QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#447724 | #8056. Travel 2 | liqingyang | AC ✓ | 131ms | 3884kb | C++14 | 1.5kb | 2024-06-18 19:05:09 | 2024-06-18 19:05:10 |
Judging History
answer
#include<iostream>
#include<cstring>
#include<vector>
using namespace std;
int T,last,d[2510],p[2510];
vector<int> e[2510];
inline bool bfs(int S)
{
if(p[S]<d[S])
{
last=S;
cout<<"> "<<p[S]+1<<endl;
return 1;
}
static int q[2510];
static pair<int,int> f[2510];
memset(f,-1,sizeof(f));
int l=1,r=0;
f[q[++r]=S]={0,0};
while(l<=r)
{
int now=q[l++];
for(int i=0;i<p[now];i++)
{
int t=e[now][i];
if(f[t].first>=0)
{
continue;
}
if(p[t]<d[t])
{
vector<int> v;
v.emplace_back(i);
while(now!=S)
{
v.emplace_back(f[now].second);
now=f[now].first;
}
for(int i=v.size()-1,x,y;i>=0;i--)
{
cout<<"> "<<v[i]+1<<endl;
cin>>x>>y;
}
cout<<"> "<<p[last=t]+1<<endl;
return 1;
}
f[q[++r]=t]={now,i};
}
}
return 0;
}
int main()
{
ios::sync_with_stdio(false);
cin.tie(0);
cin>>T;
while(T--)
{
memset(d,0,sizeof(d)),last=0;
while(1)
{
int now,D;
cin>>now>>D;
if(!d[now])
{
d[now]=D,p[now]=0;
e[now].resize(D);
for(int i=0;i<D;i++)
{
e[now][i]=0;
}
}
if(last)
{
e[last][p[last]++]=now;
}
if(!bfs(now))
{
break;
}
}
cout<<"! ";
for(int i=1;d[i];i++)
{
for(int j=0;j<d[i];j++)
{
int t=e[i][j];
if(t<i)
{
continue;
}
cout<<i<<" "<<t<<" ";
}
}
cout<<endl;
string s;
cin>>s;
if(s=="Wrong")
{
while(1);
}
}
return 0;
}
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 0ms
memory: 3704kb
input:
2 1 1 2 1 1 1 Correct 1 3 2 2 1 3 3 1 1 3 4 2 1 3 2 2 4 2 2 2 Correct
output:
> 1 > 1 ! 1 2 > 1 > 1 > 2 > 1 > 3 > 1 > 1 > 2 > 2 ! 1 2 1 3 1 4 2 4
result:
ok correct! (2 test cases)
Test #2:
score: 0
Accepted
time: 80ms
memory: 3636kb
input:
1000 1 9 2 7 1 9 3 9 1 9 4 9 1 9 5 8 1 9 6 9 1 9 7 7 1 9 8 8 1 9 9 8 1 9 10 6 1 9 2 7 3 9 4 9 3 9 9 8 3 9 2 7 10 6 2 7 6 9 2 7 5 8 8 8 5 8 9 8 5 8 2 7 9 8 2 7 4 9 7 7 4 9 10 6 8 8 10 6 4 9 8 8 9 8 8 8 7 7 8 8 3 9 5 8 3 9 10 6 6 9 10 6 3 9 8 8 6 9 5 8 6 9 8 8 4 9 5 8 7 7 5 8 4 9 2 7 3 9 7 7 3 9 6 9 3...
output:
> 1 > 1 > 2 > 1 > 3 > 1 > 4 > 1 > 5 > 1 > 6 > 1 > 7 > 1 > 8 > 1 > 9 > 1 > 1 > 2 > 2 > 2 > 3 > 2 > 4 > 3 > 2 > 4 > 2 > 5 > 2 > 2 > 3 > 3 > 4 > 6 > 4 > 7 > 3 > 2 > 4 > 3 > 3 > 4 > 5 > 4 > 5 > 5 > 3 > 6 > 5 > 5 > 6 > 5 > 3 > 6 > 7 > 7 > 4 > 6 > 5 > 8 > 6 > 7 > 4 > 8 > 7 > 2 > 8 > 5 > 9 > 6 > 2 > 8 > 7 ...
result:
ok correct! (1000 test cases)
Test #3:
score: 0
Accepted
time: 94ms
memory: 3636kb
input:
500 1 19 2 8 1 19 3 7 1 19 4 8 1 19 5 7 1 19 6 7 1 19 7 11 1 19 8 4 1 19 9 7 1 19 10 9 1 19 11 8 1 19 12 7 1 19 13 4 1 19 14 9 1 19 15 8 1 19 16 7 1 19 17 10 1 19 18 7 1 19 19 7 1 19 20 6 1 19 2 8 17 10 2 8 3 7 20 6 3 7 11 8 3 7 4 8 3 7 2 8 14 9 19 7 14 9 17 10 6 7 5 7 7 11 5 7 6 7 17 10 14 9 6 7 11...
