#include<bits/stdc++.h>
using namespace std;
int n, a[500], res[250001];
bool s[250001];
void check(){
s[0]=true;
vector<int> tmp;
tmp.push_back(0);
int sz;
for(int i=0; i<n; i++){
sz=tmp.size();
for(int j=0; j<sz; j++){
if(!s[tmp[j]+a[i]]){
s[tmp[j]+a[i]]=true;
tmp.push_back(tmp[j]+a[i]);
}
}
}
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int tot=0;
cin >> n;
for(int i=0; i<n; i++){
cin >> a[i];
tot+=a[i];
}
memset(res, 0, sizeof res);
memset(s, 0, sizeof s);
check();
if(tot%2 || !s[tot/2]){
return cout << 0, 0;
}
int tmp;
for(int i=0; i<n; i++){
tmp=a[i];
a[i]=0;
memset(s, 0, sizeof s);
check();
tot-=tmp;
for(int j=1; j<=tot; j++){
if((tot+j)%2) continue;
if(s[(tot+j)/2]){
res[j]++;
}
}
bool ok=false;
for(int j=1; j<=tot; j++){
if(res[j]==i+1) ok=true;
}
if(!ok) break;
tot+=tmp;
a[i]=tmp;
}
vector<int>res;
for(int i=1; i<=tot; i++){
if(::res[i]==n){
res.push_back(i);
}
}
cout << res.size() << endl;
for(int i=0; i<res.size(); i++) cout << res[i] << " ";
return 0;
}
Compilation message
bootfall.cpp: In function 'int main()':
bootfall.cpp:68:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0; i<res.size(); i++) cout << res[i] << " ";
~^~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
1528 KB |
Output is correct |
| 2 |
Correct |
5 ms |
1768 KB |
Output is correct |
| 3 |
Correct |
5 ms |
1768 KB |
Output is correct |
| 4 |
Correct |
3 ms |
1768 KB |
Output is correct |
| 5 |
Correct |
3 ms |
1768 KB |
Output is correct |
| 6 |
Correct |
4 ms |
1768 KB |
Output is correct |
| 7 |
Correct |
4 ms |
1768 KB |
Output is correct |
| 8 |
Correct |
5 ms |
1768 KB |
Output is correct |
| 9 |
Correct |
4 ms |
1884 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
1528 KB |
Output is correct |
| 2 |
Correct |
5 ms |
1768 KB |
Output is correct |
| 3 |
Correct |
5 ms |
1768 KB |
Output is correct |
| 4 |
Correct |
3 ms |
1768 KB |
Output is correct |
| 5 |
Correct |
3 ms |
1768 KB |
Output is correct |
| 6 |
Correct |
4 ms |
1768 KB |
Output is correct |
| 7 |
Correct |
4 ms |
1768 KB |
Output is correct |
| 8 |
Correct |
5 ms |
1768 KB |
Output is correct |
| 9 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 10 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 11 |
Correct |
5 ms |
1884 KB |
Output is correct |
| 12 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 13 |
Correct |
5 ms |
1884 KB |
Output is correct |
| 14 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 15 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 16 |
Correct |
5 ms |
1884 KB |
Output is correct |
| 17 |
Correct |
4 ms |
1900 KB |
Output is correct |
| 18 |
Correct |
6 ms |
1900 KB |
Output is correct |
| 19 |
Correct |
4 ms |
1900 KB |
Output is correct |
| 20 |
Correct |
5 ms |
1900 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
1528 KB |
Output is correct |
| 2 |
Correct |
5 ms |
1768 KB |
Output is correct |
| 3 |
Correct |
5 ms |
1768 KB |
Output is correct |
| 4 |
Correct |
3 ms |
1768 KB |
Output is correct |
| 5 |
Correct |
3 ms |
1768 KB |
Output is correct |
| 6 |
Correct |
4 ms |
1768 KB |
Output is correct |
| 7 |
Correct |
4 ms |
1768 KB |
Output is correct |
| 8 |
Correct |
5 ms |
1768 KB |
Output is correct |
| 9 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 10 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 11 |
Correct |
5 ms |
1884 KB |
Output is correct |
| 12 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 13 |
Correct |
5 ms |
1884 KB |
Output is correct |
| 14 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 15 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 16 |
Correct |
5 ms |
1884 KB |
Output is correct |
| 17 |
Correct |
4 ms |
1900 KB |
Output is correct |
| 18 |
Correct |
6 ms |
1900 KB |
Output is correct |
| 19 |
Correct |
4 ms |
1900 KB |
Output is correct |
| 20 |
