QOJ.ac
QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#558868 | #5655. Train Splitting | ship2077 | AC ✓ | 8ms | 3996kb | C++23 | 1001b | 2024-09-11 18:59:58 | 2024-09-11 18:59:59 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
int n,m,x[55*55],y[55*55],edge[55][55];
vector<int>adj[55];
int read(){
int x=0;char ch=getchar();
while (!isdigit(ch)) ch=getchar();
while (isdigit(ch)) x=x*10+ch-48,ch=getchar();
return x;
}
void solve(){
n=read();m=read();
for (int i=1;i<=n;i++) adj[i].clear();
for (int i=1;i<=m;i++){
x[i]=read();y[i]=read();
if (x[i]>y[i]) swap(x[i],y[i]);
adj[x[i]].emplace_back(y[i]);
adj[y[i]].emplace_back(x[i]);
}
int pos=0;
for (int i=1;i<=n;i++)
for (int j=1;j<=n;j++)
edge[i][j]=1;
for (int i=1;i<=n;i++)
if (adj[i].size()<n-1)
{pos=i;break;}
if (!pos){
puts("3");edge[1][2]=2;
for (int i=3;i<=n;i++) edge[1][i]=3;
for (int i=1;i<=m;i++) printf("%d ",edge[x[i]][y[i]]);
return puts(""),void();
}
for (int i:adj[pos]) edge[pos][i]=edge[i][pos]=2;
puts("2");
for (int i=1;i<=m;i++) printf("%d ",edge[x[i]][y[i]]);
puts("");
}
int main(){int T=read();while (T--) solve(); return 0;}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3820kb
input:
2 5 9 1 2 1 3 1 4 1 5 2 3 2 4 2 5 3 4 3 5 3 3 1 2 3 1 2 3
output:
2 1 1 2 1 1 2 1 2 1 3 2 3 1
result:
ok OK (2 test cases)
Test #2:
score: 0
Accepted
time: 8ms
memory: 3996kb
input:
100 50 1225 15 33 19 23 14 8 23 26 5 46 22 8 22 13 16 10 20 12 32 16 2 5 36 43 20 33 35 8 4 11 15 43 4 26 33 1 25 36 49 6 11 2 35 11 39 20 24 7 41 2 10 9 40 49 27 17 26 11 49 39 46 27 24 44 26 34 6 27 25 22 9 46 29 43 50 43 2 37 37 10 28 5 14 5 23 28 37 40 10 45 9 26 23 29 35 47 32 21 16 11 9 50 50 ...
output:
3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
result:
ok OK (100 test cases)
Test #3:
score: 0
Accepted
time: 1ms
memory: 3824kb
input:
554 8 7 1 3 5 3 6 2 3 6 4 6 7 5 8 7 8 7 7 3 3 4 7 1 2 8 1 5 7 6 5 2 10 9 10 1 8 10 4 10 3 10 10 5 6 10 2 10 7 10 10 9 8 7 2 5 1 2 3 6 6 7 8 2 2 7 5 4 10 9 9 6 3 4 5 1 2 5 7 10 3 10 2 6 8 9 1 7 9 8 6 7 1 7 7 5 2 7 3 7 7 9 4 7 7 8 9 8 7 5 4 1 8 6 5 2 4 9 6 1 7 8 2 3 8 7 8 3 7 6 7 1 1 8 4 5 3 2 5 6 8 7...
output:
2 2 1 1 1 1 1 1 2 1 1 2 1 2 1 1 2 2 1 1 1 1 1 1 1 1 2 1 2 1 1 1 1 1 2 1 1 2 1 1 1 1 1 2 2 1 2 1 1 1 1 1 1 2 1 2 1 1 1 2 1 1 2 1 1 2 2 1 1 1 2 2 1 1 1 2 1 1 2 1 1 2 2 1 1 1 1 2 1 2 1 1 1 1 2 2 1 1 1 1 1 1 1 1 2 2 1 1 1 2 2 1 1 1 1 2 1 1 1 1 1 1 1 1 2 2 1 2 1 1 1 1 1 1 1 2 1 1 1 2 1 1 1...
