#include<bits/stdc++.h>
#include<ext/pb_ds/assoc_container.hpp>
#include<ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
typedef long long ll;
typedef vector<ll> vi;
typedef vector<vector<ll>> vvi;
typedef pair<ll,ll> pi;
#define ff first
#define ss second
#define fip(a,b) for(ll i = a ; i < b ; i++)
#define fjp(a,b) for(ll j = a ; j < b ; j++)
#define fp(x,a,b) for(ll x = a ; x < b ; x++)
#define fin(a,b) for(ll i = a : i >= b; i--)
#define fjn(a,b) for(ll j = a : j >= b; j--)
#define fn(x,a,b) for(ll x = a ; x >= b ; x--);
#define ordered_set tree<ll,null_type,less<ll>,rb_tree_tag,tree_order_statistics_node_update>
#define total_one(a) __builtin_popcount(a)
#define front_zero(a) __builtin_clzll(a)
#define back_zero(a) __builtin_ctzll(a)
#define fx(a) for(auto x : a)
#define nli "\n"
#if ONLINE_JUDGE
#define debug(x) cerr<< #x <<" "<< printn(n) << nli;
#else
#define debug(x)
#endif
void printn(ll a){ cerr<<a<<" ";}
void printn(int a){ cerr<<a<<" ";}
template <class T,class V> void _printn(pair<T,V> a){ cerr<<"( "<<a.ff<<" , "<<a.ss<<" ) "<<nli;}
template <class T> void _printn(vector<T> a){
cerr<<"[ ";
for(auto x : a){
_printn(a);
cerr<<nli;
}
cerr<<"]"<<nli;
return;
}
const ll mx = 1e5+5;
ll n,m,k,q,tp,tp2,res,sum,tptp,cnt,ans;
bool f = false;
vector<pi> ve;
vector<pi> adj[mx];
ll dis[mx];
priority_queue<pi,vector<pi>,greater<pi>> pq;
void emptify(){
while(pq.size())
pq.pop();
return;
}
int sr,de;
int main(){
ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
// #ifndef ONLINE_JUDGE
// freopen("input1.txt","r",stdin);
// freopen("output1.txt","w",stdout);
// freopen("error1.txt","w",stderr);
// #endif
cin>>k>>n>>m>>tp2;
fip(0,m){
cin>>sr>>de>>tp;
ve.push_back({sr,de});
adj[sr].push_back({de,tp});
}
while(tp2--){
cin>>sr>>de;
fip(0,n+2)
dis[i] = 1e18;
emptify();
pq.push({0,sr});
while(pq.size()){
auto it = pq.top();
pq.pop();
if(dis[it.ss] < it.ff)
continue;
dis[it.ss] = it.ff;
fx(adj[it.ss]){
if(dis[x.ff] > dis[it.ss] + x.ss)
pq.push({dis[it.ss] + x.ss,x.ff});
}
}
if(dis[de]>1e9)
dis[de] = -1;
cout<<dis[de]<<nli;
}
cerr << "time elapsed : " <<setprecision(6)<< clock() * 1000.00 / CLOCKS_PER_SEC << " ms"<<nli;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3055 ms |
6312 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3042 ms |
8196 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2644 KB |
Output is correct |
2 |
Correct |
1 ms |
2644 KB |
Output is correct |
3 |
Correct |
2 ms |
2644 KB |
Output is correct |
4 |
Correct |
1 ms |
2644 KB |
Output is correct |
5 |
Correct |
2 ms |
2644 KB |
Output is correct |
6 |
Correct |
2 ms |
2644 KB |
Output is correct |
7 |
Correct |
4 ms |
2776 KB |
Output is correct |
8 |
Correct |
19 ms |
2972 KB |
Output is correct |
9 |
Correct |
13 ms |
2848 KB |
Output is correct |
10 |
Correct |
18 ms |
6192 KB |
Output is correct |
11 |
Correct |
381 ms |
8244 KB |
Output is correct |
12 |
Correct |
524 ms |
11708 KB |
Output is correct |
13 |
Correct |
990 ms |
11708 KB |
Output is correct |
14 |
Correct |
808 ms |
9180 KB |
Output is correct |
15 |
Correct |
408 ms |
7604 KB |
Output is correct |
16 |
Correct |
257 ms |
7532 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2644 KB |
Output is correct |
2 |
Correct |
1 ms |
2644 KB |
Output is correct |
3 |
Correct |
2 ms |
2644 KB |
Output is correct |
4 |
Correct |
1 ms |
2644 KB |
Output is correct |
5 |
Correct |
2 ms |
2644 KB |
Output is correct |
6 |
Correct |
2 ms |
2644 KB |
Output is correct |
7 |
Correct |
4 ms |
2776 KB |
Output is correct |
8 |
Correct |
19 ms |
2972 KB |
Output is correct |
9 |
Correct |
13 ms |
2848 KB |
Output is correct |
10 |
Correct |
18 ms |
6192 KB |
Output is correct |
11 |
Correct |
381 ms |
8244 KB |
Output is correct |
12 |
Correct |
524 ms |
11708 KB |
Output is correct |
13 |
Correct |
990 ms |
11708 KB |
Output is correct |
14 |
Correct |
808 ms |
9180 KB |
Output is correct |
15 |
Correct |
408 ms |
7604 KB |
Output is correct |
16 |
Correct |
257 ms |
7532 KB |
Output is correct |
17 |
Execution timed out |
3017 ms |
8260 KB |
Time limit exceeded |
18 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Execution timed out |
3055 ms |
6312 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |