#include <bits/stdc++.h>
using namespace std;
#define ll long long
int p[17][100000][5],mi[17][100000][5];
int k;
int get(int x,int y)
{
int di=y/k-x/k;
if(di<=0)
return -1;
int o=0;
int j=1;
vector<int>b(5),c(5),d(5),bb(5);
for(int i=0;i<5;i++)
{
b[i]=-1;
c[i]=-1;
d[i]=1000000000;
}
b[x%k]=x;
d[x%k]=0;
while(o<17)
{
if((di&j)==j)
{
c=d;
d[0]=1e9;
d[1]=d[0];
d[2]=d[0];
d[3]=d[0];
d[4]=d[0];
for(int h=0;h<5;h++)
bb[h]=-1;
for(int i=0;i<k;i++)
{
for(int u=0;u<k;u++)
{
if(b[u]==-1||p[o][b[u]][i]==-1)
continue;
//cout<<"whatever"<<endl;
bb[i]=p[o][b[u]][i];
d[i]=min(d[i],c[u]+mi[o][b[u]][i]);
}
}
b=bb;
c=d;
/*for(int i=0;i<k;i++)
{
cout<<b[i]<<' ';
}
cout<<endl;*/
}
j*=2;
o++;
}
return c[y%k];
}
int main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
// freopen("balancing.in","r",stdin);
// freopen("balancing.out","w",stdout);
int n,m,o;
cin>>k>>n>>m>>o;
vector<int>v[n+1];
for(int i=0;i<17;i++)
{
for(int y=0;y<n;y++)
{
for(int h=0;h<k;h++)
{
p[i][y][h]=-1;
}
}
}
for(int i=0;i<m;i++)
{
int x,y,t;
cin>>x>>y>>t;
v[x].push_back(y);
p[0][x][y%k]=y;
mi[0][x][y%k]=t;
}
for(int i=0;i<17;i++)
{
for(int y=0;y<n;y++)
{
for(int u=0;u<k;u++)
{
for(int z=0;z<k;z++)
{
if(i)
{
if(p[i-1][y][z]==-1||p[i-1][p[i-1][y][z]][u]==-1)
continue;
p[i][y][u]=p[i-1][p[i-1][y][z]][u];
if(mi[i][y][u]==0)
mi[i][y][u]=1e9;
mi[i][y][u]=min(mi[i][y][u],mi[i-1][y][z]+mi[i-1][p[i-1][y][z]][u]);
}
}
/* if(i<5)
{
cout<<p[i][y][u]<<' ';
}*/
}
// if(i<5)
// cout<<endl;
}
//if(i<5)
// cout<<endl;
}
while(o--)
{
int x,y;
cin>>x>>y;
int ans=get(x,y);
if(ans>=1000000000)
cout<<-1<<endl;
else
cout<<ans<<endl;
}
}
Compilation message
toll.cpp: In function 'int get(int, int)':
toll.cpp:43:18: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
43 | if(b[u]==-1||p[o][b[u]][i]==-1)
| ^~
toll.cpp:46:21: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
46 | bb[i]=p[o][b[u]][i];
| ^~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
63 ms |
34760 KB |
Output is correct |
2 |
Correct |
1 ms |
468 KB |
Output is correct |
3 |
Correct |
1 ms |
464 KB |
Output is correct |
4 |
Correct |
1 ms |
468 KB |
Output is correct |
5 |
Correct |
3 ms |
1008 KB |
Output is correct |
6 |
Correct |
3 ms |
988 KB |
Output is correct |
7 |
Correct |
3 ms |
980 KB |
Output is correct |
8 |
Correct |
59 ms |
30156 KB |
Output is correct |
9 |
Correct |
54 ms |
26240 KB |
Output is correct |
10 |
Correct |
30 ms |
18368 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
74 ms |
32716 KB |
Output is correct |
2 |
Correct |
1 ms |
468 KB |
Output is correct |
3 |
Correct |
1 ms |
468 KB |
Output is correct |
4 |
Correct |
1 ms |
468 KB |
Output is correct |
5 |
Correct |
1 ms |
460 KB |
Output is correct |
6 |
Correct |
1 ms |
468 KB |
Output is correct |
7 |
Correct |
18 ms |
1124 KB |
Output is correct |
8 |
Correct |
17 ms |
1156 KB |
Output is correct |
9 |
Correct |
52 ms |
30540 KB |
Output is correct |
10 |
Correct |
102 ms |
34952 KB |
