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Copy pathB.cpp
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92 lines (83 loc) · 2.21 KB
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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define all(v) v.begin(),v.end()
#define X first
#define Y second
#define Len(x) (static_cast<int>(x.size()))
/* <not_serious> */
template<typename T>
class number_iterator : iterator<forward_iterator_tag, T> {
public:
number_iterator(T _v) : v(_v), step(1) {}
number_iterator(T _v, T _step) : v(_v), step(_step) {}
operator T &() { return v; }
T operator*() const { return v; }
number_iterator operator++() {
v += step;
return *this;
}
bool operator!=(number_iterator rhs) {
return step > 0 ? v < rhs.v : v > rhs.v;
}
private:
T v, step;
};
template<typename T = int>
class range : pair<T, T> {
public:
using ptt = pair<T, T>;
range(T begin, T end) : ptt(begin, max(begin, end)), step(1) {}
range(T end) : ptt(0, max(0, end)), step(1) {}
range(T begin, T end, T _step) :
ptt(begin, _end(begin, end, _step)), step(_step) {}
number_iterator<T> begin() const {
return number_iterator<T>(this->first, step);
}
number_iterator<T> end() const {
return number_iterator<T>(this->second, step);
}
private:
T step;
T _end(T begin, T end, T _step) {
return _step > 0 ? max(begin, end) : min(begin, end - 1);
}
};
template<typename T = int>
class rrange : public range<T> {
public:
rrange(T end, T begin) : range<T>(end, begin, -1) {}
rrange(T end) : range<T>(end, 0, -1) {}
};
template<class T = int, class... Args>
auto vec(size_t n, Args &&... args) {
if constexpr(sizeof...(args) == 1)
return vector<T>(n, T(args...));
else
return vector(n, vec<T>(args...));
}
/* </not_serious> */
int constexpr MOD = 1e9 + 7;
ll constexpr INF = 1e9;
int main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n;
cin >> n;
vector<int> a(n);
for (auto i : range(n)) cin >> a[i];
for (auto i : range(1 << (n + 1))) {
int sum = 0;
for (auto j : range(n)) {
if ((i >> j) & 1) sum += a[j];
else sum -= a[j];
sum %= 360;
}
if (sum == 0) {
cout << "YES";
return 0;
}
}
cout << "NO";
return 0;
}