#include<bits/stdc++.h>
using namespace std;
int sum=0;
int c[250001], res[250001];
void add(int t){
sum+=t;
for(int i=sum; i>=t; i--){
c[i]+=c[i-t];
}
}
void del(int t){
sum-=t;
for(int i=t; i<=sum; i++){
c[i]-=c[i-t];
}
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
memset(c, 0, sizeof c);
memset(res, 0, sizeof res);
c[0]=1;
int n;
cin >> n;
int a[n];
for(int i=0; i<n; i++) {
cin >> a[i];
add(a[i]);
}
if(sum%2 || !c[sum/2]) return cout << 0, 0;
for(int i=0; i<n; i++){
del(a[i]);
for(int j=1; j<=sum; j++){
if((sum+j)%2) continue;
if(c[(sum+j)/2]) res[j]++;
}
add(a[i]);
}
vector<int> ans;
for(int i=1; i<=sum; i++){
if(res[i]==n) ans.push_back(i);
}
cout << ans.size() << endl;
for(int i=0; i<ans.size(); i++) cout << ans[i] << " ";
return 0;
}
Compilation message
bootfall.cpp: In function 'int main()':
bootfall.cpp:49:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(int i=0; i<ans.size(); i++) cout << ans[i] << " ";
~^~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
2296 KB |
Output is correct |
2 |
Correct |
5 ms |
2300 KB |
Output is correct |
3 |
Correct |
4 ms |
2348 KB |
Output is correct |
4 |
Correct |
5 ms |
2388 KB |
Output is correct |
5 |
Correct |
5 ms |
2388 KB |
Output is correct |
6 |
Correct |
5 ms |
2472 KB |
Output is correct |
7 |
Correct |
4 ms |
2472 KB |
Output is correct |
8 |
Correct |
4 ms |
2472 KB |
Output is correct |
9 |
Correct |
4 ms |
2472 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
2296 KB |
Output is correct |
2 |
Correct |
5 ms |
2300 KB |
Output is correct |
3 |
Correct |
4 ms |
2348 KB |
Output is correct |
4 |
Correct |
5 ms |
2388 KB |
Output is correct |
5 |
Correct |
5 ms |
2388 KB |
Output is correct |
6 |
Correct |
5 ms |
2472 KB |
Output is correct |
7 |
Correct |
4 ms |
2472 KB |
Output is correct |
8 |
Correct |
4 ms |
2472 KB |
Output is correct |
9 |
Correct |
4 ms |
2472 KB |
Output is correct |
10 |
Correct |
4 ms |
2480 KB |
Output is correct |
11 |
Correct |
4 ms |
2528 KB |
Output is correct |
12 |
Correct |
4 ms |
2616 KB |
Output is correct |
13 |
Correct |
5 ms |
2660 KB |
Output is correct |
14 |
Correct |
4 ms |
2660 KB |
Output is correct |
15 |
Correct |
5 ms |
2660 KB |
Output is correct |
16 |
Correct |
5 ms |
2660 KB |
Output is correct |
17 |
Correct |
4 ms |
2660 KB |
Output is correct |
18 |
Correct |
4 ms |
2660 KB |
Output is correct |
19 |
Correct |
5 ms |
2660 KB |
Output is correct |
20 |
Correct |
5 ms |
2660 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
2296 KB |
Output is correct |
2 |
Correct |
5 ms |
2300 KB |
Output is correct |
3 |
Correct |
4 ms |
2348 KB |
Output is correct |
4 |
Correct |
5 ms |
2388 KB |
Output is correct |
5 |
Correct |
5 ms |
2388 KB |
Output is correct |
6 |
Correct |
5 ms |
2472 KB |
Output is correct |
7 |
Correct |
4 ms |
2472 KB |
Output is correct |
8 |
Correct |
4 ms |
2472 KB |
Output is correct |
9 |
Correct |
4 ms |
2472 KB |
Output is correct |
10 |
Correct |
4 ms |
2480 KB |
Output is correct |
11 |
Correct |
4 ms |
2528 KB |
Output is correct |
12 |
Correct |
4 ms |
2616 KB |
Output is correct |
13 |
Correct |
5 ms |
2660 KB |
Output is correct |
14 |
Correct |
4 ms |
2660 KB |
Output is correct |
15 |
Correct |
5 ms |
2660 KB |
Output is correct |
16 |
Correct |
5 ms |
2660 KB |
Output is correct |
17 |
Correct |
4 ms |
2660 KB |
Output is correct |
18 |
Correct |
4 ms |
2660 KB |
Output is correct |
19 |
Correct |
5 ms |
2660 KB |
Output is correct |
20 |
Correct |
5 ms |
2660 KB |
Output is correct |
21 |
Correct |
5 ms |
2660 KB |
Output is correct |
22 |
Correct |
4 ms |
2660 KB |
Output is correct |
23 |
Incorrect |
5 ms |
2660 KB |
Output isn't correct |
