#include <bits/stdc++.h>
#define int long long
using namespace std;
signed main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int n,m,k;
cin >> n >> m >> k;
vector<int> a(n),b(m);
for (int i = 0; i < n; i++)
cin >> a[i];
for (int i = 0; i < m; i++)
cin >> b[i];
if (k > m)
{
cout << "Impossible\n";
return 0;
}
if (k == 1)
{
int sum = 0LL;
for (int i = 0; i < m; i++)
sum+=b[i];
vector<vector<bool>> dp(m,vector<bool>(sum+1));
dp[0][0] = 1;
dp[0][b[0]] = 1;
for (int i = 1; i < m; i++)
for (int j = 0; j <= sum; j++)
{
if (j-b[i] >= 0)
dp[i][j] = (dp[i-1][j-b[i]] | dp[i-1][j]);
else
dp[i][j] = dp[i-1][j];
}
/*for (int i = 0; i <= sum ;i++)
{
cout << "can " << i << ' ' << dp[m-1][i] << '\n';
}*/
int oth = 0;
for (int i = 0; i < n; i++)
oth+=a[i];
for (int i = oth; i <= sum; i++)
if (dp[m-1][i])
{
cout << i-oth << '\n';
return 0;
}
cout << "Impossible\n";
}
else
{
int oth = 0;
if (m==2)
{
for (int i = 0; i < n; i++)
oth+=a[i];
int fr = b[0], sr = b[1];
if (fr > sr)
swap(fr,sr);
for (int i = 0; i < n; i++)
{
if (a[i] == 1)
{
cout << "Impossible\n";
return 0;
}
if (sr - a[i] < n-i-1)
{
a[i] -= (sr-n+i+1);
sr = n-i-1;
}
else
{
sr-=a[i]-1;
a[i] = 1;
}
if (fr - a[i] < n-i-1)
{
a[i] -= fr-n+i+1;
fr = n-i-1;
}
else
{
fr-=a[i];
a[i] = 0;
}
if (a[i] != 0)
{
cout << "Impossible\n";
return 0;
}
}
cout << b[0] + b[1] - oth << '\n';
}
else
{
if (b[0] >= oth)
{
cout << oth-b[0] << '\n';
}
else
{
cout << "Impossible\n";
return 0;
}
}
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
10 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
48 ms |
2396 KB |
Output is correct |
2 |
Correct |
36 ms |
1884 KB |
Output is correct |
3 |
Correct |
40 ms |
2136 KB |
Output is correct |
4 |
Correct |
68 ms |
3416 KB |
Output is correct |
5 |
Correct |
68 ms |
3416 KB |
Output is correct |
6 |
Correct |
29 ms |
1624 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
344 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
10 |
Halted |
0 ms |
0 KB |
- |