Submission #1693047
Source Code Expand
#include<cstdio> #include<cstring> #include<algorithm> #define N 3010 using namespace std; struct edge{int x, y, next;}a[N]; int n, w[N], l, p[N], x, y, d[N], du[N], op, cl, f[N]; inline void add(int x, int y){a[++l].x=x; a[l].y=y; a[l].next=p[x]; p[x]=l;} int main(){ scanf("%d", &n); for(int i=1; i<=n; i++)scanf("%d", &w[i]); l=0; memset(p, 0, sizeof(p)); memset(du, 0, sizeof(du)); for(int i=1; i<=n-1; i++){ scanf("%d%d", &x, &y); if(w[x]<w[y]){add(y, x); du[x]++;} if(w[x]>w[y]){add(x, y); du[y]++;} } op=cl=0; for(int i=1; i<=n; i++)if(!du[i])d[++cl]=i; while(op<cl){ op++; x=d[op]; for(int i=p[x]; i; i=a[i].next){ du[a[i].y]--; if(!du[a[i].y])d[++cl]=a[i].y; } } for(int i=cl; i; i--){ x=d[i]; f[x]=0; for(int j=p[x]; j; j=a[j].next)if(!f[a[j].y])f[x]=1; } for(int i=1; i<=n; i++)if(f[i])printf("%d ", i); return 0; }
Submission Info
Submission Time | |
---|---|
Task | F - Tree Game |
User | leoly |
Language | C++14 (GCC 5.4.1) |
Score | 1600 |
Code Size | 895 Byte |
Status | AC |
Exec Time | 2 ms |
Memory | 256 KB |
Compile Error
./Main.cpp: In function ‘int main()’: ./Main.cpp:13:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ ./Main.cpp:14:43: 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", &w[i]); ^ ./Main.cpp:17:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &x, &y); ^
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 1600 / 1600 | ||||
Status |
|
|
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 | 256 KB |
in10.txt | AC | 2 ms | 256 KB |
in11.txt | AC | 2 ms | 256 KB |
in12.txt | AC | 1 ms | 256 KB |
in13.txt | AC | 1 ms | 256 KB |
in14.txt | AC | 2 ms | 256 KB |
in15.txt | AC | 2 ms | 256 KB |
in16.txt | AC | 2 ms | 256 KB |
in17.txt | AC | 2 ms | 256 KB |
in18.txt | AC | 2 ms | 256 KB |
in19.txt | AC | 2 ms | 256 KB |
in2.txt | AC | 2 ms | 256 KB |
in20.txt | AC | 2 ms | 256 KB |
in21.txt | AC | 2 ms | 256 KB |
in22.txt | AC | 2 ms | 256 KB |
in23.txt | AC | 2 ms | 256 KB |
in24.txt | AC | 2 ms | 256 KB |
in25.txt | AC | 2 ms | 256 KB |
in26.txt | AC | 2 ms | 256 KB |
in27.txt | AC | 2 ms | 256 KB |
in28.txt | AC | 2 ms | 256 KB |
in29.txt | AC | 2 ms | 256 KB |
in3.txt | AC | 2 ms | 256 KB |
in30.txt | AC | 2 ms | 256 KB |
in31.txt | AC | 1 ms | 256 KB |
in32.txt | AC | 1 ms | 256 KB |
in33.txt | AC | 1 ms | 256 KB |
in34.txt | AC | 1 ms | 256 KB |
in35.txt | AC | 1 ms | 256 KB |
in36.txt | AC | 1 ms | 256 KB |
in37.txt | AC | 1 ms | 128 KB |
in38.txt | AC | 1 ms | 128 KB |
in39.txt | AC | 1 ms | 128 KB |
in4.txt | AC | 2 ms | 256 KB |
in40.txt | AC | 1 ms | 256 KB |
in41.txt | AC | 1 ms | 256 KB |
in42.txt | AC | 1 ms | 256 KB |
in43.txt | AC | 1 ms | 256 KB |
in44.txt | AC | 1 ms | 256 KB |
in45.txt | AC | 1 ms | 256 KB |
in46.txt | AC | 1 ms | 256 KB |
in47.txt | AC | 1 ms | 256 KB |
in48.txt | AC | 1 ms | 256 KB |
in49.txt | AC | 1 ms | 256 KB |
in5.txt | AC | 1 ms | 256 KB |
in50.txt | AC | 1 ms | 256 KB |
in6.txt | AC | 2 ms | 256 KB |
in7.txt | AC | 2 ms | 256 KB |
in8.txt | AC | 2 ms | 256 KB |
in9.txt | AC | 2 ms | 256 KB |
sample1.txt | AC | 1 ms | 128 KB |
sample2.txt | AC | 1 ms | 256 KB |
sample3.txt | AC | 1 ms | 128 KB |