Correct |
5 ms |
1900 KB |
Output is correct |
| 21 |
Correct |
15 ms |
1900 KB |
Output is correct |
| 22 |
Correct |
23 ms |
1916 KB |
Output is correct |
| 23 |
Correct |
12 ms |
1932 KB |
Output is correct |
| 24 |
Correct |
32 ms |
2068 KB |
Output is correct |
| 25 |
Correct |
41 ms |
2084 KB |
Output is correct |
| 26 |
Correct |
48 ms |
2084 KB |
Output is correct |
| 27 |
Correct |
33 ms |
2084 KB |
Output is correct |
| 28 |
Correct |
28 ms |
2084 KB |
Output is correct |
| 29 |
Correct |
30 ms |
2084 KB |
Output is correct |
| 30 |
Correct |
6 ms |
2084 KB |
Output is correct |
| 31 |
Correct |
56 ms |
2084 KB |
Output is correct |
| 32 |
Correct |
43 ms |
2084 KB |
Output is correct |
| 33 |
Correct |
9 ms |
2084 KB |
Output is correct |
| 34 |
Correct |
8 ms |
2084 KB |
Output is correct |
| 35 |
Correct |
29 ms |
2084 KB |
Output is correct |
| 36 |
Correct |
39 ms |
2084 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
1528 KB |
Output is correct |
| 2 |
Correct |
5 ms |
1768 KB |
Output is correct |
| 3 |
Correct |
5 ms |
1768 KB |
Output is correct |
| 4 |
Correct |
3 ms |
1768 KB |
Output is correct |
| 5 |
Correct |
3 ms |
1768 KB |
Output is correct |
| 6 |
Correct |
4 ms |
1768 KB |
Output is correct |
| 7 |
Correct |
4 ms |
1768 KB |
Output is correct |
| 8 |
Correct |
5 ms |
1768 KB |
Output is correct |
| 9 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 10 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 11 |
Correct |
5 ms |
1884 KB |
Output is correct |
| 12 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 13 |
Correct |
5 ms |
1884 KB |
Output is correct |
| 14 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 15 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 16 |
Correct |
5 ms |
1884 KB |
Output is correct |
| 17 |
Correct |
4 ms |
1900 KB |
Output is correct |
| 18 |
Correct |
6 ms |
1900 KB |
Output is correct |
| 19 |
Correct |
4 ms |
1900 KB |
Output is correct |
| 20 |
Correct |
5 ms |
1900 KB |
Output is correct |
| 21 |
Correct |
15 ms |
1900 KB |
Output is correct |
| 22 |
Correct |
23 ms |
1916 KB |
Output is correct |
| 23 |
Correct |
12 ms |
1932 KB |
Output is correct |
| 24 |
Correct |
32 ms |
2068 KB |
Output is correct |
| 25 |
Correct |
41 ms |
2084 KB |
Output is correct |
| 26 |
Correct |
48 ms |
2084 KB |
Output is correct |
| 27 |
Correct |
33 ms |
2084 KB |
Output is correct |
| 28 |
Correct |
28 ms |
2084 KB |
Output is correct |
| 29 |
Correct |
30 ms |
2084 KB |
Output is correct |
| 30 |
Correct |
6 ms |
2084 KB |
Output is correct |
| 31 |
Correct |
56 ms |
2084 KB |
Output is correct |
| 32 |
Correct |
43 ms |
2084 KB |
Output is correct |
| 33 |
Correct |
9 ms |
2084 KB |
Output is correct |
| 34 |
Correct |
8 ms |
2084 KB |
Output is correct |
| 35 |
Correct |
29 ms |
2084 KB |
Output is correct |
| 36 |
Correct |
39 ms |
2084 KB |
Output is correct |
| 37 |
Correct |
526 ms |
2248 KB |
Output is correct |
| 38 |
Correct |
495 ms |
2324 KB |
Output is correct |
| 39 |
Correct |
51 ms |
2324 KB |
Output is correct |
| 40 |
Execution timed out |
1074 ms |
2324 KB |
Time limit exceeded |
| 41 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
1528 KB |
Output is correct |
| 2 |
Correct |
5 ms |
1768 KB |
Output is correct |
| 3 |
Correct |
5 ms |
1768 KB |
Output is correct |
| 4 |
Correct |
3 ms |
1768 KB |
Output is correct |
| 5 |
Correct |
3 ms |
1768 KB |
Output is correct |
| 6 |
Correct |
4 ms |
1768 KB |
Output is correct |
| 7 |
Correct |
4 ms |
1768 KB |
Output is correct |
| 8 |
Correct |
5 ms |
1768 KB |
Output is correct |
| 9 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 10 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 11 |
Correct |
5 ms |
1884 KB |
Output is correct |
| 12 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 13 |
