#include<bits/stdc++.h>
using namespace std;
#define INIT ios_base :: sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define mp make_pair
#define pb push_back
#define ft first
#define sc second
#define ll long long
#define pii pair<int, int>
#define count_bits __builtin_popcount
int t, n, m, k, b[30010], p[30010];
int crd[30010];
int d[2010];
bool v[2010];
bool dog[2010];
vector<pii> g[30010];
set<int> dgs[2010];
void dijkstra(){
multiset<pii> ms;
ms.insert({d[crd[1] ], crd[1]});
while(!ms.empty()){
auto f=*ms.begin(); ms.erase(ms.begin());
int nod=f.sc;
v[nod]=true;
//cout<<nod<<"y\n";
if(nod==crd[2]);
for(auto pr:g[nod]){
int u=pr.ft, c=pr.sc;
if(v[u]){continue;}
//cout<<u<<" "<<c<<"x\n";
auto it=ms.find({d[u], u});
if(it!=ms.end()){
ms.erase(it);
d[u]=min(d[u], d[nod]+c);
ms.insert({d[u], u});
}
else{
d[u]=d[nod]+c;
ms.insert({d[u], u} );
}
}
}
return;
}
int32_t main(){
INIT
cin>>n>>m;
for(int i=1; i<=n; i++){d[i]=-1;}
for(int i=1; i<=m; i++){
cin>>b[i]>>p[i]; b[i]++;
dog[b[i] ]=true;
dgs[b[i] ].insert({p[i]});
crd[i ]=b[i];
}
for(int nod=1; nod<=n; nod++){
for(auto it=dgs[nod].begin(); it!=dgs[nod].end(); it++){
int p=*it;
for(int j=nod-p; j>=1; j-=p){
if((dog[j]) ){
// g[j].pb({b[i], abs(b[i]-j)/p[i] });
g[nod ].pb({j, abs(nod-j)/p });}
}
for(int j=nod+p; j<=n; j+=p){
if( (dog[j]) ){
//g[j].pb({b[i], abs(b[i]-j)/p[i] });
g[nod ].pb({j, abs(nod-j)/p });}
}
}
}
d[crd[1] ]=0;
dijkstra();
cout<<d[crd[2] ];
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1132 KB |
Output is correct |
2 |
Correct |
1 ms |
1132 KB |
Output is correct |
3 |
Correct |
1 ms |
1132 KB |
Output is correct |
4 |
Correct |
1 ms |
1132 KB |
Output is correct |
5 |
Correct |
2 ms |
1132 KB |
Output is correct |
6 |
Correct |
1 ms |
1132 KB |
Output is correct |
7 |
Correct |
1 ms |
1132 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1132 KB |
Output is correct |
2 |
Correct |
1 ms |
1132 KB |
Output is correct |
3 |
Correct |
1 ms |
1164 KB |
Output is correct |
4 |
Correct |
1 ms |
1132 KB |
Output is correct |
5 |
Correct |
1 ms |
1132 KB |
Output is correct |
6 |
Correct |
1 ms |
1132 KB |
Output is correct |
7 |
Correct |
1 ms |
1132 KB |
Output is correct |
8 |
Correct |
1 ms |
1132 KB |
Output is correct |
9 |
Correct |
1 ms |
1132 KB |
Output is correct |
10 |
Correct |
1 ms |
1260 KB |
Output is correct |
11 |
Correct |
2 ms |
1388 KB |
Output is correct |
12 |
Correct |
1 ms |
1132 KB |
Output is correct |
13 |
Correct |
2 ms |
1260 KB |
Output is correct |
14 |
Correct |
2 ms |
1260 KB |
Output is correct |
15 |
Correct |
2 ms |
1260 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1132 KB |
Output is correct |
2 |
Correct |
1 ms |
1132 KB |
Output is correct |
3 |
Correct |
1 ms |
1132 KB |
Output is correct |
4 |
Correct |
1 ms |
1132 KB |
Output is correct |
5 |
Correct |
1 ms |
1132 KB |
Output is correct |
6 |
Correct |
1 ms |
1132 KB |
Output is correct |
7 |
Correct |
1 ms |
1132 KB |
Output is correct |
8 |
Correct |
1 ms |
1132 KB |
Output is correct |
9 |
Correct |
2 ms |
1132 KB |
Output is correct |
10 |
Correct |
1 ms |
1260 KB |
