#include <bits/stdc++.h>
#define int long long
#define rep(i,n) for(int i = 0; i < n; i++)
#define per(i,n) for(int i = n-1; i >=0; i--)
// #pragma GCC optimize("O3")
// #pragma optimize("sse,sse2,sse3,sse4,avx,avx2")
using namespace std;
signed main()
{
int m,l;
cin>>m>>l;
int maxl=(m)*(m+1)/2*100; //TODO change to 100
if(l>maxl) {cout<<"impossible\n"; exit(0);}
vector<int>dp(2*maxl, -1);
dp[maxl]=0;
vector<int>in(2*m+1);
rep(i,2*m+1) cin>>in[i];
for(int cll = m; cll >=0; cll--)
{
int cl = cll;
int a = in[m+cl];
rep(whatever,a)
{
per(i,2*maxl+1)
{
if(i-cl<0||i-cl>=dp.size()||dp[i-cl]==-1) continue;
dp[i]=max(dp[i], dp[i-cl]+1);
}
}
if(cl==0) continue;
a=in[m-cl];
cl=-cl;
rep(whatever,a)
{
rep(i,2*maxl+1)
{
if(i-cl<0||i-cl>=dp.size()||dp[i-cl]==-1) continue;
dp[i]=max(dp[i], dp[i-cl]+1);
}
}
}
if(l+maxl<dp.size()&&dp[l+maxl]>0) cout<<dp[l+maxl]<<'\n';
else cout<<"impossible\n";
}
Compilation message
vault.cpp: In function 'int main()':
vault.cpp:31:36: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
31 | if(i-cl<0||i-cl>=dp.size()||dp[i-cl]==-1) continue;
| ~~~~^~~~~~~~~~~
vault.cpp:43:32: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
43 | if(i-cl<0||i-cl>=dp.size()||dp[i-cl]==-1) continue;
| ~~~~^~~~~~~~~~~
vault.cpp:51:14: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
51 | if(l+maxl<dp.size()&&dp[l+maxl]>0) cout<<dp[l+maxl]<<'\n';
| ~~~~~~^~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
640 ms |
2288 KB |
Output is correct |
6 |
Correct |
716 ms |
2292 KB |
Output is correct |
7 |
Correct |
249 ms |
2288 KB |
Output is correct |
8 |
Correct |
607 ms |
2284 KB |
Output is correct |
9 |
Correct |
1227 ms |
2292 KB |
Output is correct |
10 |
Correct |
22 ms |
2260 KB |
Output is correct |
11 |
Correct |
17 ms |
2260 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
640 ms |
2288 KB |
Output is correct |
6 |
Correct |
716 ms |
2292 KB |
Output is correct |
7 |
Correct |
249 ms |
2288 KB |
Output is correct |
8 |
Correct |
607 ms |
2284 KB |
Output is correct |
9 |
Correct |
1227 ms |
2292 KB |
Output is correct |
10 |
Correct |
22 ms |
2260 KB |
Output is correct |
11 |
Correct |
17 ms |
2260 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
619 ms |
2292 KB |
Output is correct |
17 |
Correct |
639 ms |
2284 KB |
Output is correct |
18 |
Correct |
234 ms |
2288 KB |
Output is correct |
19 |
Correct |
601 ms |
2296 KB |
Output is correct |
20 |
Correct |
1178 ms |
2288 KB |
Output is correct |
21 |
Correct |
22 ms |
2308 KB |
Output is correct |
22 |
Correct |
18 ms |
2260 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Execution timed out |
5087 ms |
8332 KB |
Time limit exceeded |
25 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
640 ms |
2288 KB |
Output is correct |
6 |
Correct |
716 ms |
2292 KB |
Output is correct |
7 |
Correct |
249 ms |
2288 KB |
Output is correct |
8 |
Correct |
607 ms |
2284 KB |
Output is correct |
9 |
Correct |
1227 ms |
2292 KB |
Output is correct |
10 |
Correct |
22 ms |
2260 KB |
Output is correct |
11 |
Correct |
17 ms |
2260 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
14 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
640 ms |
2288 KB |
Output is correct |
6 |
Correct |
716 ms |
2292 KB |
Output is correct |
7 |
Correct |
249 ms |
2288 KB |
Output is correct |
8 |
Correct |
607 ms |
2284 KB |
Output is correct |
9 |
Correct |
1227 ms |
2292 KB |
Output is correct |
10 |
Correct |
22 ms |
2260 KB |
Output is correct |
11 |
Correct |
17 ms |
2260 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
619 ms |
2292 KB |
Output is correct |
17 |
Correct |
639 ms |
2284 KB |
Output is correct |
18 |
Correct |
234 ms |
2288 KB |
Output is correct |
19 |
Correct |
601 ms |
2296 KB |
Output is correct |
20 |
Correct |
1178 ms |
2288 KB |
Output is correct |
21 |
Correct |
22 ms |
2308 KB |
Output is correct |
22 |
Correct |
18 ms |
2260 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Execution timed out |
5087 ms |
8332 KB |
Time limit exceeded |
25 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
0 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
640 ms |
2288 KB |
Output is correct |
6 |
Correct |
716 ms |
2292 KB |
Output is correct |
7 |
Correct |
249 ms |
2288 KB |
Output is correct |
8 |
Correct |
607 ms |
2284 KB |
Output is correct |
9 |
Correct |
1227 ms |
2292 KB |
Output is correct |
10 |
Correct |
22 ms |
2260 KB |
Output is correct |
11 |
Correct |
17 ms |
2260 KB |
Output is correct |
12 |
Correct |
1 ms |
212 KB |
Output is correct |
13 |
Correct |
0 ms |
212 KB |
Output is correct |
14 |
Correct |
0 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
619 ms |
2292 KB |
Output is correct |
17 |
Correct |
639 ms |
2284 KB |
Output is correct |
18 |
Correct |
234 ms |
2288 KB |
Output is correct |
19 |
Correct |
601 ms |
2296 KB |
Output is correct |
20 |
Correct |
1178 ms |
2288 KB |
Output is correct |
21 |
Correct |
22 ms |
2308 KB |
Output is correct |
22 |
Correct |
18 ms |
2260 KB |
Output is correct |
23 |
Correct |
1 ms |
212 KB |
Output is correct |
24 |
Execution timed out |
5087 ms |
8332 KB |
Time limit exceeded |
25 |
Halted |
0 ms |
0 KB |
- |