| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 528289 |
2022-02-19T19:47:13 Z |
xynex |
Kpart (eJOI21_kpart) |
C++17 |
|
1040 ms |
596 KB |
/**
* Author: Tenjin
* Created: 20.02.2022 01:10
* Why am I so stupid? :c
* Slishkom slab
**/
#include <bits/stdc++.h>
// #pragma GCC optimize("inline")
// #pragma GCC optimize("-fgcse,-fgcse-lm")
// #pragma GCC optimize("-ftree-pre,-ftree-vrp")
// #pragma GCC optimize("-ffast-math")
// #pragma GCC optimize("-fipa-sra")
// #pragma GCC optimize("-fpeephole2")
// #pragma GCC optimize("-fsched-spec")
// #pragma GCC optimize("Ofast,no-stack-protector")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
// #pragma GCC optimize("unroll-loops")
using namespace std;
#define ll long long
#define dl double long
#define ull unsigned long long
#define pr pair
#define vt vector
#define ff first
#define ss second
#define mp make_pair
#define sz(a) (int)a.size()
#define pb push_back
#define pf push_front
#define popB pop_back
#define popF pop_front
#define bit_count __builtin_popcount
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define sp(x) fixed << setprecision(x)
template<typename T> T get_rand(T l, T r) {
random_device rd;
mt19937 gen(rd());
return uniform_int_distribution<T>(l, r)(gen);
}
template<typename T> T lcm(T a, T b) { return a * (b / __gcd(a, b)); }
template<class A> void read(vt<A>& v);
template<class A, size_t S> void read(array<A, S>& a);
template<class T> void read(T& x) { cin >> x; }
void read(double& d) { string t; read(t); d = stod(t); }
void read(long double& d) { string t; read(t); d = stold(t); }
template<class H, class... T> void read(H& h, T&... t) { read(h); read(t...); }
template<class A> void read(vt<A>& x) { for (auto& a : x) read(a); }
template<class A, size_t S> void read(array<A, S>& x) { for (auto& a : x) read(a); }
string to_string(char c) { return string(1, c); }
string to_string(bool b) { return b ? "true" : "false"; }
string to_string(const char* s) { return string(s); }
string to_string(string s) { return s; }
string to_string(vt<bool> v) { string res; for (int i = 0; i < sz(v); ++i) res += char('0' + v[i]); return res; }
template<size_t S> string to_string(bitset<S> b) { string res; for (int i = 0; i < S; ++i) res += char('0' + b[i]); return res; }
template<class T> string to_string(T v) { bool f = 1; string res; for (auto x : v) { if (!f) res += ' '; f = 0; res += to_string(x); } return res; }
template<class A> void write(A x) { cout << to_string(x); }
template<class H, class... T> void write(const H& h, const T&... t) { write(h); write(t...); }
void print() { write("\n"); }
template<class H, class... T> void print(const H& h, const T&... t) { write(h); if (sizeof...(t)) write(' '); print(t...); }
void freop(string s) {
freopen((s + ".in").c_str(), "r", stdin);
freopen((s + ".out").c_str(), "w", stdout);
}
const int MOD = 1e9 + 7;
const int N = 1e5 + 5;
const ll INF = 9e18;
const int M = 3e3 + 5;
const dl pi = acos(-1);
const dl eps = 1e-12;
const int sq = 700;
int dx[] = {-1, 0, 1, 0};
int dy[] = {0, -1, 0, 1};
/* ll vs int*/
int a[N];
/*
7 3 5 1 3 3 5
*/
void solve() {
int n; read(n);
int a11 = 0;
for(int i = 1; i <= n; ++i) read(a[i]), a11 += a[i];
a11 /= 2;
vt<int> last(a11 + 1);
vt<int> cnt(n + 1);
for(int i = 1; i <= n; ++i) {
for(int j = a11; j >= a[i]; --j) {
last[j] = max(last[j], last[j - a[i]]);
}
last[a[i]] = i;
/*for(int j = 1; j <= a11; ++j) write(last[j], ' ');
print("");*/
int cur = 0;
for(int j = i; j >= 1; --j) {
cur += a[j];
// print(cur);
if(cur % 2 == 0 && last[cur / 2] >= j) {
cnt[i - j + 1]++;
}
}
}
vt<int> ans;
for(int i = 1; i <= n; ++i) {
if(cnt[i] == (n - i + 1)) ans.pb(i);
}
print(sz(ans), ans);
}
int main() {
//freop("");
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
int t = 1;
read(t);
for (int i = 1; i <= t; ++i) {
//write("Case #" + to_string(i) + ": ");
solve();
}
return 0;
}
Compilation message
Main.cpp: In function 'void freop(std::string)':
Main.cpp:72:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
72 | freopen((s + ".in").c_str(), "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:73:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
73 | freopen((s + ".out").c_str(), "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
204 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
4 ms |
332 KB |
Output is correct |
| 2 |
Correct |
14 ms |
376 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
58 ms |
420 KB |
Output is correct |
| 2 |
Correct |
155 ms |
404 KB |
Output is correct |
| 3 |
Correct |
181 ms |
476 KB |
Output is correct |
| 4 |
Correct |
321 ms |
548 KB |
Output is correct |
| 5 |
Correct |
741 ms |
504 KB |
Output is correct |
| 6 |
Correct |
1040 ms |
556 KB |
Output is correct |
| 7 |
Correct |
954 ms |
596 KB |
Output is correct |