result:
ok OK (554 test cases)
Test #4:
score: 0
Accepted
time: 1ms
memory: 3836kb
input:
112 42 41 7 36 24 7 7 42 7 8 15 7 20 7 10 7 7 21 27 7 7 39 40 7 23 7 7 3 7 5 7 35 7 33 7 28 16 7 1 7 7 14 41 7 29 7 12 7 11 7 37 7 25 7 13 7 6 7 7 32 9 7 7 18 4 7 7 22 19 7 34 7 7 2 30 7 31 7 17 7 7 26 7 38 46 45 39 26 23 35 29 7 21 37 27 9 35 10 12 41 40 36 10 9 36 42 41 16 4 16 32 43 13 43 29 45 4...
output:
2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 2 1 1 1 2 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...
result:
ok OK (112 test cases)
Test #5:
score: 0
Accepted
time: 1ms
memory: 3740kb
input:
740 3 2 3 2 1 3 3 3 3 1 1 2 2 3 4 3 4 1 1 2 1 3 4 4 2 1 2 3 4 2 4 3 4 3 2 3 1 3 1 4 4 5 3 1 3 2 1 2 4 1 3 4 4 4 1 4 3 4 3 2 1 2 4 6 1 4 3 4 2 4 2 3 2 1 1 3 5 4 2 3 4 2 1 2 2 5 5 5 1 2 3 5 4 5 5 1 5 2 5 6 2 3 4 1 1 2 1 5 1 3 2 4 5 4 2 1 3 4 3 5 3 1 5 5 4 3 2 5 3 2 3 5 1 2 5 7 2 1 5 4 5 3 1 3 5 1 4 1 ...
output:
2 1 2 3 3 2 1 2 1 2 1 2 2 1 1 1 2 1 2 2 2 1 2 2 1 1 2 2 1 1 2 3 3 1 1 1 2 3 2 1 1 2 1 2 2 1 1 2 1 2 2 1 2 1 1 2 2 2 1 1 2 2 1 1 1 1 2 2 2 1 1 1 1 1 2 2 1 2 1 1 1 1 1 2 1 1 1 1 1 2 2 2 2 1 2 1 2 2 1 2 1 1 2 2 2 1 2 1 2 1 1 2 2 2 1 2 1 2 2 2 2 1 1 1 1 1 1 2 2 1 1 2 1 2 2 2 1 2 1 ...
result:
ok OK (740 test cases)
Test #6:
score: 0
Accepted
time: 1ms
memory: 3764kb
input:
852 7 21 6 7 3 7 4 3 5 2 2 6 6 5 2 4 1 6 7 1 4 7 2 3 3 6 6 4 1 5 4 1 4 5 1 3 1 2 7 5 3 5 7 2 7 9 2 5 6 4 3 6 3 5 7 3 6 2 3 2 1 5 4 7 3 2 1 3 2 3 6 9 4 5 3 5 5 1 1 6 5 2 4 3 1 4 1 3 1 2 6 11 1 5 2 6 4 6 2 3 2 1 5 2 5 4 6 1 4 2 4 1 3 4 7 18 3 6 2 7 1 3 2 4 4 5 1 7 6 2 4 7 5 1 5 2 2 3 6 4 5 6 2 1 3 4 5...
output:
3 1 1 1 1 1 1 1 3 3 1 1 1 1 3 3 1 3 2 1 1 1 2 1 1 1 1 1 1 1 2 1 2 2 1 2 1 1 1 1 2 1 1 1 2 2 2 1 1 1 2 1 1 2 1 2 1 2 1 1 2 1 1 2 1 1 2 1 1 1 1 2 1 1 2 1 2 1 1 1 1 2 2 1 2 1 1 2 1 2 2 1 1 1 2 1 1 2 1 1 2 1 1 2 1 1 2 1 2 1 2 1 2 2 1 1 1 1 2 1 1 1 2 1 1 1 1 1 2 1 2 1 1 2 2 1 1 2 2 1 2 1 2 2 ...
