Submission #1354598


Source Code Expand

#include<cstdio>
const int maxn=100005;
struct edge{
  int to,next;
}lst[maxn];int len=1,first[maxn];
void addedge(int a,int b){
  lst[len].to=b;lst[len].next=first[a];first[a]=len++;
}
int a[maxn];
int deg[maxn],depth[maxn];
void dfs(int x){
  for(int pt=first[x];pt;pt=lst[pt].next){
    depth[lst[pt].to]=depth[x]+1;dfs(lst[pt].to);
  }
}
int main(){
  int ans=0;
  int n,k;scanf("%d%d",&n,&k);
  for(int i=1;i<=n;++i){
    scanf("%d",a+i);
  }
  if(a[1]!=1)ans++;
  for(int i=2;i<=n;++i){
    addedge(a[i],i);deg[a[i]]++;
  }
  depth[1]=0;
  dfs(1);
  for(int i=2;i<=n;++i){
    if(depth[i]%k==0)ans+=deg[i];
  }
  printf("%d\n",ans);
  return 0;
}

Submission Info

Submission Time
Task D - Teleporter
User liu_runda
Language C++14 (GCC 5.4.1)
Score 0
Code Size 686 Byte
Status WA
Exec Time 17 ms
Memory 5632 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:18:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   int n,k;scanf("%d%d",&n,&k);
                              ^
./Main.cpp:20:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",a+i);
                    ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 800
Status
AC × 3
AC × 40
WA × 18
Set Name Test Cases
Sample 0_00.txt, 0_01.txt, 0_02.txt
All 0_00.txt, 0_01.txt, 0_02.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt, 1_29.txt, 1_30.txt, 1_31.txt, 1_32.txt, 1_33.txt, 1_34.txt, 1_35.txt, 1_36.txt, 1_37.txt, 1_38.txt, 1_39.txt, 1_40.txt, 1_41.txt, 1_42.txt, 1_43.txt, 1_44.txt, 1_45.txt, 1_46.txt, 1_47.txt, 1_48.txt, 1_49.txt, 1_50.txt, 1_51.txt, 1_52.txt, 1_53.txt, 1_54.txt
Case Name Status Exec Time Memory
0_00.txt AC 1 ms 128 KB
0_01.txt AC 1 ms 128 KB
0_02.txt AC 1 ms 128 KB
1_00.txt AC 1 ms 128 KB
1_01.txt AC 1 ms 128 KB
1_02.txt AC 16 ms 5632 KB
1_03.txt AC 17 ms 5632 KB
1_04.txt AC 17 ms 5632 KB
1_05.txt AC 16 ms 5632 KB
1_06.txt AC 16 ms 5632 KB
1_07.txt AC 16 ms 5632 KB
1_08.txt AC 16 ms 5632 KB
1_09.txt AC 16 ms 5632 KB
1_10.txt AC 15 ms 4096 KB
1_11.txt AC 16 ms 4096 KB
1_12.txt AC 16 ms 4096 KB
1_13.txt AC 14 ms 2560 KB
1_14.txt AC 15 ms 2560 KB
1_15.txt AC 15 ms 2560 KB
1_16.txt AC 11 ms 2560 KB
1_17.txt AC 12 ms 2560 KB
1_18.txt AC 11 ms 2560 KB
1_19.txt AC 9 ms 1792 KB
1_20.txt AC 9 ms 1792 KB
1_21.txt AC 9 ms 1792 KB
1_22.txt AC 13 ms 2560 KB
1_23.txt WA 13 ms 2560 KB
1_24.txt WA 13 ms 2560 KB
1_25.txt AC 13 ms 2560 KB
1_26.txt WA 13 ms 2560 KB
1_27.txt WA 13 ms 2560 KB
1_28.txt AC 13 ms 2432 KB
1_29.txt WA 13 ms 2432 KB
1_30.txt AC 13 ms 2432 KB
1_31.txt WA 14 ms 2560 KB
1_32.txt AC 14 ms 2560 KB
1_33.txt AC 14 ms 2560 KB
1_34.txt AC 14 ms 2560 KB
1_35.txt WA 15 ms 2560 KB
1_36.txt AC 15 ms 2560 KB
1_37.txt AC 15 ms 2560 KB
1_38.txt AC 15 ms 2560 KB
1_39.txt WA 15 ms 2560 KB
1_40.txt WA 15 ms 2560 KB
1_41.txt AC 15 ms 2560 KB
1_42.txt AC 15 ms 2560 KB
1_43.txt WA 15 ms 2688 KB
1_44.txt WA 15 ms 2688 KB
1_45.txt WA 15 ms 2688 KB
1_46.txt AC 15 ms 2688 KB
1_47.txt WA 16 ms 3328 KB
1_48.txt WA 15 ms 3328 KB
1_49.txt WA 15 ms 3328 KB
1_50.txt AC 15 ms 3328 KB
1_51.txt WA 16 ms 5120 KB
1_52.txt WA 16 ms 5120 KB
1_53.txt WA 16 ms 5120 KB
1_54.txt AC 16 ms 5120 KB