結果
| 問題 | No.3524 二進範囲更新範囲和取得 |
| コンテスト | |
| ユーザー |
👑 |
| 提出日時 | 2025-02-06 17:34:51 |
| 言語 | C++17 (gcc 15.2.0 + boost 1.89.0) |
| 結果 |
MLE
(最新)
AC
(最初)
|
| 実行時間 | - |
| コード長 | 6,912 bytes |
| 記録 | |
| コンパイル時間 | 4,914 ms |
| コンパイル使用メモリ | 284,132 KB |
| 実行使用メモリ | 709,824 KB |
| 平均クエリ数 | 367.69 |
| 最終ジャッジ日時 | 2026-05-01 20:56:06 |
| 合計ジャッジ時間 | 44,981 ms |
|
ジャッジサーバーID (参考情報) |
judge2_0 / judge3_0 |
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| ファイルパターン | 結果 |
|---|---|
| other | AC * 21 MLE * 24 |
ソースコード
#include<bits/stdc++.h>
#include<atcoder/all>
#define rep(i,n) for(int i=0;i<n;i++)
using namespace std;
using namespace atcoder;
typedef long long ll;
typedef vector<int> vi;
typedef vector<long long> vl;
typedef vector<vector<int>> vvi;
typedef vector<vector<long long>> vvl;
typedef long double ld;
typedef pair<int, int> P;
template <int m> ostream& operator<<(ostream& os, const static_modint<m>& a) {os << a.val(); return os;}
template <int m> ostream& operator<<(ostream& os, const dynamic_modint<m>& a) {os << a.val(); return os;}
template <int m> istream& operator>>(istream& is, static_modint<m>& a) {long long x; is >> x; a = x; return is;}
template <int m> istream& operator>>(istream& is, dynamic_modint<m>& a) {long long x; is >> x; a = x; return is;}
template<typename T> istream& operator>>(istream& is, vector<T>& v){int n = v.size(); assert(n > 0); rep(i, n) is >> v[i]; return is;}
template<typename U, typename T> ostream& operator<<(ostream& os, const pair<U, T>& p){os << p.first << ' ' << p.second; return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : " "); return os;}
template<typename T> ostream& operator<<(ostream& os, const vector<vector<T>>& v){int n = v.size(); rep(i, n) os << v[i] << (i == n - 1 ? "\n" : ""); return os;}
template<typename T> ostream& operator<<(ostream& os, const set<T>& se){for(T x : se) os << x << " "; os << "\n"; return os;}
template<typename T> ostream& operator<<(ostream& os, const unordered_set<T>& se){for(T x : se) os << x << " "; os << "\n"; return os;}
template<typename S, auto op, auto e> ostream& operator<<(ostream& os, const atcoder::segtree<S, op, e>& seg){int n = seg.max_right(0, [](S){return true;}); rep(i, n) os << seg.get(i) << (i == n - 1 ? "\n" : " "); return os;}
template<typename S, auto op, auto e, typename F, auto mapping, auto composition, auto id> ostream& operator<<(ostream& os, const atcoder::lazy_segtree<S, op, e, F, mapping, composition, id>& seg){int n = seg.max_right(0, [](S){return true;}); rep(i, n) os << seg.get(i) << (i == n - 1 ? "\n" : " "); return os;}
template<typename T> void chmin(T& a, T b){a = min(a, b);}
template<typename T> void chmax(T& a, T b){a = max(a, b);}
// 18:25 Start
// monoid?
// f(x, d) = x^d + 1
// f(x, d) + f(y, d) is not descriptable by x + y
// f(f(x, d1), d2) is not descriptable by f(x, g(d1, d2))
// 19:25 cnt_ix = #{j \in S_i| a_j = x (mod B)} ?
// 19:30 O(Q^2) is ok <- ?