result:
ok OK (852 test cases)
Test #7:
score: 0
Accepted
time: 0ms
memory: 3804kb
input:
629 9 10 6 4 5 3 3 2 2 7 1 4 6 7 8 5 3 9 2 6 7 3 9 14 8 1 2 4 9 2 3 1 6 8 9 7 2 3 4 6 6 3 5 9 5 8 4 1 9 8 7 5 9 12 3 1 2 1 5 9 4 9 8 4 2 6 2 4 5 3 9 8 6 7 7 4 3 9 10 10 4 8 10 4 6 5 4 1 7 4 5 3 8 9 2 8 9 4 2 3 8 13 8 2 6 8 1 2 2 7 8 7 4 6 1 5 8 1 6 7 5 3 3 1 5 2 3 8 10 15 7 9 3 8 5 1 9 5 5 4 5 3 7 4...
output:
2 1 1 1 1 2 1 1 1 1 1 2 2 1 1 2 1 1 1 1 1 1 1 2 1 1 2 2 2 1 1 1 1 1 1 1 1 1 1 2 1 1 1 2 1 1 1 1 1 1 2 1 1 2 1 1 1 2 2 1 1 2 1 1 2 1 1 2 1 1 1 1 1 1 2 1 1 1 2 1 2 1 1 1 1 1 1 2 2 1 1 2 1 1 1 1 2 2 2 1 2 1 2 1 1 1 1 1 1 1 2 1 1 1 1 1 2 1 2 1 1 1 2 1 2 1 2 1 1 2 1 2 1 2 1 1 1 1 2 2 1 1 1 1 1...
result:
ok OK (629 test cases)
Test #8:
score: 0
Accepted
time: 1ms
memory: 3768kb
input:
447 11 25 1 11 10 6 3 6 7 2 7 1 9 8 9 4 2 5 3 1 2 1 8 1 8 4 11 7 10 9 9 7 3 2 1 6 1 10 10 11 9 5 6 11 8 5 9 6 3 10 8 6 15 82 6 8 4 3 3 1 14 10 9 8 1 4 7 6 6 4 9 5 12 10 12 9 12 5 2 5 12 13 1 15 3 15 2 15 15 11 12 15 14 8 10 6 3 6 13 5 10 11 5 1 11 8 10 2 2 8 5 4 8 10 13 9 14 7 12 8 3 9 13 11 6 1 5 3...
output:
2 2 1 1 1 2 1 1 1 2 2 2 1 1 1 1 1 2 2 1 1 1 1 1 1 1 2 1 1 2 1 1 2 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 2 1 2 2 2 1 1 2 1 1 1 1 1 1 1 1 2 1 2 1 1 1 1 1 2 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 2 1 1 1 1 1 2 1 1 2 ...
result:
ok OK (447 test cases)
Test #9:
score: 0
Accepted
time: 2ms
memory: 3752kb
input:
348 14 91 1 14 4 7 5 2 14 10 5 3 5 11 6 14 8 7 8 10 6 9 9 8 9 7 13 5 6 2 10 11 10 9 11 7 14 4 7 12 3 7 1 9 10 12 4 6 14 9 12 6 6 10 1 13 10 7 4 1 14 11 4 11 10 5 6 8 11 8 12 8 2 7 8 14 3 10 4 3 1 10 11 12 2 14 12 14 4 5 5 14 7 13 8 5 13 12 9 4 1 7 7 6 7 5 5 9 1 6 8 1 2 8 13 14 12 2 1 3 13 2 10 13 3 ...