output:
> 1 > 1 > 2 > 1 > 3 > 1 > 4 > 1 > 5 > 1 > 6 > 1 > 7 > 1 > 8 > 1 > 9 > 1 > 10 > 1 > 11 > 1 > 12 > 1 > 13 > 1 > 14 > 1 > 15 > 1 > 16 > 1 > 17 > 1 > 18 > 1 > 19 > 1 > 1 > 2 > 2 > 3 > 2 > 2 > 3 > 2 > 4 > 2 > 5 > 4 > 2 > 2 > 3 > 3 > 2 > 2 > 2 > 3 > 3 > 4 > 4 > 4 > 3 > 2 > 4 > 2 > 2 > 3 > 5 > 3 > 2 > 4 > ...
result:
ok correct! (500 test cases)
Test #4:
score: 0
Accepted
time: 131ms
memory: 3712kb
input:
100 1 99 2 5 1 99 3 5 1 99 4 10 1 99 5 3 1 99 6 9 1 99 7 6 1 99 8 8 1 99 9 9 1 99 10 5 1 99 11 4 1 99 12 7 1 99 13 6 1 99 14 8 1 99 15 7 1 99 16 7 1 99 17 7 1 99 18 6 1 99 19 10 1 99 20 4 1 99 21 4 1 99 22 5 1 99 23 6 1 99 24 10 1 99 25 4 1 99 26 10 1 99 27 7 1 99 28 6 1 99 29 11 1 99 30 5 1 99 31 7...
output:
> 1 > 1 > 2 > 1 > 3 > 1 > 4 > 1 > 5 > 1 > 6 > 1 > 7 > 1 > 8 > 1 > 9 > 1 > 10 > 1 > 11 > 1 > 12 > 1 > 13 > 1 > 14 > 1 > 15 > 1 > 16 > 1 > 17 > 1 > 18 > 1 > 19 > 1 > 20 > 1 > 21 > 1 > 22 > 1 > 23 > 1 > 24 > 1 > 25 > 1 > 26 > 1 > 27 > 1 > 28 > 1 > 29 > 1 > 30 > 1 > 31 > 1 > 32 > 1 > 33 > 1 > 34 > 1 > 3...
result:
ok correct! (100 test cases)
Test #5:
score: 0
Accepted
time: 105ms
memory: 3724kb
input:
10 1 999 2 8 1 999 3 9 1 999 4 8 1 999 5 7 1 999 6 7 1 999 7 4 1 999 8 4 1 999 9 13 1 999 10 11 1 999 11 7 1 999 12 7 1 999 13 5 1 999 14 5 1 999 15 8 1 999 16 9 1 999 17 5 1 999 18 5 1 999 19 8 1 999 20 4 1 999 21 8 1 999 22 8 1 999 23 6 1 999 24 8 1 999 25 2 1 999 26 9 1 999 27 5 1 999 28 6 1 999 ...
output:
> 1 > 1 > 2 > 1 > 3 > 1 > 4 > 1 > 5 > 1 > 6 > 1 > 7 > 1 > 8 > 1 > 9 > 1 > 10 > 1 > 11 > 1 > 12 > 1 > 13 > 1 > 14 > 1 > 15 > 1 > 16 > 1 > 17 > 1 > 18 > 1 > 19 > 1 > 20 > 1 > 21 > 1 > 22 > 1 > 23 > 1 > 24 > 1 > 25 > 1 > 26 > 1 > 27 > 1 > 28 > 1 > 29 > 1 > 30 > 1 > 31 > 1 > 32 > 1 > 33 > 1 > 34 > 1 > 3...
result:
ok correct! (10 test cases)
Test #6:
score: 0
Accepted
time: 67ms
memory: 3884kb
input:
4 1 999 2 24 1 999 3 20 1 999 4 17 1 999 5 29 1 999 6 21 1 999 7 21 1 999 8 19 1 999 9 21 1 999 10 14 1 999 11 12 1 999 12 17 1 999 13 23 1 999 14 23 1 999 15 16 1 999 16 14 1 999 17 16 1 999 18 15 1 999 19 16 1 999 20 19 1 999 21 16 1 999 22 16 1 999 23 25 1 999 24 23 1 999 25 22 1 999 26 16 1 999 ...
