Submission #1689746
Source Code Expand
#include<bits/stdc++.h>
#define N 100005
using namespace std;
struct edge{
int t,next;
}e[N*2];int ecnt,head[N];
void addedge(int f,int t){
e[++ecnt]=(edge){t,head[f]};head[f]=ecnt;
e[++ecnt]=(edge){f,head[t]};head[t]=ecnt;
}
int n,k,val[N];
priority_queue<pair<int,int> > pq;//ʵ¼ÊÉÏʹÓöÓÁо͹»ÁË
int main(){
memset(val,0x3f,sizeof(val));
scanf("%d",&n);
for(int i=1,f,t;i<n;i++)
scanf("%d%d",&f,&t),addedge(f,t);
scanf("%d",&k);
for(int i=1,v,p;i<=k;i++){
scanf("%d%d",&v,&p);
val[v]=p;
pq.push(make_pair(p,v));
}
bool flag=true;
while(!pq.empty()){
int u=pq.top().second;pq.pop();
for(int i=head[u];i;i=e[i].next){
if(val[e[i].t]==0x3f3f3f3f){
val[e[i].t]=val[u]-1;
pq.push(make_pair(val[u]-1,e[i].t));
}else if(abs(val[e[i].t]-val[u])!=1) flag=false;
}
}
if(!flag) puts("No");
else{
puts("Yes");
for(int i=1;i<=n;i++) printf("%d\n",val[i]);
}
return 0;
}
Submission Info
Submission Time |
|
Task |
E - Integers on a Tree |
User |
Wuvin |
Language |
C++14 (GCC 5.4.1) |
Score |
800 |
Code Size |
968 Byte |
Status |
AC |
Exec Time |
65 ms |
Memory |
4212 KB |
Compile Error
./Main.cpp: In function ‘int main()’:
./Main.cpp:15:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&n);
^
./Main.cpp:17:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d",&f,&t),addedge(f,t);
^
./Main.cpp:18:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&k);
^
./Main.cpp:20:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d",&v,&p);
^
Judge Result
Set Name |
sample |
All |
Score / Max Score |
0 / 0 |
800 / 800 |
Status |
|
|
Set Name |
Test Cases |
sample |
sample_01.txt, sample_02.txt, sample_03.txt |
All |
binary_01.txt, binary_02.txt, hand_01.txt, hand_02.txt, hand_03.txt, kary_01.txt, kary_02.txt, kary_03.txt, line_01.txt, line_02.txt, line_03.txt, line_04.txt, line_05.txt, line_06.txt, random0_01.txt, random1_01.txt, random1_02.txt, random1_03.txt, random1_04.txt, random1_05.txt, random1_06.txt, random1_07.txt, random1_08.txt, random2_01.txt, random2_02.txt, random2_03.txt, random2_04.txt, random2_05.txt, random2_06.txt, random3_01.txt, random3_02.txt, random4_01.txt, random4_02.txt, random4_03.txt, sample_01.txt, sample_02.txt, sample_03.txt, star_01.txt, star_02.txt |
Case Name |
Status |
Exec Time |
Memory |
binary_01.txt |
AC |
48 ms |
3704 KB |
binary_02.txt |
AC |
26 ms |
2688 KB |
hand_01.txt |
AC |
1 ms |
640 KB |
hand_02.txt |
AC |
1 ms |
640 KB |
hand_03.txt |
AC |
1 ms |
640 KB |
kary_01.txt |
AC |
29 ms |
2944 KB |
kary_02.txt |
AC |
37 ms |
3580 KB |
kary_03.txt |
AC |
29 ms |
3196 KB |
line_01.txt |
AC |
33 ms |
2944 KB |
line_02.txt |
AC |
31 ms |
3200 KB |
line_03.txt |
AC |
31 ms |
3200 KB |
line_04.txt |
AC |
45 ms |
3580 KB |
line_05.txt |
AC |
22 ms |
2560 KB |
line_06.txt |
AC |
37 ms |
2944 KB |
random0_01.txt |
AC |
45 ms |
3196 KB |
random1_01.txt |
AC |
42 ms |
3328 KB |
random1_02.txt |
AC |
44 ms |
3328 KB |
random1_03.txt |
AC |
46 ms |
3456 KB |
random1_04.txt |
AC |
58 ms |
3832 KB |
random1_05.txt |
AC |
40 ms |
3328 KB |
random1_06.txt |
AC |
40 ms |
3328 KB |
random1_07.txt |
AC |
44 ms |
3328 KB |
random1_08.txt |
AC |
65 ms |
4212 KB |
random2_01.txt |
AC |
32 ms |
2688 KB |
random2_02.txt |
AC |
32 ms |
2560 KB |
random2_03.txt |
AC |
33 ms |
2688 KB |
random2_04.txt |
AC |
36 ms |
2688 KB |
random2_05.txt |
AC |
47 ms |
3196 KB |
random2_06.txt |
AC |
55 ms |
3704 KB |
random3_01.txt |
AC |
32 ms |
2688 KB |
random3_02.txt |
AC |
47 ms |
3196 KB |
random4_01.txt |
AC |
40 ms |
3328 KB |
random4_02.txt |
AC |
40 ms |
3328 KB |
random4_03.txt |
AC |
41 ms |
3328 KB |
sample_01.txt |
AC |
2 ms |
640 KB |
sample_02.txt |
AC |
2 ms |
640 KB |
sample_03.txt |
AC |
2 ms |
640 KB |
star_01.txt |
AC |
47 ms |
3956 KB |
star_02.txt |
AC |
39 ms |
3704 KB |