sequence>::value_type = std::pair<int, int>]'
  270 |       push(value_type&& __x)
      |       ^~~~
/usr/include/c++/10/bits/stl_queue.h:270:25: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::queue<std::pair<int, int> >::value_type&&' {aka 'std::pair<int, int>&&'}
  270 |       push(value_type&& __x)
      |            ~~~~~~~~~~~~~^~~
007.cpp: In function 'void spreadb(int)':
007.cpp:56:5: error: 'class std::queue<std::pair<int, int> >' has no member named 'push_back'
   56 |  qu.push_back({{x,x}, 0});
      |     ^~~~~~~~~
007.cpp:61:35: error: request for member 'first' in 'now.std::pair<int, int>::first', which is of non-class type 'int'
   61 |   if(now.second > distb[now.first.first] && distb[now.first.first] != -1) continue;
      |                                   ^~~~~
007.cpp:61:61: error: request for member 'first' in 'now.std::pair<int, int>::first', which is of non-class type 'int'
   61 |   if(now.second > distb[now.first.first] && distb[now.first.first] != -1) continue;
      |                                                             ^~~~~
007.cpp:63:19: error: request for member 'first' in 'now.std::pair<int, int>::first', which is of non-class type 'int'
   63 |   distb[now.first.first]=now.second;
      |                   ^~~~~
007.cpp:64:26: error: request for member 'first' in 'now.std::pair<int, int>::first', which is of non-class type 'int'
   64 |   int sz = vec[now.first.first].size();
      |                          ^~~~~
007.cpp:66:29: error: request for member 'first' in 'now.std::pair<int, int>::first', which is of non-class type 'int'
   66 |    int next = vec[now.first.first][i];
      |                             ^~~~~
007.cpp:67:25: error: request for member 'second' in 'now.std::pair<int, int>::first', which is of non-class type 'int'
   67 |    if(next == now.first.second) continue;
      |                         ^~~~~~
007.cpp:68:30: error: request for member 'first' in 'now.std::pair<int, int>::first', which is of non-class type 'int'
   68 |    qu.push({{next, now.first.first}, now.second+1});
      |                              ^~~~~
007.cpp:68:51: error: no matching function for call to 'std::queue<std::pair<int, int> >::push(<brace-enclosed initializer list>)'
   68 |    qu.push({{next, now.first.first}, now.second+1});
      |                                                   ^
In file included from /usr/include/c++/10/queue:64,
                 from 007.cpp:3:
/usr/include/c++/10/bits/stl_queue.h:265:7: note: candidate: 'void std::queue<_Tp, _Sequence>::push(const value_type&) [with _Tp = std::pair<int, int>; _Sequence = std::deque<std::pair<int, int>, std::allocator<std::pair<int, int> > >; std::queue<_Tp, _Sequence>::value_type = std::pair<int, int>]'
  265 |       push(const value_type& __x)
      |       ^~~~
/usr/include/c++/10/bits/stl_queue.h:265:30: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'const value_type&' {aka 'const std::pair<int, int>&'}
  265 |       push(const value_type& __x)
      |            ~~~~~~~~~~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_queue.h:270:7: note: candidate: 'void std::queue<_Tp, _Sequence>::push(std::queue<_Tp, _Sequence>::value_type&&) [with _Tp = std::pair<int, int>; _Sequence = std::deque<std::pair<int, int>, std::allocator<std::pair<int, int> > >; std::queue<_Tp, _Sequence>::value_type = std::pair<int, int>]'
  270 |       push(value_type&& __x)
      |       ^~~~
/usr/include/c++/10/bits/stl_queue.h:270:25: note:   no known conversion for argument 1 from '<brace-enclosed initializer list>' to 'std::queue<std::pair<int, int> >::value_type&&' {aka 'std::pair<int, int>&&'}
  270 |       push(value_type&& __x)
      |            ~~~~~~~~~~~~~^~~
007.cpp: In function 'int find(int)':
007.cpp:76:12: error: 'dist' was not declared in this scope; did you mean 'distb'?
   76 |  int ans = dist[now];
      |            ^~~~
      |            distb
007.cpp: In function 'int main()':
007.cpp:105:16: error: 'da' was not declared in this scope; did you mean 'a'?
  105 |  int ans = min(da[d]-da[s], db[d]-db[s]);
      |                ^~
      |                a
007.cpp:105:29: error: 'db' was not declared in this scope; did you mean 'b'?
  105 |  int ans = min(da[d]-da[s], db[d]-db[s]);
      |                             ^~
      |                             b
007.cpp:87:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   87 |  scanf("%d%d%d%d%d%d",&n,&m,&s,&d,&a,&b);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
007.cpp:92:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   92 |   scanf("%d%d",&s,&e);
      |   ~~~~~^~~~~~~~~~~~~~