oj.uz

Submission #1060979

# Submission time Handle Problem Language Result Execution time Memory
1060979 2024-08-16T05:10:02 Z Halym2007 Cyberland (APIO23_cyberland) C++17
Compilation error
 0 ms 0 KB 
#include <bits/stdc++.h>
//#include "cyberland.h"
using namespace std;
#define ll long long
#define sz size()
#define ff first
#define ss second
#define pb push_back
#define pii pair <ll, ll>
const int N = 2e5 + 5;
 
vector <pii> v[N];
ll dis[N];
priority_queue <pair <ll, ll>, vector<pair <ll, ll>>, greater <pair <ll, ll>>> q;
ll n, m, k, h, vis[N];
vector <ll> a, tt;
 
void dfs (ll x) {
	vis[x] = 1;
	if (a[x] == 0) {
		tt.pb (x);
	}
	for (pii i : v[x]) {
		if (vis[i.ff]) continue;
		dfs(i.ff);
	}
}
 
 
double solve(int N, int M, int K, int H, vector<int> x, vector<int> y, vector<int> c, vector<int> arr) {
	n = N;m = M;k = K;h = H;
	a = arr;
//	assert (h != 0);
	for (ll i = 0; i < m; ++i) {
		v[x[i]].pb ({y[i], c[i]});
		v[y[i]].pb ({x[i], c[i]});
	}
	
	for (ll i = 0; i < n; ++i) {
		dis[i] = 1e16;
	}
	q.push ({0, h});
	dis[h] = 0;
	while (!q.empty()) {
		ll x = q.top().ss;
		q.pop();
		for (pii i : v[x]) {
			if (dis[i.ff] > dis[x] + i.ss) {
				dis[i.ff] = dis[x] + i.ss;
				q.push({dis[i.ff], i.ff});
			}		
		}
	} 
	double jogap = 1e16;
	jogap = min (jogap, (double)dis[0]);
	vis[h] = 1;
	dfs (0);
	
	for (ll i : tt) {
		jogap = min (jogap, (double)dis[i]);
	}
	
	if (jogap == (double)1e16) jogap = -1;
	for (ll i = 0; i < n; ++i) {
		v[i].clear();
		vis[i] = 0;
	}
	return jogap;
}
 
 
//int main() {
//	freopen ("input.txt", "r", stdin);
//  int T;
//  assert(1 == scanf("%d", &T));
//  while (T--){
//    int N,M,K,H;
//    assert(4 == scanf("%d %d %d\n%d", &N, &M, &K, &H));
//    std::vector<int> x(M);
//    std::vector<int> y(M);
//    std::vector<int> c(M);
//    std::vector<int> arr(N);
//    for (ll i=0;i<N;i++)
//      assert(1 == scanf("%d", &arr[i]));
//    for (ll i=0;i<M;i++)
//      assert(3 == scanf("%d %d %d", &x[i], &y[i], &c[i]));
//    prllf("%.12lf\n", solve(N, M, K, H, x, y, c, arr));
//  }
//}
 
 
/*
1
3 2 30
2
1 2 1
1 2 12
2 0 4
answer : 4.00000000000
 
1
4 4 30
3
1 0 2 1
0 1 5
0 2 4
1 3 2
2 3 4
answer : 2.00000000000
*/

Compilation message

cyberland.cpp: In function 'double solve(int, int, int, int, std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
cyberland.cpp:32:6: error: no match for 'operator=' (operand types are 'std::vector<long long int>' and 'std::vector<int>')
   32 |  a = arr;
      |      ^~~
In file included from /usr/include/c++/10/vector:72,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from cyberland.cpp:1:
/usr/include/c++/10/bits/vector.tcc:198:5: note: candidate: 'std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(const std::vector<_Tp, _Alloc>&) [with _Tp = long long int; _Alloc = std::allocator<long long int>]'
  198 |     vector<_Tp, _Alloc>::
      |     ^~~~~~~~~~~~~~~~~~~
/usr/include/c++/10/bits/vector.tcc:199:42: note:   no known conversion for argument 1 from 'std::vector<int>' to 'const std::vector<long long int>&'
  199 |     operator=(const vector<_Tp, _Alloc>& __x)
      |               ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
In file included from /usr/include/c++/10/vector:67,
                 from /usr/include/c++/10/functional:62,
                 from /usr/include/c++/10/pstl/glue_algorithm_defs.h:13,
                 from /usr/include/c++/10/algorithm:74,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from cyberland.cpp:1:
/usr/include/c++/10/bits/stl_vector.h:709:7: note: candidate: 'std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::vector<_Tp, _Alloc>&&) [with _Tp = long long int; _Alloc = std::allocator<long long int>]'
  709 |       operator=(vector&& __x) noexcept(_Alloc_traits::_S_nothrow_move())
      |       ^~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:709:26: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::vector<long long int>&&'
  709 |       operator=(vector&& __x) noexcept(_Alloc_traits::_S_nothrow_move())
      |                 ~~~~~~~~~^~~
/usr/include/c++/10/bits/stl_vector.h:730:7: note: candidate: 'std::vector<_Tp, _Alloc>& std::vector<_Tp, _Alloc>::operator=(std::initializer_list<_Tp>) [with _Tp = long long int; _Alloc = std::allocator<long long int>]'
  730 |       operator=(initializer_list<value_type> __l)
      |       ^~~~~~~~
/usr/include/c++/10/bits/stl_vector.h:730:46: note:   no known conversion for argument 1 from 'std::vector<int>' to 'std::initializer_list<long long int>'
  730 |       operator=(initializer_list<value_type> __l)
      |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~