Correct |
5 ms |
1884 KB |
Output is correct |
| 14 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 15 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 16 |
Correct |
5 ms |
1884 KB |
Output is correct |
| 17 |
Correct |
4 ms |
1900 KB |
Output is correct |
| 18 |
Correct |
6 ms |
1900 KB |
Output is correct |
| 19 |
Correct |
4 ms |
1900 KB |
Output is correct |
| 20 |
Correct |
5 ms |
1900 KB |
Output is correct |
| 21 |
Correct |
15 ms |
1900 KB |
Output is correct |
| 22 |
Correct |
23 ms |
1916 KB |
Output is correct |
| 23 |
Correct |
12 ms |
1932 KB |
Output is correct |
| 24 |
Correct |
32 ms |
2068 KB |
Output is correct |
| 25 |
Correct |
41 ms |
2084 KB |
Output is correct |
| 26 |
Correct |
48 ms |
2084 KB |
Output is correct |
| 27 |
Correct |
33 ms |
2084 KB |
Output is correct |
| 28 |
Correct |
28 ms |
2084 KB |
Output is correct |
| 29 |
Correct |
30 ms |
2084 KB |
Output is correct |
| 30 |
Correct |
6 ms |
2084 KB |
Output is correct |
| 31 |
Correct |
56 ms |
2084 KB |
Output is correct |
| 32 |
Correct |
43 ms |
2084 KB |
Output is correct |
| 33 |
Correct |
9 ms |
2084 KB |
Output is correct |
| 34 |
Correct |
8 ms |
2084 KB |
Output is correct |
| 35 |
Correct |
29 ms |
2084 KB |
Output is correct |
| 36 |
Correct |
39 ms |
2084 KB |
Output is correct |
| 37 |
Correct |
526 ms |
2248 KB |
Output is correct |
| 38 |
Correct |
495 ms |
2324 KB |
Output is correct |
| 39 |
Correct |
51 ms |
2324 KB |
Output is correct |
| 40 |
Execution timed out |
1074 ms |
2324 KB |
Time limit exceeded |
| 41 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
1528 KB |
Output is correct |
| 2 |
Correct |
5 ms |
1768 KB |
Output is correct |
| 3 |
Correct |
5 ms |
1768 KB |
Output is correct |
| 4 |
Correct |
3 ms |
1768 KB |
Output is correct |
| 5 |
Correct |
3 ms |
1768 KB |
Output is correct |
| 6 |
Correct |
4 ms |
1768 KB |
Output is correct |
| 7 |
Correct |
4 ms |
1768 KB |
Output is correct |
| 8 |
Correct |
5 ms |
1768 KB |
Output is correct |
| 9 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 10 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 11 |
Correct |
5 ms |
1884 KB |
Output is correct |
| 12 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 13 |
Correct |
5 ms |
1884 KB |
Output is correct |
| 14 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 15 |
Correct |
4 ms |
1884 KB |
Output is correct |
| 16 |
Correct |
5 ms |
1884 KB |
Output is correct |
| 17 |
Correct |
4 ms |
1900 KB |
Output is correct |
| 18 |
Correct |
6 ms |
1900 KB |
Output is correct |
| 19 |
Correct |
4 ms |
1900 KB |
Output is correct |
| 20 |
Correct |
5 ms |
1900 KB |
Output is correct |
| 21 |
Correct |
15 ms |
1900 KB |
Output is correct |
| 22 |
Correct |
23 ms |
1916 KB |
Output is correct |
| 23 |
Correct |
12 ms |
1932 KB |
Output is correct |
| 24 |
Correct |
32 ms |
2068 KB |
Output is correct |
| 25 |
Correct |
41 ms |
2084 KB |
Output is correct |
| 26 |
Correct |
48 ms |
2084 KB |
Output is correct |
| 27 |
Correct |
33 ms |
2084 KB |
Output is correct |
| 28 |
Correct |
28 ms |
2084 KB |
Output is correct |
| 29 |
Correct |
30 ms |
2084 KB |
Output is correct |
| 30 |
Correct |
6 ms |
2084 KB |
Output is correct |
| 31 |
Correct |
56 ms |
2084 KB |
Output is correct |
| 32 |
Correct |
43 ms |
2084 KB |
Output is correct |
| 33 |
Correct |
9 ms |
2084 KB |
Output is correct |
| 34 |
Correct |
8 ms |
2084 KB |
Output is correct |
| 35 |
Correct |
29 ms |
2084 KB |
Output is correct |
| 36 |
Correct |
39 ms |
2084 KB |
Output is correct |
| 37 |
Correct |
526 ms |
2248 KB |
Output is correct |
| 38 |
Correct |
495 ms |
2324 KB |
Output is correct |
| 39 |
Correct |
51 ms |
2324 KB |
Output is correct |
| 40 |
Execution timed out |
1074 ms |
2324 KB |
Time limit exceeded |
| 41 |
Halted |
0 ms |
0 KB |
- |
