#include<iostream>
#include<vector>
#include<algorithm>
#define ep emplace
#define eb emplace_back
#define fi first
#define se second
#define all(x) (x).begin(),(x).end()
using namespace std;
typedef long long ll;
typedef pair<int,int>pi;
typedef pair<ll,ll>pl;
const int inf=1e9+7;
const ll INF=1e18;
inline void solve()
{
int n,m,q,p;
cin>>n>>m>>q>>p;
vector<vector<ll> >vv(n+1);
vector<vector<pl> >adj(n+1);
for(int i=0;i<m;i++)
{
int u,v;
ll d;
cin>>u>>v>>d;
adj[v].eb(u,d);
}
vv[1].eb(0);
for(int i=1;i++<n;)
{
vector<ll>curv;
int i1=adj[i][0].fi,i2=adj[i][1].fi;
ll w1=adj[i][0].se,w2=adj[i][1].se;
int j=0,k=0;
while(j<(int)vv[i1].size()&&k<(int)vv[i2].size())
{
if(vv[i1][j]+w1<vv[i2][k]+w2)
curv.eb(vv[i1][j]+w1),j++;
else
curv.eb(vv[i2][k]+w2),k++;
}
while(j<(int)vv[i1].size()||k<(int)vv[i2].size())
{
if(j<(int)vv[i1].size())
curv.eb(vv[i1][j]+w1),j++;
else
curv.eb(vv[i2][k]+w2),k++;
}
for(ll&t:curv)
{
if((int)vv[i].size()>1&&t*(p-1)<=vv[i][(int)vv[i].size()-2]*p)
vv[i].pop_back();
vv[i].eb(t);
}
}
for(int qi=0;qi++<q;)
{
int i;
ll r;
cin>>i>>r;
auto it=lower_bound(all(vv[i]),r);
if(it!=vv[i].end()&&*it*(p-1)<=r*p)
cout<<1;
else
cout<<0;
}
cout<<'\n';
return;
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int t;
cin>>t;
while(t-->0)
solve();
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Correct |
1 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
6 ms |
384 KB |
Output is correct |
6 |
Correct |
1 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
384 KB |
Output is correct |
10 |
Correct |
0 ms |
384 KB |
Output is correct |
11 |
Correct |
1 ms |
384 KB |
Output is correct |
12 |
Correct |
8 ms |
384 KB |
Output is correct |
13 |
Runtime error |
6 ms |
512 KB |
Execution killed with signal 11 |
14 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
0 ms |
384 KB |
Output is correct |
5 |
Correct |
1 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
1 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
1 ms |
380 KB |
Output is correct |
10 |
Runtime error |
3 ms |
640 KB |
Execution killed with signal 11 |
11 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
469 ms |
34576 KB |
Output is correct |
3 |
Correct |
365 ms |
7628 KB |
Output is correct |
4 |
Correct |
344 ms |
4004 KB |
Output is correct |
5 |
Correct |
306 ms |
1100 KB |
Output is correct |
6 |
Correct |
368 ms |
11384 KB |
Output is correct |
7 |
Correct |
378 ms |
6304 KB |
Output is correct |
8 |
Correct |
380 ms |
11876 KB |
Output is correct |
9 |
Correct |
385 ms |
6136 KB |
Output is correct |
10 |
Correct |
352 ms |
11484 KB |
Output is correct |
11 |
Correct |
295 ms |
6024 KB |
Output is correct |
12 |
Correct |
101 ms |
512 KB |
Output is correct |
13 |
Correct |
8 ms |
384 KB |
Output is correct |
14 |
Correct |
7 ms |
384 KB |
Output is correct |
15 |
Correct |
10 ms |
384 KB |
Output is correct |
16 |
Correct |
14 ms |
432 KB |
Output is correct |
17 |
Correct |
24 ms |
384 KB |
Output is correct |
18 |
Correct |
148 ms |
1080 KB |
Output is correct |
19 |
Correct |
19 ms |
384 KB |
Output is correct |
20 |
Correct |
39 ms |
384 KB |
Output is correct |
21 |
Correct |
54 ms |
504 KB |
Output is correct |
22 |
Correct |
41 ms |
384 KB |
Output is correct |
23 |
Correct |
249 ms |
36472 KB |
Output is correct |
24 |
Correct |
743 ms |
144208 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
666 ms |
37316 KB |
Output is correct |
2 |
Correct |
739 ms |
12972 KB |
Output is correct |
3 |
Correct |
706 ms |
6936 KB |
Output is correct |
4 |
Correct |
645 ms |
2112 KB |
Output is correct |
5 |
Correct |
580 ms |
908 KB |
Output is correct |
6 |
Correct |
598 ms |
1488 KB |
Output is correct |
7 |
Correct |
592 ms |
20244 KB |
Output is correct |
8 |
Correct |
568 ms |
10360 KB |
Output is correct |
9 |
Correct |
550 ms |
16196 KB |
Output is correct |
10 |
Correct |
411 ms |
8200 KB |
Output is correct |
11 |
Correct |
529 ms |
20096 KB |
Output is correct |
12 |
Correct |
505 ms |
10240 KB |
Output is correct |
13 |
Correct |
160 ms |
640 KB |
Output is correct |
14 |
Correct |
12 ms |
384 KB |
Output is correct |
15 |
Correct |
10 ms |
832 KB |
Output is correct |
16 |
Correct |
3767 ms |
1027216 KB |
Output is correct |
17 |
Correct |
3647 ms |
1027804 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
0 ms |
384 KB |
Output is correct |
3 |
Runtime error |
1 ms |
512 KB |
Execution killed with signal 11 |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
165 ms |
11444 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Runtime error |
169 ms |
11328 KB |
Execution killed with signal 11 |
2 |
Halted |
0 ms |
0 KB |
- |