24 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
2296 KB |
Output is correct |
2 |
Correct |
5 ms |
2300 KB |
Output is correct |
3 |
Correct |
4 ms |
2348 KB |
Output is correct |
4 |
Correct |
5 ms |
2388 KB |
Output is correct |
5 |
Correct |
5 ms |
2388 KB |
Output is correct |
6 |
Correct |
5 ms |
2472 KB |
Output is correct |
7 |
Correct |
4 ms |
2472 KB |
Output is correct |
8 |
Correct |
4 ms |
2472 KB |
Output is correct |
9 |
Correct |
4 ms |
2472 KB |
Output is correct |
10 |
Correct |
4 ms |
2480 KB |
Output is correct |
11 |
Correct |
4 ms |
2528 KB |
Output is correct |
12 |
Correct |
4 ms |
2616 KB |
Output is correct |
13 |
Correct |
5 ms |
2660 KB |
Output is correct |
14 |
Correct |
4 ms |
2660 KB |
Output is correct |
15 |
Correct |
5 ms |
2660 KB |
Output is correct |
16 |
Correct |
5 ms |
2660 KB |
Output is correct |
17 |
Correct |
4 ms |
2660 KB |
Output is correct |
18 |
Correct |
4 ms |
2660 KB |
Output is correct |
19 |
Correct |
5 ms |
2660 KB |
Output is correct |
20 |
Correct |
5 ms |
2660 KB |
Output is correct |
21 |
Correct |
5 ms |
2660 KB |
Output is correct |
22 |
Correct |
4 ms |
2660 KB |
Output is correct |
23 |
Incorrect |
5 ms |
2660 KB |
Output isn't correct |
24 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
2296 KB |
Output is correct |
2 |
Correct |
5 ms |
2300 KB |
Output is correct |
3 |
Correct |
4 ms |
2348 KB |
Output is correct |
4 |
Correct |
5 ms |
2388 KB |
Output is correct |
5 |
Correct |
5 ms |
2388 KB |
Output is correct |
6 |
Correct |
5 ms |
2472 KB |
Output is correct |
7 |
Correct |
4 ms |
2472 KB |
Output is correct |
8 |
Correct |
4 ms |
2472 KB |
Output is correct |
9 |
Correct |
4 ms |
2472 KB |
Output is correct |
10 |
Correct |
4 ms |
2480 KB |
Output is correct |
11 |
Correct |
4 ms |
2528 KB |
Output is correct |
12 |
Correct |
4 ms |
2616 KB |
Output is correct |
13 |
Correct |
5 ms |
2660 KB |
Output is correct |
14 |
Correct |
4 ms |
2660 KB |
Output is correct |
15 |
Correct |
5 ms |
2660 KB |
Output is correct |
16 |
Correct |
5 ms |
2660 KB |
Output is correct |
17 |
Correct |
4 ms |
2660 KB |
Output is correct |
18 |
Correct |
4 ms |
2660 KB |
Output is correct |
19 |
Correct |
5 ms |
2660 KB |
Output is correct |
20 |
Correct |
5 ms |
2660 KB |
Output is correct |
21 |
Correct |
5 ms |
2660 KB |
Output is correct |
22 |
Correct |
4 ms |
2660 KB |
Output is correct |
23 |
Incorrect |
5 ms |
2660 KB |
Output isn't correct |
24 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
4 ms |
2296 KB |
Output is correct |
2 |
Correct |
5 ms |
2300 KB |
Output is correct |
3 |
Correct |
4 ms |
2348 KB |
Output is correct |
4 |
Correct |
5 ms |
2388 KB |
Output is correct |
5 |
Correct |
5 ms |
2388 KB |
Output is correct |
6 |
Correct |
5 ms |
2472 KB |
Output is correct |
7 |
Correct |
4 ms |
2472 KB |
Output is correct |
8 |
Correct |
4 ms |
2472 KB |
Output is correct |
9 |
Correct |
4 ms |
2472 KB |
Output is correct |
10 |
Correct |
4 ms |
2480 KB |
Output is correct |
11 |
Correct |
4 ms |
2528 KB |
Output is correct |
12 |
Correct |
4 ms |
2616 KB |
Output is correct |
13 |
Correct |
5 ms |
2660 KB |
Output is correct |
14 |
Correct |
4 ms |
2660 KB |
Output is correct |
15 |
Correct |
5 ms |
2660 KB |
Output is correct |
16 |
Correct |
5 ms |
2660 KB |
Output is correct |
17 |
Correct |
4 ms |
2660 KB |
Output is correct |
18 |
Correct |
4 ms |
2660 KB |
Output is correct |
19 |
Correct |
5 ms |
2660 KB |
Output is correct |
20 |
Correct |
5 ms |
2660 KB |
Output is correct |
21 |
Correct |
5 ms |
2660 KB |
Output is correct |
22 |
Correct |
4 ms |
2660 KB |
Output is correct |
23 |
Incorrect |
5 ms |
2660 KB |
Output isn't correct |
24 |
Halted |
0 ms |
0 KB |
- |