Output is correct |
11 |
Correct |
2 ms |
1388 KB |
Output is correct |
12 |
Correct |
1 ms |
1132 KB |
Output is correct |
13 |
Correct |
2 ms |
1260 KB |
Output is correct |
14 |
Correct |
2 ms |
1260 KB |
Output is correct |
15 |
Correct |
2 ms |
1260 KB |
Output is correct |
16 |
Correct |
1 ms |
1260 KB |
Output is correct |
17 |
Correct |
4 ms |
1516 KB |
Output is correct |
18 |
Correct |
1 ms |
1260 KB |
Output is correct |
19 |
Correct |
1 ms |
1260 KB |
Output is correct |
20 |
Correct |
348 ms |
33644 KB |
Output is correct |
21 |
Correct |
1 ms |
1260 KB |
Output is correct |
22 |
Correct |
2 ms |
1260 KB |
Output is correct |
23 |
Correct |
2 ms |
1260 KB |
Output is correct |
24 |
Correct |
3 ms |
1388 KB |
Output is correct |
25 |
Correct |
2 ms |
1388 KB |
Output is correct |
26 |
Correct |
1 ms |
1260 KB |
Output is correct |
27 |
Correct |
1 ms |
1260 KB |
Output is correct |
28 |
Correct |
2 ms |
1516 KB |
Output is correct |
29 |
Correct |
1 ms |
1260 KB |
Output is correct |
30 |
Correct |
1 ms |
1132 KB |
Output is correct |
31 |
Correct |
1 ms |
1260 KB |
Output is correct |
32 |
Correct |
1 ms |
1132 KB |
Output is correct |
33 |
Correct |
2 ms |
1260 KB |
Output is correct |
34 |
Correct |
2 ms |
1260 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
1132 KB |
Output is correct |
2 |
Correct |
1 ms |
1132 KB |
Output is correct |
3 |
Correct |
1 ms |
1132 KB |
Output is correct |
4 |
Correct |
1 ms |
1132 KB |
Output is correct |
5 |
Correct |
1 ms |
1132 KB |
Output is correct |
6 |
Correct |
1 ms |
1132 KB |
Output is correct |
7 |
Correct |
1 ms |
1132 KB |
Output is correct |
8 |
Correct |
1 ms |
1132 KB |
Output is correct |
9 |
Correct |
1 ms |
1132 KB |
Output is correct |
10 |
Correct |
1 ms |
1260 KB |
Output is correct |
11 |
Correct |
2 ms |
1388 KB |
Output is correct |
12 |
Correct |
2 ms |
1132 KB |
Output is correct |
13 |
Correct |
2 ms |
1260 KB |
Output is correct |
14 |
Correct |
2 ms |
1260 KB |
Output is correct |
15 |
Correct |
2 ms |
1260 KB |
Output is correct |
16 |
Correct |
1 ms |
1260 KB |
Output is correct |
17 |
Correct |
4 ms |
1516 KB |
Output is correct |
18 |
Correct |
2 ms |
1260 KB |
Output is correct |
19 |
Correct |
1 ms |
1260 KB |
Output is correct |
20 |
Correct |
344 ms |
33644 KB |
Output is correct |
21 |
Correct |
2 ms |
1260 KB |
Output is correct |
22 |
Correct |
1 ms |
1260 KB |
Output is correct |
23 |
Correct |
3 ms |
1260 KB |
Output is correct |
24 |
Correct |
3 ms |
1388 KB |
Output is correct |
25 |
Correct |
3 ms |
1388 KB |
Output is correct |
26 |
Correct |
2 ms |
1260 KB |
Output is correct |
27 |
Correct |
2 ms |
1260 KB |
Output is correct |
28 |
Correct |
2 ms |
1516 KB |
Output is correct |
29 |
Correct |
1 ms |
1260 KB |
Output is correct |
30 |
Correct |
1 ms |
1132 KB |
Output is correct |
31 |
Correct |
1 ms |
1260 KB |
Output is correct |
32 |
Correct |
1 ms |
1132 KB |
Output is correct |
33 |
Correct |
2 ms |
1260 KB |
Output is correct |
34 |
Correct |
3 ms |
1260 KB |
Output is correct |
35 |
Correct |
30 ms |
4460 KB |
Output is correct |
36 |
Correct |
5 ms |
