Submission #1678455
Source Code Expand
#include<iostream> #include<cstdio> #include<cstring> #include<algorithm> #define x first #define y second namespace lsr_faster { typedef std::pair<int,int> pii; const int N=3010,M=N*2; pii s[N]; int begin[N],next[M],to[M]; int A[N],ans[N]; int n,e,tot; void add(int x,int y,bool k=1) { to[++e]=y; next[e]=begin[x]; begin[x]=e; if(k)add(y,x,0); } void initialize() { scanf("%d",&n); for(int i=1;i<=n;i++)scanf("%d",A+i),s[i]=pii(A[i],i); for(int i=1,u,v;i<n;i++)scanf("%d%d",&u,&v),add(u,v); std::sort(s+1,s+n+1); } bool f[N]; bool check(int p,int h=0) { for(int i=begin[p],q;i;i=next[i]) if((q=to[i])!=h) { if(A[q]>=A[p])continue; if(!f[q])return f[p]=1; } return f[p]=0; } void solve() { initialize(); tot=0; for(int i=1;i<=n;i++) if(check(s[i].y))ans[++tot]=s[i].y; std::sort(ans+1,ans+tot+1); for(int i=1;i<=tot;i++) printf("%d ",ans[i]); printf("\n"); } } int main() { lsr_faster::solve(); return 0; }
Submission Info
Submission Time | |
---|---|
Task | F - Tree Game |
User | Demerzel_IV |
Language | C++14 (GCC 5.4.1) |
Score | 1600 |
Code Size | 1043 Byte |
Status | AC |
Exec Time | 2 ms |
Memory | 384 KB |
Compile Error
./Main.cpp: In function ‘void lsr_faster::initialize()’: ./Main.cpp:25:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ ./Main.cpp:26:56: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(int i=1;i<=n;i++)scanf("%d",A+i),s[i]=pii(A[i],i); ^ ./Main.cpp:27:55: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] for(int i=1,u,v;i<n;i++)scanf("%d%d",&u,&v),add(u,v); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1600 / 1600 | ||||
Status |
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Set Name | Test Cases |
---|---|
Sample | sample1.txt, sample2.txt, sample3.txt |
All | sample1.txt, sample2.txt, sample3.txt, in1.txt, in10.txt, in11.txt, in12.txt, in13.txt, in14.txt, in15.txt, in16.txt, in17.txt, in18.txt, in19.txt, in2.txt, in20.txt, in21.txt, in22.txt, in23.txt, in24.txt, in25.txt, in26.txt, in27.txt, in28.txt, in29.txt, in3.txt, in30.txt, in31.txt, in32.txt, in33.txt, in34.txt, in35.txt, in36.txt, in37.txt, in38.txt, in39.txt, in4.txt, in40.txt, in41.txt, in42.txt, in43.txt, in44.txt, in45.txt, in46.txt, in47.txt, in48.txt, in49.txt, in5.txt, in50.txt, in6.txt, in7.txt, in8.txt, in9.txt, sample1.txt, sample2.txt, sample3.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
in1.txt | AC | 2 ms | 384 KB |
in10.txt | AC | 2 ms | 384 KB |
in11.txt | AC | 2 ms | 384 KB |
in12.txt | AC | 2 ms | 256 KB |
in13.txt | AC | 2 ms | 256 KB |
in14.txt | AC | 2 ms | 384 KB |
in15.txt | AC | 2 ms | 384 KB |
in16.txt | AC | 2 ms | 384 KB |
in17.txt | AC | 2 ms | 384 KB |
in18.txt | AC | 2 ms | 384 KB |
in19.txt | AC | 2 ms | 384 KB |
in2.txt | AC | 2 ms | 384 KB |
in20.txt | AC | 2 ms | 384 KB |
in21.txt | AC | 2 ms | 384 KB |
in22.txt | AC | 2 ms | 384 KB |
in23.txt | AC | 2 ms | 384 KB |
in24.txt | AC | 2 ms | 384 KB |
in25.txt | AC | 2 ms | 384 KB |
in26.txt | AC | 2 ms | 384 KB |
in27.txt | AC | 2 ms | 384 KB |
in28.txt | AC | 2 ms | 384 KB |
in29.txt | AC | 2 ms | 384 KB |
in3.txt | AC | 2 ms | 384 KB |
in30.txt | AC | 2 ms | 384 KB |
in31.txt | AC | 2 ms | 384 KB |
in32.txt | AC | 2 ms | 384 KB |
in33.txt | AC | 2 ms | 384 KB |
in34.txt | AC | 2 ms | 384 KB |
in35.txt | AC | 2 ms | 384 KB |
in36.txt | AC | 1 ms | 256 KB |
in37.txt | AC | 1 ms | 256 KB |
in38.txt | AC | 1 ms | 256 KB |
in39.txt | AC | 1 ms | 256 KB |
in4.txt | AC | 2 ms | 384 KB |
in40.txt | AC | 2 ms | 384 KB |
in41.txt | AC | 2 ms | 384 KB |
in42.txt | AC | 2 ms | 384 KB |
in43.txt | AC | 2 ms | 384 KB |
in44.txt | AC | 2 ms | 384 KB |
in45.txt | AC | 2 ms | 384 KB |
in46.txt | AC | 2 ms | 384 KB |
in47.txt | AC | 2 ms | 384 KB |
in48.txt | AC | 2 ms | 384 KB |
in49.txt | AC | 2 ms | 384 KB |
in5.txt | AC | 2 ms | 384 KB |
in50.txt | AC | 2 ms | 384 KB |
in6.txt | AC | 2 ms | 384 KB |
in7.txt | AC | 2 ms | 384 KB |
in8.txt | AC | 2 ms | 384 KB |
in9.txt | AC | 2 ms | 384 KB |
sample1.txt | AC | 1 ms | 256 KB |
sample2.txt | AC | 1 ms | 256 KB |
sample3.txt | AC | 1 ms | 256 KB |