Submission #8437667


Source Code Expand

#include <bits/stdc++.h>
int n,k,a[100005];
int main(){
	scanf("%d%d",&n,&k);
	for (int i=1;i<=n;i++) {
		scanf("%d",&a[i]);
		if (k==a[i]){
			puts("POSSIBLE");
			return 0;
		}
	}
	std::sort(a+1,a+n+1);
	if (k>a[n]){
		puts("IMPOSSIBLE");
		return 0;
	} 
	for (int i=0;i<n;i++) a[i]=a[i+1]-a[i];
	std::sort(a,a+n);
	int j=0;
	for (;a[j]==0;j++); 
	if (a[j]==1){
		puts("POSSIBLE");
		return 0;
	} 
	for (int i=1;i<n;i++){
		if (a[i]%a[j]){
			puts("POSSIBLE");
			return 0;
		}
	}
	puts("IMPOSSIBLE");
	return 0;
} 

Submission Info

Submission Time
Task A - Getting Difference
User flyfeather
Language C++14 (GCC 5.4.1)
Score 0
Code Size 549 Byte
Status WA
Exec Time 25 ms
Memory 640 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:4:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&k);
                     ^
./Main.cpp:6:20: 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 / 300
Status
AC × 4
AC × 17
WA × 2
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt
All sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt, sample_01.txt, sample_02.txt, sample_03.txt, sample_04.txt, subtask_1_01.txt, subtask_1_02.txt, subtask_1_03.txt, subtask_1_04.txt, subtask_1_05.txt, subtask_1_06.txt, subtask_1_07.txt, subtask_1_08.txt, subtask_1_09.txt, subtask_1_10.txt, subtask_1_11.txt
Case Name Status Exec Time Memory
sample_01.txt AC 1 ms 256 KB
sample_02.txt AC 1 ms 256 KB
sample_03.txt AC 1 ms 256 KB
sample_04.txt AC 1 ms 256 KB
subtask_1_01.txt AC 1 ms 256 KB
subtask_1_02.txt AC 1 ms 256 KB
subtask_1_03.txt AC 25 ms 640 KB
subtask_1_04.txt AC 1 ms 256 KB
subtask_1_05.txt AC 8 ms 512 KB
subtask_1_06.txt WA 4 ms 256 KB
subtask_1_07.txt AC 14 ms 512 KB
subtask_1_08.txt AC 17 ms 640 KB
subtask_1_09.txt WA 9 ms 384 KB
subtask_1_10.txt AC 15 ms 512 KB
subtask_1_11.txt AC 15 ms 512 KB