1772 KB |
Output is correct |
37 |
Correct |
47 ms |
5484 KB |
Output is correct |
38 |
Correct |
44 ms |
5612 KB |
Output is correct |
39 |
Correct |
45 ms |
5868 KB |
Output is correct |
40 |
Correct |
45 ms |
5740 KB |
Output is correct |
41 |
Correct |
42 ms |
5612 KB |
Output is correct |
42 |
Correct |
6 ms |
1772 KB |
Output is correct |
43 |
Correct |
6 ms |
1772 KB |
Output is correct |
44 |
Correct |
350 ms |
34028 KB |
Output is correct |
45 |
Correct |
21 ms |
3436 KB |
Output is correct |
46 |
Correct |
21 ms |
3436 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
1132 KB |
Output is correct |
2 |
Correct |
1 ms |
1132 KB |
Output is correct |
3 |
Correct |
1 ms |
1132 KB |
Output is correct |
4 |
Correct |
1 ms |
1132 KB |
Output is correct |
5 |
Correct |
1 ms |
1132 KB |
Output is correct |
6 |
Correct |
1 ms |
1132 KB |
Output is correct |
7 |
Correct |
1 ms |
1132 KB |
Output is correct |
8 |
Correct |
1 ms |
1132 KB |
Output is correct |
9 |
Correct |
1 ms |
1132 KB |
Output is correct |
10 |
Correct |
1 ms |
1260 KB |
Output is correct |
11 |
Correct |
3 ms |
1388 KB |
Output is correct |
12 |
Correct |
2 ms |
1132 KB |
Output is correct |
13 |
Correct |
2 ms |
1260 KB |
Output is correct |
14 |
Correct |
2 ms |
1260 KB |
Output is correct |
15 |
Correct |
2 ms |
1260 KB |
Output is correct |
16 |
Correct |
2 ms |
1260 KB |
Output is correct |
17 |
Correct |
4 ms |
1516 KB |
Output is correct |
18 |
Correct |
2 ms |
1260 KB |
Output is correct |
19 |
Correct |
1 ms |
1260 KB |
Output is correct |
20 |
Correct |
344 ms |
33644 KB |
Output is correct |
21 |
Correct |
2 ms |
1260 KB |
Output is correct |
22 |
Correct |
1 ms |
1260 KB |
Output is correct |
23 |
Correct |
2 ms |
1260 KB |
Output is correct |
24 |
Correct |
3 ms |
1388 KB |
Output is correct |
25 |
Correct |
2 ms |
1388 KB |
Output is correct |
26 |
Correct |
2 ms |
1260 KB |
Output is correct |
27 |
Correct |
1 ms |
1260 KB |
Output is correct |
28 |
Correct |
2 ms |
1516 KB |
Output is correct |
29 |
Correct |
1 ms |
1260 KB |
Output is correct |
30 |
Correct |
1 ms |
1132 KB |
Output is correct |
31 |
Correct |
1 ms |
1260 KB |
Output is correct |
32 |
Correct |
1 ms |
1132 KB |
Output is correct |
33 |
Correct |
2 ms |
1260 KB |
Output is correct |
34 |
Correct |
2 ms |
1260 KB |
Output is correct |
35 |
Correct |
29 ms |
4460 KB |
Output is correct |
36 |
Correct |
5 ms |
1772 KB |
Output is correct |
37 |
Correct |
46 ms |
5484 KB |
Output is correct |
38 |
Correct |
44 ms |
5612 KB |
Output is correct |
39 |
Correct |
45 ms |
5868 KB |
Output is correct |
40 |
Correct |
46 ms |
5740 KB |
Output is correct |
41 |
Correct |
43 ms |
5612 KB |
Output is correct |
42 |
Correct |
6 ms |
1772 KB |
Output is correct |
43 |
Correct |
6 ms |
1772 KB |
Output is correct |
44 |
Correct |
349 ms |
34156 KB |
Output is correct |
45 |
Correct |
21 ms |
3436 KB |
Output is correct |
46 |
Correct |
21 ms |
3436 KB |
Output is correct |
47 |
Runtime error |
3 ms |
2284 KB |
Execution killed with signal 11 (could be triggered by violating memory limits) |
48 |
Halted |
0 ms |
0 KB |
- |