Output is correct |
11 |
Correct |
88 ms |
35012 KB |
Output is correct |
12 |
Correct |
79 ms |
27508 KB |
Output is correct |
13 |
Correct |
92 ms |
22092 KB |
Output is correct |
14 |
Correct |
54 ms |
20760 KB |
Output is correct |
15 |
Correct |
80 ms |
20120 KB |
Output is correct |
16 |
Correct |
82 ms |
20060 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
468 KB |
Output is correct |
2 |
Correct |
1 ms |
460 KB |
Output is correct |
3 |
Correct |
1 ms |
468 KB |
Output is correct |
4 |
Correct |
1 ms |
468 KB |
Output is correct |
5 |
Correct |
1 ms |
464 KB |
Output is correct |
6 |
Correct |
1 ms |
980 KB |
Output is correct |
7 |
Correct |
2 ms |
980 KB |
Output is correct |
8 |
Correct |
4 ms |
1108 KB |
Output is correct |
9 |
Correct |
2 ms |
988 KB |
Output is correct |
10 |
Correct |
35 ms |
30600 KB |
Output is correct |
11 |
Correct |
57 ms |
34748 KB |
Output is correct |
12 |
Correct |
97 ms |
34676 KB |
Output is correct |
13 |
Correct |
107 ms |
34956 KB |
Output is correct |
14 |
Correct |
80 ms |
34312 KB |
Output is correct |
15 |
Correct |
72 ms |
20044 KB |
Output is correct |
16 |
Correct |
74 ms |
20068 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
468 KB |
Output is correct |
2 |
Correct |
1 ms |
460 KB |
Output is correct |
3 |
Correct |
1 ms |
468 KB |
Output is correct |
4 |
Correct |
1 ms |
468 KB |
Output is correct |
5 |
Correct |
1 ms |
464 KB |
Output is correct |
6 |
Correct |
1 ms |
980 KB |
Output is correct |
7 |
Correct |
2 ms |
980 KB |
Output is correct |
8 |
Correct |
4 ms |
1108 KB |
Output is correct |
9 |
Correct |
2 ms |
988 KB |
Output is correct |
10 |
Correct |
35 ms |
30600 KB |
Output is correct |
11 |
Correct |
57 ms |
34748 KB |
Output is correct |
12 |
Correct |
97 ms |
34676 KB |
Output is correct |
13 |
Correct |
107 ms |
34956 KB |
Output is correct |
14 |
Correct |
80 ms |
34312 KB |
Output is correct |
15 |
Correct |
72 ms |
20044 KB |
Output is correct |
16 |
Correct |
74 ms |
20068 KB |
Output is correct |
17 |
Correct |
91 ms |
34848 KB |
Output is correct |
18 |
Correct |
1 ms |
468 KB |
Output is correct |
19 |
Correct |
1 ms |
468 KB |
Output is correct |
20 |
Correct |
1 ms |
468 KB |
Output is correct |
21 |
Correct |
1 ms |
468 KB |
Output is correct |
22 |
Correct |
1 ms |
468 KB |
Output is correct |
23 |
Correct |
6 ms |
1092 KB |
Output is correct |
24 |
Correct |
6 ms |
1112 KB |
Output is correct |
25 |
Correct |
9 ms |
1112 KB |
Output is correct |
26 |
Correct |
7 ms |
1044 KB |
Output is correct |
27 |
Correct |
43 ms |
30524 KB |
Output is correct |
28 |
Correct |
100 ms |
34720 KB |
Output is correct |
29 |
Correct |
105 ms |
34968 KB |
Output is correct |
30 |
Correct |
82 ms |
33484 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
63 ms |
34760 KB |
Output is correct |
2 |
Correct |
1 ms |
468 KB |
Output is correct |
3 |
Correct |
1 ms |
464 KB |
Output is correct |
4 |
Correct |