output:
> 1 > 1 > 2 > 1 > 3 > 1 > 4 > 1 > 5 > 1 > 6 > 1 > 7 > 1 > 8 > 1 > 9 > 1 > 10 > 1 > 11 > 1 > 12 > 1 > 13 > 1 > 14 > 1 > 15 > 1 > 16 > 1 > 17 > 1 > 18 > 1 > 19 > 1 > 20 > 1 > 21 > 1 > 22 > 1 > 23 > 1 > 24 > 1 > 25 > 1 > 26 > 1 > 27 > 1 > 28 > 1 > 29 > 1 > 30 > 1 > 31 > 1 > 32 > 1 > 33 > 1 > 34 > 1 > 3...
result:
ok correct! (4 test cases)
Test #7:
score: 0
Accepted
time: 93ms
memory: 3880kb
input:
4 1 199 2 106 1 199 3 95 1 199 4 102 1 199 5 103 1 199 6 103 1 199 7 110 1 199 8 109 1 199 9 104 1 199 10 98 1 199 11 85 1 199 12 94 1 199 13 86 1 199 14 105 1 199 15 102 1 199 16 96 1 199 17 97 1 199 18 94 1 199 19 112 1 199 20 108 1 199 21 116 1 199 22 109 1 199 23 104 1 199 24 96 1 199 25 92 1 19...
output:
> 1 > 1 > 2 > 1 > 3 > 1 > 4 > 1 > 5 > 1 > 6 > 1 > 7 > 1 > 8 > 1 > 9 > 1 > 10 > 1 > 11 > 1 > 12 > 1 > 13 > 1 > 14 > 1 > 15 > 1 > 16 > 1 > 17 > 1 > 18 > 1 > 19 > 1 > 20 > 1 > 21 > 1 > 22 > 1 > 23 > 1 > 24 > 1 > 25 > 1 > 26 > 1 > 27 > 1 > 28 > 1 > 29 > 1 > 30 > 1 > 31 > 1 > 32 > 1 > 33 > 1 > 34 > 1 > 3...
result:
ok correct! (4 test cases)
Test #8:
score: 0
Accepted
time: 74ms
memory: 3816kb
input:
4 1 140 2 140 1 140 3 140 1 140 4 140 1 140 5 140 1 140 6 140 1 140 7 140 1 140 8 140 1 140 9 140 1 140 10 140 1 140 11 140 1 140 12 140 1 140 13 140 1 140 14 140 1 140 15 140 1 140 16 140 1 140 17 140 1 140 18 140 1 140 19 140 1 140 20 140 1 140 21 140 1 140 22 140 1 140 23 140 1 140 24 140 1 140 2...
output:
> 1 > 1 > 2 > 1 > 3 > 1 > 4 > 1 > 5 > 1 > 6 > 1 > 7 > 1 > 8 > 1 > 9 > 1 > 10 > 1 > 11 > 1 > 12 > 1 > 13 > 1 > 14 > 1 > 15 > 1 > 16 > 1 > 17 > 1 > 18 > 1 > 19 > 1 > 20 > 1 > 21 > 1 > 22 > 1 > 23 > 1 > 24 > 1 > 25 > 1 > 26 > 1 > 27 > 1 > 28 > 1 > 29 > 1 > 30 > 1 > 31 > 1 > 32 > 1 > 33 > 1 > 34 > 1 > 3...
result:
ok correct! (4 test cases)
Test #9:
score: 0
Accepted
time: 39ms
memory: 3768kb
input:
4 1 2498 2 2 1 2498 3 2 1 2498 4 2 1 2498 5 2 1 2498 6 2 1 2498 7 2 1 2498 8 2 1 2498 9 2 1 2498 10 2 1 2498 11 2 1 2498 12 2 1 2498 13 2 1 2498 14 2 1 2498 15 2 1 2498 16 2 1 2498 17 2 1 2498 18 2 1 2498 19 2 1 2498 20 2 1 2498 21 2 1 2498 22 2 1 2498 23 2 1 2498 24 2 1 2498 25 2 1 2498 26 2 1 2498...
output:
> 1 > 1 > 2 > 1 > 3 > 1 > 4 > 1 > 5 > 1 > 6 > 1 > 7 > 1 > 8 > 1 > 9 > 1 > 10 > 1 > 11 > 1 > 12 > 1 > 13 > 1 > 14 > 1 > 15 > 1 > 16 > 1 > 17 > 1 > 18 > 1 > 19 > 1 > 20 > 1 > 21 > 1 > 22 > 1 > 23 > 1 > 24 > 1 > 25 > 1 > 26 > 1 > 27 > 1 > 28 > 1 > 29 > 1 > 30 > 1 > 31 > 1 > 32 > 1 > 33 > 1 > 34 > 1 > 3...
result:
ok correct! (4 test cases)
Extra Test:
score: 0
Extra Test Passed