Submission #151784

# Submission time Handle Problem Language Result Execution time Memory
151784 2019-09-04T17:10:17 Z gs18065 Alternative Mart (FXCUP2_mart) C++14
1 / 1
1936 ms 75036 KB
#include <bits/stdc++.h>
#define N 50005
#define M 1000003
#define INF 2000000009
#define LINF 9000000000000000009LL
#define fi first
#define se second
#define eb emplace_back
#define lb lower_bound
#define all(x) (x).begin(),(x).end()
#define uniqv(x) (x).erase(unique(all(x)),(x).end())
#define fastio ios::sync_with_stdio(false);cin.tie(0)
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef pair<ll,pll> tri;

int n,m,k,q,s[N],cnt;
vector<pll> net[N];
vector<pll> dist[N];
set<int> vis[N];

void dijkstra(){
	priority_queue<tri,vector<tri>,greater<tri> > Q;
	for(int i=0;i<k;i++){
		Q.push({0,{s[i],s[i]}});
	}
	while(!Q.empty()){
		tri p=Q.top();
		Q.pop();
		int now=p.se.se,from=p.se.fi;
		ll cost=p.fi;
		if(vis[now].size()==11||vis[now].find(from)!=vis[now].end()) continue;
		vis[now].insert(from);
		dist[now].eb(cost,from);
		for(auto i:net[now]){
			int next=i.fi;
			ll nextcost=cost+i.se;
			Q.push({nextcost,{from,next}});
		}
	}
	return;
}
int main(){
	fastio;
	cin>>n>>m>>k>>q;
	for(int i=0;i<k;i++){
		cin>>s[i];
	}
	for(int i=0,t1,t2;i<m;i++){
		ll val;
		cin>>t1>>t2>>val;
		net[t1].eb(t2,val);
		net[t2].eb(t1,val);
	}	
	dijkstra();
	while(q--){
		int st,num;
		cin>>st>>num;
		vector<bool> chk(n+1,false);
		for(int i=0,t;i<num;i++){
			cin>>t;
			chk[t]=true;
		}
		ll ans1=LINF,ans2=LINF;
		for(int i=0;i<dist[st].size();i++){
			if(chk[dist[st][i].se]) continue;
			if(dist[st][i].fi<ans2||(dist[st][i].fi==ans2&&dist[st][i].se<ans1)){
				ans1=dist[st][i].se;
				ans2=dist[st][i].fi;
			}
		}
		cout<<ans1<<" "<<ans2<<"\n";
	}
	return 0;
}

Compilation message

mart.cpp: In function 'int main()':
mart.cpp:67:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i=0;i<dist[st].size();i++){
               ~^~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 6 ms 4984 KB Output is correct
2 Correct 7 ms 4948 KB Output is correct
3 Correct 6 ms 5112 KB Output is correct
4 Correct 6 ms 4984 KB Output is correct
5 Correct 7 ms 5112 KB Output is correct
6 Correct 7 ms 5160 KB Output is correct
7 Correct 10 ms 5496 KB Output is correct
8 Correct 10 ms 5496 KB Output is correct
9 Correct 98 ms 11880 KB Output is correct
10 Correct 82 ms 12260 KB Output is correct
11 Correct 68 ms 9912 KB Output is correct
12 Correct 55 ms 9592 KB Output is correct
13 Correct 965 ms 61804 KB Output is correct
14 Correct 968 ms 61956 KB Output is correct
15 Correct 138 ms 13300 KB Output is correct
16 Correct 120 ms 13376 KB Output is correct
17 Correct 1086 ms 47936 KB Output is correct
18 Correct 746 ms 48760 KB Output is correct
19 Correct 1242 ms 51504 KB Output is correct
20 Correct 903 ms 51116 KB Output is correct
21 Correct 1089 ms 52276 KB Output is correct
22 Correct 1063 ms 51148 KB Output is correct
23 Correct 1161 ms 56280 KB Output is correct
24 Correct 1261 ms 53324 KB Output is correct
25 Correct 1176 ms 57624 KB Output is correct
26 Correct 1245 ms 55384 KB Output is correct
27 Correct 170 ms 14376 KB Output is correct
28 Correct 156 ms 13944 KB Output is correct
29 Correct 1566 ms 52824 KB Output is correct
30 Correct 1239 ms 48868 KB Output is correct
31 Correct 1305 ms 56296 KB Output is correct
32 Correct 1239 ms 51184 KB Output is correct
33 Correct 1276 ms 54932 KB Output is correct
34 Correct 1634 ms 60044 KB Output is correct
35 Correct 1342 ms 60376 KB Output is correct
36 Correct 1483 ms 61284 KB Output is correct
37 Correct 1460 ms 66140 KB Output is correct
38 Correct 1432 ms 63636 KB Output is correct
39 Correct 191 ms 15596 KB Output is correct
40 Correct 201 ms 15512 KB Output is correct
41 Correct 1936 ms 59292 KB Output is correct
42 Correct 1793 ms 57088 KB Output is correct
43 Correct 1677 ms 65528 KB Output is correct
44 Correct 1752 ms 64572 KB Output is correct
45 Correct 1716 ms 65800 KB Output is correct
46 Correct 1578 ms 65048 KB Output is correct
47 Correct 1731 ms 69032 KB Output is correct
48 Correct 1663 ms 68212 KB Output is correct
49 Correct 1697 ms 70068 KB Output is correct
50 Correct 1717 ms 69660 KB Output is correct
51 Correct 1315 ms 75036 KB Output is correct
52 Correct 1352 ms 74692 KB Output is correct
53 Correct 490 ms 51960 KB Output is correct
54 Correct 1356 ms 57520 KB Output is correct
55 Correct 1497 ms 59912 KB Output is correct
56 Correct 1556 ms 63760 KB Output is correct
57 Correct 929 ms 60252 KB Output is correct