//♥God will make a way♥
//#include <bits/stdc++.h>
#define _CRT_SECURE_NO_WARNINGS
#include <iostream>
#include <string>
#include <algorithm>
#include <cmath>
#include <cstring>
#include <cassert>
#include <set>
#include <map>
#include <unordered_map>
#include <vector>
#include <stack>
#include <queue>
#include <iomanip>
#include <bitset>
#include <stdio.h>
#include <climits>
#include <numeric>
using namespace std;
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
//using namespace __gnu_pbds;
//template <typename T>
//using ordered_set = tree <T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
/////////////////////define/////////////////////
#define ci(x) if(x) cout << "YES" << '\n'; else cout << "NO" << '\n';
#define cii(x) if(check(x))
#define MOD 1000000007
#define MOD2 998244353
#define oo 1e9
#define ool 1e18L
#define pii pair<int, int>
#define pll pair<long long, long long>
#define mii map<int, int>
#define vi vector<int>
#define vpi vector<pair<int, int>>
#define vll vector <ll>
#define ff first
#define ss second
#define mp make_pair
#define ll long long
#define ld long double
#define pb push_back
#define eb emplace_back
#define pob pop_back
#define lb lower_bound
#define ub upper_bound
#define bs binary_search
#define sz(x) (int((x).size()))
#define all(x) (x).begin(), (x).end()
#define alll(x) (x), (x) + n
#define clr(x) (x).clear();
#define fri(x) for(int i = 0; i < x; ++i)
#define frj(x) for(int j = 0; j < x; ++j)
#define frp(x) for(int p = 0; p < x; ++p)
#define frr(a, b) for(int i = a; i < b; ++i)
#define frrj(a, b) for(int j = a; j < b; ++j)
#define fra(x) for(int i = 0; i < x; ++i) cin >> a[i];
#define frb(x) for(int i = 0; i < x; ++i) cin >> b[i];
#define frs(x) for(auto it = x.begin(); it != x.end(); ++it)
#define fr(x) for(auto it : x) //el
#define fastio ios_base::sync_with_stdio(false); cin.tie(0);
#define dbg(x) cerr << #x << ": " << x << endl;
#define ce(x) cout << x << endl;
#define uniq(x) x.resize(unique(all(x)) - x.begin()); //make all one after sorting
#define blt __builtin_popcount
/////////////////////print array, vector, deque, set, multiset, pair, map /////////////////////
void print(long long t) {cerr << t;}
void print(int t) {cerr << t;}
void print(string t) {cerr << t;}
void print(char t) {cerr << t;}
void print(double t) {cerr << t;}
void print(long double t) {cerr << t;}
void print(unsigned long long t) {cerr << t;}
template <class T, class V> void print(pair <T, V> p) {cerr << "{"; print(p.first); cerr << ","; print(p.second); cerr << "}";}
template <class T, class V> void print(T v[],V n) {cerr << "["; for(int i = 0; i < n; i++) {print(v[i]); cerr << " "; } cerr << "]"; cout << endl;}
template <class T> void print(vector <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]"; cout << endl;}
template <class T> void print(set <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]"; cout << endl;}
template <class T> void print(multiset <T> v) {cerr << "[ "; for (T i : v) {print(i); cerr << " ";} cerr << "]"; cout << endl;}
template <class T> void print(stack <T> v) {cerr << "[ "; stack<T> s = v; while(s.size()) {T i = s.top(); print(i); s.pop(); cerr << " ";} cerr << "]"; cout << endl;}
template <class T> void print(queue <T> v) {cerr << "[ "; queue<T> s = v; while(s.size()) {T i = s.front(); print(i); s.pop(); cerr << " ";} cerr << "]"; cout << endl;}
template <class T> void print(deque <T> v) {cerr << "[ "; deque<T> s = v; while(s.size()) {T i = s.front(); print(i); s.pop_front(); cerr << " ";} cerr << "]"; cout << endl;}
template <class T, class V> void print(map <T, V> v) {cerr << "[ "; for (auto i : v) {print(i); cerr << " ";} cerr << "]"; cout << endl;}
template <class T, class V> void print(unordered_map <T, V> v) {cerr << "[ "; for (auto i : v) {print(i); cerr << " ";} cerr << "]"; cout << endl;}
/////////////////////code/////////////////////
int a[1005]; ll pref[1005];
short dp[100005]; //amenamec texy voric sksac ed gumary karanq stananq
bool ans[1005];
void solve() {
int n; cin >> n;
frr(1, 1 + n) {
cin >> a[i];
pref[i] = pref[i-1] + a[i];
}
for(int k = 2; k <= n; k++) ans[k] = 1;
for(int k = 0; k <= 100000; k++) dp[k] = 0;
frr(1, 1 + n) {
for(int j = pref[i] - a[i]; j >= 0; j--)
dp[j + a[i]] = max(dp[j + a[i]], dp[j]);
dp[a[i]] = i;
for(int k = 2; k <= n && k <= i; k++) {
ll sum = pref[i] - pref[i-k];
if((sum & 1) || dp[sum / 2] < i-k+1)
ans[k] = 0;
}
}
vi v;
for(int k = 2; k <= n; k++)
if(ans[k]) v.pb(k);
cout << v.size() << ' ';
for(int x : v) cout << x << ' ';
cout << endl;
}
int main() {
fastio;
int t = 1;
cin >> t;
while(t--) {
solve();
}
return 0;
}
/*
for(int s = 0; s < n-1; s++) { //fix the start
ll sum = 0;
fri(100001) dp[i] = 0;
for(int i = s; i < n; i++) {
sum += a[i];
for (int j = 100000 - a[i]; j > 0; j--)
if (dp[j] > 0) dp[j + a[i]] = 1;
dp[a[i]] = 1;
if(ans[i-s+1] && (!dp[sum/2] || (sum&1)))
ans[i-s+1]=0;
}
}
*/
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
468 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
4 ms |
464 KB |
Output is correct |
| 2 |
Correct |
11 ms |
468 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
40 ms |
468 KB |
Output is correct |
| 2 |
Correct |
107 ms |
556 KB |
Output is correct |
| 3 |
Correct |
122 ms |
560 KB |
Output is correct |
| 4 |
Correct |
228 ms |
572 KB |
Output is correct |
| 5 |
Correct |
508 ms |
588 KB |
Output is correct |
| 6 |
Correct |
721 ms |
704 KB |
Output is correct |
| 7 |
Correct |
641 ms |
684 KB |
Output is correct |
