結果
| 問題 |
No.2956 Substitute with Average
|
| コンテスト | |
| ユーザー |
nono00
|
| 提出日時 | 2024-11-09 00:02:03 |
| 言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
WA
|
| 実行時間 | - |
| コード長 | 3,188 bytes |
| コンパイル時間 | 3,024 ms |
| コンパイル使用メモリ | 248,264 KB |
| 実行使用メモリ | 100,924 KB |
| 最終ジャッジ日時 | 2024-11-09 00:02:11 |
| 合計ジャッジ時間 | 7,873 ms |
|
ジャッジサーバーID (参考情報) |
judge3 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 4 WA * 21 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
template <class T>
using max_heap = priority_queue<T>;
template <class T>
using min_heap = priority_queue<T, vector<T>, greater<T>>;
#define rep(i, l, r) for (ll i = (l); i < (r); i++)
#define rrep(i, r, l) for (ll i = (r); i-- > (l);)
#define all(x) begin(x), end(x)
template <class T>
bool chmin(T& lhs, T rhs) {
return lhs > rhs ? (lhs = rhs, true) : false;
}
template <class T>
bool chmax(T& lhs, T rhs) {
return lhs < rhs ? (lhs = rhs, true) : false;
}
struct IOIO {
IOIO() {
cin.tie(0)->sync_with_stdio(0);
}
} ioio;
template <class S, class T>
ostream& operator<<(ostream& os, const pair<S, T>& p) {
os << '(' << p.first << ", " << p.second << ')';
return os;
}
template <class T>
ostream& operator<<(ostream& os, const vector<T>& vs) {
os << '{';
rep(i, 0, (int)vs.size()) os << vs[i] << (i + 1 == (int)vs.size() ? "" : ", ");
os << '}';
return os;
}
template <class T>
ostream& operator<<(ostream& os, const set<T>& vs) {
os << '{';
for (auto it = vs.begin(); it != vs.end(); it++) {
if (it != vs.begin()) {
os << ", ";
}
os << *it;
}
os << '}';
return os;
}
template <class T, class U>
ostream& operator<<(ostream& os, const map<T, U>& vs) {
os << '{';
for (auto it = vs.begin(); it != vs.end(); it++) {
if (it != vs.begin()) {
os << ", ";
}
os << *it;
}
os << '}';
return os;
}
#ifdef DEBUG
void dump_func() {
cerr << endl;
}
template <class Head, class... Tail>
void dump_func(Head&& head, Tail&&... tail) {
cerr << head;
if (sizeof...(Tail) > 0) {
cerr << ", ";
}
dump_func(std::move(tail)...);
}
#define dump(...) cerr << "[" + string(#__VA_ARGS__) + "] ", dump_func(__VA_ARGS__)
#else
#define dump(...) static_cast<int>(0)
#endif
constexpr int N = 2 * 100000 * 32;
constexpr int OFFSET = 100000 * 32;
int MP[31][N];
int SUMS[31];
void solve() {
int n;
cin >> n;
vector<int> a(n);
rep(i, 0, n) cin >> a[i];
ll ans = 0;
auto DnC = [&](auto&& self, int l, int r) -> void {
if (l + 1 == r) return;
int m = (l + r) / 2;
self(self, l, m);
self(self, m, r);
rep(x, 1, 31) {
int sum = 0;
rep(i, m, r) {
sum += a[i];
if (x != a[i]) {
MP[x][(i - m + 1) * x - sum + OFFSET]++;
SUMS[x]++;
}
}
}
{
int sum = 0;
rrep(i, m, l) {
sum += a[i];
ans += SUMS[a[i]] - MP[a[i]][sum - a[i] * (m - i) + OFFSET];
}
}
rep(x, 1, 31) {
int sum = 0;
rep(i, m, r) {
sum += a[i];
if (x != a[i]) {
MP[x][(i - m + 1) * x - sum + OFFSET]--;
SUMS[x]--;
}
}
}
};
DnC(DnC, 0, n);
cout << ans + 1 << '\n';
}
int main() {
int t = 1;
while (t--) solve();
}
nono00