// 19:39
// case I: #S_i < sqrt(N) naive
// case II: #S_i > sqrt(N) memoize
// 19:59 O(Q^2B) simply process cnt_ix
// 20:00 break
// 20:36 Start Implementation O(Q^2B) -> ng
// 21:00 break
// 17:00 Restart
// O(Q^2B) or less
// algorithm is just like dfs
// on query t
// y = 1, 2 or 3, 4 or , ... , x
// dfs_in: evaluating latest updates until t
// dfs_out: evaluating t-th update
// https://ei1333.github.io/luzhiled/snippets/math/mod-pow.html
template< typename T >
T mod_pow(T x, T n, const T &p) {
T ret = 1;
while(n > 0) {
if(n & 1) (ret *= x) %= p;
(x *= x) %= p;
n >>= 1;
}
return ret;
}
/*
int main(){
int n, b, q;
cin >> n >> b >> q;
vector<vector<int>> cnt_init(n + 1, vector<int>(b));
auto f = [&](int x, int y, auto f){
if(y > n) return;
cnt_init[x][y % b]++;
f(x, y * 2, f);
f(x, y * 2 + 1, f);
};
for(int x = 1; x <= n; x++){
f(x, x, f);
}
vector<vector<int>> cnt(n + 1, vector<int>(b));
vector<int> Q;
vector<vector<int>> transfer(q, vector<int>(b));
rep(iq, q){
int i;
long long d;
cin >> i >> d;
Q.push_back(i);
rep(x, b){
transfir[iq][x] = (pow_mod(x, d, b) + 1) % b;
}
rep(jq, iq){
}
}
return 0;
}
*/
/*
int main(){
int n, b, q;
cin >> n >> b >> q;
vector<int> last_update(n + 1, -1);
int r = sqrt(n);
vector<vector<int>> cnt(r + 1, vector<int>(b));
for(int x = 1; x <= r; x++){
queue<int> qu;
qu.push(x);
while(qu.size()){
auto y = qu.front(); qu.pop();
if(y > n) continue;
cnt[x][y % b]++;
qu.push(2 * y);
qu.push(2 * y + 1);
}
}
auto is_ancestor = [&](int a, int b){
};
vector<pair<int, long long>> Q(q, {-1, -1LL});
rep(t, q){
int i;
long long d;
cin >> i >> d;
if(i <= r){
Q[t] = {i, d};
}else{
}
}
return 0;
}
*/
/*
int main(){
int n, b, q;
cin >> n >> b >> q;
vector<vector<int>> cnt(n + 1, vector<int>(b));
for(int x = 1; x <= n; x++){
queue<int> qu;
qu.push(x);
while(qu.size()){
auto y = qu.front(); qu.pop();
if(y > n) continue;
cnt[x][y % b]++;
qu.push(2 * y);
qu.push(2 * y + 1);
}
}
vector<vector<int>> memo(n + 1);
vector<pair<int>> Q(q);
vector<vector<int>> transfer(q, vector<int>(b));
// y \in S_x
auto in = [&](int y, int x){
while(y >= x){
if(y == x) return true;
y /= x;
}
return false;
};
rep(t1, q){
int x;
long long d;
cin >> x >> d;
memo[x].push_back(t);
Q[t1] = x;
rep(x, b){
transfer[t1][x] = pow_mod<long long>(x, d, b) + 1;
}
for(int t2 = 0; t2 <= t1; t2++){
int y = Q[t2];
// y \in S_x and x != y
if(in(y, x) and x != y){
rep(i, b) cnt_sub[i] -= cnt[y][i];
rep(i, b) cnt_sub[i] += cnt[y][i] * transfer[t2][];
}
// x \in S_y
if(in(x, y)){
rep(i, b) transfer_sub[i] = transfer[t2][transfer_sub[i]];
}
}
}
return 0;
}
*/
int main(){
int n, b, q;
cin >> n >> b >> q;
vector<vector<int>> cnt(n + 1, vector<int>(b));
for(int x = 1; x <= n; x++){
queue<int> qu;
qu.push(x);
while(qu.size()){
auto y = qu.front(); qu.pop();
if(y > n) continue;
cnt[x][y % b]++;
qu.push(2 * y);
qu.push(2 * y + 1);
}
}
vector<int> last_update(n + 1, -1);
vector<vector<int>> memo(n + 1);
vector<vector<int>> transfer(q, vector<int>(b));
auto calc = [&](int x){
int res = 0;
rep(i, b) res += cnt[x][i] * i;
return res % b;
};
rep(t1, q){
int x;
long long d;
cin >> x >> d;
rep(i, b){
transfer[t1][i] = (mod_pow<long long>(i, d, b) + 1) % b;
}
vector<int> route;
{
int y = x;
while(y > 0){
route.push_back(y);
y /= 2;
}
reverse(route.begin(), route.end());
}
vector<int> updates;
for(int y : route){
for(int t2 : memo[y]) updates.push_back(t2);
sort(updates.begin(), updates.end());
for(int t2 : updates){
if(t2 > last_update[y]){
vector<int> tmp(b);
rep(i, b) tmp[transfer[t2][i]] += cnt[y][i];
swap(cnt[y], tmp);
}
}
last_update[y] = t1;
}
vector<int> delta(b);
{
rep(i, b) delta[i] -= cnt[x][i];
vector<int> tmp(b);
rep(i, b) tmp[transfer[t1][i]] += cnt[x][i];
rep(i, b) delta[i] += tmp[i];
}
for(int y : route){
rep(i, b) cnt[y][i] += delta[i];
}
// cout << cnt;
int ans = calc(x);
cout << ans << "\n";
memo[x].push_back(t1);
}
// cout << transfer;
return 0;
}