1 ms |
468 KB |
Output is correct |
5 |
Correct |
3 ms |
1008 KB |
Output is correct |
6 |
Correct |
3 ms |
988 KB |
Output is correct |
7 |
Correct |
3 ms |
980 KB |
Output is correct |
8 |
Correct |
59 ms |
30156 KB |
Output is correct |
9 |
Correct |
54 ms |
26240 KB |
Output is correct |
10 |
Correct |
30 ms |
18368 KB |
Output is correct |
11 |
Correct |
74 ms |
32716 KB |
Output is correct |
12 |
Correct |
1 ms |
468 KB |
Output is correct |
13 |
Correct |
1 ms |
468 KB |
Output is correct |
14 |
Correct |
1 ms |
468 KB |
Output is correct |
15 |
Correct |
1 ms |
460 KB |
Output is correct |
16 |
Correct |
1 ms |
468 KB |
Output is correct |
17 |
Correct |
18 ms |
1124 KB |
Output is correct |
18 |
Correct |
17 ms |
1156 KB |
Output is correct |
19 |
Correct |
52 ms |
30540 KB |
Output is correct |
20 |
Correct |
102 ms |
34952 KB |
Output is correct |
21 |
Correct |
88 ms |
35012 KB |
Output is correct |
22 |
Correct |
79 ms |
27508 KB |
Output is correct |
23 |
Correct |
92 ms |
22092 KB |
Output is correct |
24 |
Correct |
54 ms |
20760 KB |
Output is correct |
25 |
Correct |
80 ms |
20120 KB |
Output is correct |
26 |
Correct |
82 ms |
20060 KB |
Output is correct |
27 |
Correct |
1 ms |
468 KB |
Output is correct |
28 |
Correct |
1 ms |
460 KB |
Output is correct |
29 |
Correct |
1 ms |
468 KB |
Output is correct |
30 |
Correct |
1 ms |
468 KB |
Output is correct |
31 |
Correct |
1 ms |
464 KB |
Output is correct |
32 |
Correct |
1 ms |
980 KB |
Output is correct |
33 |
Correct |
2 ms |
980 KB |
Output is correct |
34 |
Correct |
4 ms |
1108 KB |
Output is correct |
35 |
Correct |
2 ms |
988 KB |
Output is correct |
36 |
Correct |
35 ms |
30600 KB |
Output is correct |
37 |
Correct |
57 ms |
34748 KB |
Output is correct |
38 |
Correct |
97 ms |
34676 KB |
Output is correct |
39 |
Correct |
107 ms |
34956 KB |
Output is correct |
40 |
Correct |
80 ms |
34312 KB |
Output is correct |
41 |
Correct |
72 ms |
20044 KB |
Output is correct |
42 |
Correct |
74 ms |
20068 KB |
Output is correct |
43 |
Correct |
91 ms |
34848 KB |
Output is correct |
44 |
Correct |
1 ms |
468 KB |
Output is correct |
45 |
Correct |
1 ms |
468 KB |
Output is correct |
46 |
Correct |
1 ms |
468 KB |
Output is correct |
47 |
Correct |
1 ms |
468 KB |
Output is correct |
48 |
Correct |
1 ms |
468 KB |
Output is correct |
49 |
Correct |
6 ms |
1092 KB |
Output is correct |
50 |
Correct |
6 ms |
1112 KB |
Output is correct |
51 |
Correct |
9 ms |
1112 KB |
Output is correct |
52 |
Correct |
7 ms |
1044 KB |
Output is correct |
53 |
Correct |
43 ms |
30524 KB |
Output is correct |
54 |
Correct |
100 ms |
34720 KB |
Output is correct |
55 |
Correct |
105 ms |
34968 KB |
Output is correct |
56 |
Correct |
82 ms |
33484 KB |
Output is correct |
57 |
Correct |
140 ms |
35516 KB |
Output is correct |
58 |
Correct |
59 ms |
30540 KB |
Output is correct |
59 |
Correct |
100 ms |
34976 KB |
Output is correct |