output:
3 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 1 1 1 1 1 3 1 3 1 1 1 1 1 1 1 1 1 1 3 1 1 1 1 1 1 1 1 1 3 1 1 1 3 3 1 1 1 3 1 1 1 1 1 1 1 1 1 1 3 3 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 3 1 1 1 3 1 2 1 1 1 1 1 1 1 1 1 1 3 3 1 1 1 1 1 1 1 3 1 1 1 3 1 1 3 1 1 3 3 1 1 1 2 2 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 2 1 1 ...
result:
ok OK (348 test cases)
Test #10:
score: 0
Accepted
time: 4ms
memory: 3796kb
input:
146 32 284 19 16 15 10 16 21 3 18 9 24 12 17 18 1 25 23 24 23 22 4 23 18 3 19 30 27 15 7 32 1 20 24 11 26 21 4 23 12 15 18 1 3 1 25 7 9 30 29 19 27 12 20 25 21 27 11 6 27 13 22 5 19 29 2 27 4 27 10 6 8 4 16 18 29 17 21 6 30 12 24 18 12 32 6 22 3 29 13 12 8 22 28 15 17 5 25 24 14 21 18 2 11 3 16 20 1...
output:
2 1 1 1 1 1 1 2 1 1 1 1 1 1 1 2 1 1 1 1 1 2 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 2 1 1 1 1 2 1 1 1 2 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 2 1 1 1 1 1 1 1 ...
result:
ok OK (146 test cases)
Test #11:
score: 0
Accepted
time: 1ms
memory: 3780kb
input:
146 34 49 10 8 5 28 11 1 9 18 8 32 34 31 26 7 8 23 29 17 33 31 3 9 18 14 3 29 14 33 15 30 33 28 34 2 4 31 9 7 3 28 22 34 23 31 6 30 8 2 1 10 17 34 3 32 5 25 32 2 31 29 8 14 31 28 17 13 19 25 15 32 16 31 26 21 1 24 26 2 14 15 20 9 5 24 27 34 1 3 10 30 22 14 15 31 15 33 6 12 46 58 37 33 6 41 33 12 27 ...
output:
2 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 2 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
result:
ok OK (146 test cases)
Test #12:
score: 0
Accepted
time: 3ms
memory: 3772kb
input:
145 36 156 22 15 22 19 35 25 23 22 21 2 36 17 1 24 25 17 9 24 32 22 2 4 31 32 8 22 36 12 36 24 7 18 15 19 28 21 5 30 31 13 10 28 32 19 9 30 19 27 15 24 21 35 2 16 14 16 21 15 6 35 25 8 33 4 3 8 14 32 28 16 18 15 30 26 30 34 23 2 17 20 23 24 34 36 34 8 24 10 31 28 8 24 28 30 18 26 23 13 29 16 31 8 28...
output:
2 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...
result:
ok OK (145 test cases)
Test #13:
score: 0
Accepted
time: 6ms
memory: 3844kb
input:
149 15 105 4 1 10 15 4 7 6 5 2 10 7 9 1 11 10 14 14 12 6 3 9 12 1 6 14 13 5 9 10 1 15 8 4 3 12 4 6 4 9 15 8 1 13 1 15 7 14 3 12 2 10 6 15 2 6 15 12 8 15 13 11 7 14 2 10 9 12 15 5 1 6 7 7 8 13 10 9 11 11 5 3 1 4 15 3 2 5 3 15 1 15 11 7 1 10 11 12 10 11 12 6 11 11 8 4 8 3 7 11 4 4 2 2 5 15 5 6 14 3 12...
output:
3 3 1 1 1 1 1 3 1 1 1 1 3 1 1 3 1 1 1 1 1 3 3 1 1 1 1 1 1 1 1 1 1 1 1 3 1 1 1 1 1 3 1 1 1 3 1 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 1 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 3 1 1 1 1 1 1 1 1 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...
result:
ok OK (149 test cases)