Submission #3430389
Source Code Expand
#include <algorithm>
#include <iostream>
#include <cstring>
#include <cstdio>
using namespace std;
int sum, n;
int a[101], odd, evn, pos[101];
int b[101], cnt;
void work()
{
if(n == 1)
{
if(a[1] == 1) b[++cnt] = 1;
else b[++cnt] = 1, b[++cnt] = a[1] - 1;
return;
}
if(a[1] & 1) b[++cnt] = a[1] + 1;
else b[++cnt] = 1, b[++cnt] = a[1];
for(int i=2; i<n; i++) b[++cnt] = a[i];
if(a[n]==1) return;
else b[++cnt] = a[n]-1;
}
int main()
{
scanf("%d%d", &sum, &n);
for(int i=1; i<=n; i++) scanf("%d", &a[i]);
for(int i=1; i<=n; i++)
if(a[i] & 1) pos[++odd] = i;
else evn++;
if(odd > 2) printf("Impossible\n"), exit(0);
if(odd == 0) work();
else if(odd == 1) swap(a[pos[1]], a[1]), work();
else swap(a[pos[1]], a[1]), swap(a[pos[2]], a[n]), work();
for(int i=1; i<=n; i++) printf("%d ", a[i]); putchar('\n');
printf("%d\n", cnt);
for(int i=1; i<=cnt; i++) printf("%d ", b[i]); putchar('\n');
return 0;
}
Submission Info
Submission Time |
|
Task |
D - Arrays and Palindrome |
User |
boshi |
Language |
C++14 (GCC 5.4.1) |
Score |
1000 |
Code Size |
970 Byte |
Status |
AC |
Exec Time |
1 ms |
Memory |
256 KB |
Compile Error
./Main.cpp: In function ‘int main()’:
./Main.cpp:29:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &sum, &n);
^
./Main.cpp:30:44: 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]);
^
Judge Result
Set Name |
Sample |
All |
Score / Max Score |
0 / 0 |
1000 / 1000 |
Status |
|
|
Set Name |
Test Cases |
Sample |
sample-01.txt, sample-02.txt, sample-03.txt |
All |
sample-01.txt, sample-02.txt, sample-03.txt, 01-01.txt, 01-02.txt, 01-03.txt, 01-04.txt, 01-05.txt, 01-06.txt, 01-07.txt, 01-08.txt, 01-09.txt, 01-10.txt, 01-11.txt, 01-12.txt, 01-13.txt, 01-14.txt, 01-15.txt, 01-16.txt, 01-17.txt, 01-18.txt, 01-19.txt, 01-20.txt, 01-21.txt, 01-22.txt, 01-23.txt, 01-24.txt, 01-25.txt, sample-01.txt, sample-02.txt, sample-03.txt |
Case Name |
Status |
Exec Time |
Memory |
01-01.txt |
AC |
1 ms |
256 KB |
01-02.txt |
AC |
1 ms |
256 KB |
01-03.txt |
AC |
1 ms |
256 KB |
01-04.txt |
AC |
1 ms |
256 KB |
01-05.txt |
AC |
1 ms |
256 KB |
01-06.txt |
AC |
1 ms |
256 KB |
01-07.txt |
AC |
1 ms |
256 KB |
01-08.txt |
AC |
1 ms |
256 KB |
01-09.txt |
AC |
1 ms |
256 KB |
01-10.txt |
AC |
1 ms |
256 KB |
01-11.txt |
AC |
1 ms |
256 KB |
01-12.txt |
AC |
1 ms |
256 KB |
01-13.txt |
AC |
1 ms |
256 KB |
01-14.txt |
AC |
1 ms |
256 KB |
01-15.txt |
AC |
1 ms |
256 KB |
01-16.txt |
AC |
1 ms |
256 KB |
01-17.txt |
AC |
1 ms |
256 KB |
01-18.txt |
AC |
1 ms |
256 KB |
01-19.txt |
AC |
1 ms |
256 KB |
01-20.txt |
AC |
1 ms |
256 KB |
01-21.txt |
AC |
1 ms |
256 KB |
01-22.txt |
AC |
1 ms |
256 KB |
01-23.txt |
AC |
1 ms |
256 KB |
01-24.txt |
AC |
1 ms |
256 KB |
01-25.txt |
AC |
1 ms |
256 KB |
sample-01.txt |
AC |
1 ms |
256 KB |
sample-02.txt |
AC |
1 ms |
256 KB |
sample-03.txt |
AC |
1 ms |
256 KB |