Submission #207581

#	Time	Username	Problem	Language	Result	Execution time	Memory
207581		aloo123	Crocodile's Underground City (IOI11_crocodile)	C++14	Compilation error	0 ms	0 KiB

crocodile

#include <bits/stdc++.h>
 #include <crocodile.h>
#define ll int
#define pb push_back
#define mp make_pair
#define s second
#define f first
using namespace std;
#define pii pair<int,int>
const int INF = INT_MAX;
int travel_plan(int n,int m,int r[][2],int l[],int k,int p[]){
	vector<pii> adj[n];
	for(int i =0;i<m;i++){
		int u = r[i][0];
		int v = r[i][1];
		int d = l[i];
		adj[u].push_back(make_pair(u,d));
		adj[v].push_back(make_pair(v,d));
	}
	pii dis[n];
	int actual[n];
	for(int i =0;i<n;i++) dis[i] = mp(INF,INF),actual[i]=INF;
	
	priority_queue<pii,vector<pii>,greater<pii>> pq;
	for(int i =0;i<k;i++){
		ll u = p[i];
		pq.push(mp(0,u));
		dis[u].f = 0;
		dis[u].s = 0;
		actual[u] = 0;
	}
	vector<bool> vis(n,false);
	while(!pq.empty()){
		pii u = pq.top();
		pq.pop();
		if(vis[u]) continue;
		vis[u]=true;
		for(auto v:adj[u.s]){
			int Dist = actual[u] + v.s;
			int V = v.f;
			if(Dist <= dis[V].f){
				dis[V].s = dis[V].f;
				dis[V].f = Dist;

				actual[V] = dis[V].f;
				pq.push(mp(actual[V],V));
			}
			else if(Dist < dis[V].s){
				dis[V].s = Dist;
			}
		}
	}

	return dis[0].s;

}

Compilation message (stderr)

crocodile.cpp: In function 'int travel_plan(int, int, int (*)[2], int*, int, int*)':
crocodile.cpp:36:9: error: no match for 'operator[]' (operand types are 'std::vector<bool>' and 'std::pair<int, int>')
   if(vis[u]) continue;
         ^
In file included from /usr/include/c++/7/vector:65:0,
                 from /usr/include/c++/7/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:86,
                 from crocodile.cpp:1:
/usr/include/c++/7/bits/stl_bvector.h:856:5: note: candidate: std::vector<bool, _Alloc>::reference std::vector<bool, _Alloc>::operator[](std::vector<bool, _Alloc>::size_type) [with _Alloc = std::allocator<bool>; std::vector<bool, _Alloc>::reference = std::_Bit_reference; std::vector<bool, _Alloc>::size_type = long unsigned int]
     operator[](size_type __n)
     ^~~~~~~~
/usr/include/c++/7/bits/stl_bvector.h:856:5: note:   no known conversion for argument 1 from 'std::pair<int, int>' to 'std::vector<bool>::size_type {aka long unsigned int}'
/usr/include/c++/7/bits/stl_bvector.h:863:5: note: candidate: std::vector<bool, _Alloc>::const_reference std::vector<bool, _Alloc>::operator[](std::vector<bool, _Alloc>::size_type) const [with _Alloc = std::allocator<bool>; std::vector<bool, _Alloc>::const_reference = bool; std::vector<bool, _Alloc>::size_type = long unsigned int]
     operator[](size_type __n) const
     ^~~~~~~~
/usr/include/c++/7/bits/stl_bvector.h:863:5: note:   no known conversion for argument 1 from 'std::pair<int, int>' to 'std::vector<bool>::size_type {aka long unsigned int}'
crocodile.cpp:37:6: error: no match for 'operator[]' (operand types are 'std::vector<bool>' and 'std::pair<int, int>')
   vis[u]=true;
      ^
In file included from /usr/include/c++/7/vector:65:0,
                 from /usr/include/c++/7/queue:61,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:86,
                 from crocodile.cpp:1:
/usr/include/c++/7/bits/stl_bvector.h:856:5: note: candidate: std::vector<bool, _Alloc>::reference std::vector<bool, _Alloc>::operator[](std::vector<bool, _Alloc>::size_type) [with _Alloc = std::allocator<bool>; std::vector<bool, _Alloc>::reference = std::_Bit_reference; std::vector<bool, _Alloc>::size_type = long unsigned int]
     operator[](size_type __n)
     ^~~~~~~~
/usr/include/c++/7/bits/stl_bvector.h:856:5: note:   no known conversion for argument 1 from 'std::pair<int, int>' to 'std::vector<bool>::size_type {aka long unsigned int}'
/usr/include/c++/7/bits/stl_bvector.h:863:5: note: candidate: std::vector<bool, _Alloc>::const_reference std::vector<bool, _Alloc>::operator[](std::vector<bool, _Alloc>::size_type) const [with _Alloc = std::allocator<bool>; std::vector<bool, _Alloc>::const_reference = bool; std::vector<bool, _Alloc>::size_type = long unsigned int]
     operator[](size_type __n) const
     ^~~~~~~~
/usr/include/c++/7/bits/stl_bvector.h:863:5: note:   no known conversion for argument 1 from 'std::pair<int, int>' to 'std::vector<bool>::size_type {aka long unsigned int}'
crocodile.cpp:39:21: error: no match for 'operator[]' (operand types are 'int [n]' and 'std::pair<int, int>')
    int Dist = actual[u] + v.s;
                     ^