Submission #3608530


Source Code Expand

#include <cstdio>

int main(){
  int cnt[100002] = {};
  int N;
  scanf("%d",&N);
  int a;
  for(int i = 0;i < N;i++){
    scanf("%d",&a);
    cnt[a]++;
  }
  int long long ans = N/2;
  ans *= N / 2;
  bool flag  = false;
  for(int i = 1;i < N;i++){
    if(cnt[a] && 0x01 == 1){
      flag = true;
    }
  }
  if(flag){
    puts("0");
  }
  else{
    printf("%lld\n",ans);
  }
  return 0;
}

Submission Info

Submission Time
Task C - Lining Up
User noob0828
Language C++14 (GCC 5.4.1)
Score 0
Code Size 418 Byte
Status WA
Exec Time 10 ms
Memory 512 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:6:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",&N);
                 ^
./Main.cpp:9:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&a);
                   ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 300
Status
AC × 1
WA × 2
AC × 7
WA × 7
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All sample_01.txt, sample_02.txt, sample_03.txt, subtask_1_invalid_01.txt, subtask_1_invalid_02.txt, subtask_1_max_01.txt, subtask_1_max_02.txt, subtask_1_max_valid_01.txt, subtask_1_max_valid_02.txt, subtask_1_min_valid_01.txt, subtask_1_rand_01.txt, subtask_1_rand_02.txt, subtask_1_valid_01.txt, subtask_1_valid_02.txt
Case Name Status Exec Time Memory
sample_01.txt WA 1 ms 512 KB
sample_02.txt AC 1 ms 512 KB
sample_03.txt WA 1 ms 512 KB
subtask_1_invalid_01.txt AC 9 ms 512 KB
subtask_1_invalid_02.txt AC 2 ms 512 KB
subtask_1_max_01.txt AC 10 ms 512 KB
subtask_1_max_02.txt AC 10 ms 512 KB
subtask_1_max_valid_01.txt WA 10 ms 512 KB
subtask_1_max_valid_02.txt WA 10 ms 512 KB
subtask_1_min_valid_01.txt WA 1 ms 512 KB
subtask_1_rand_01.txt AC 6 ms 512 KB
subtask_1_rand_02.txt AC 9 ms 512 KB
subtask_1_valid_01.txt WA 6 ms 512 KB
subtask_1_valid_02.txt WA 3 ms 512 KB