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QOJ
ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#247876 | #7627. Phony | ucup-team088# | WA | 5ms | 12160kb | C++17 | 10.7kb | 2023-11-11 16:23:27 | 2023-11-11 16:23:27 |
Judging History
answer
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include<iostream>
#include<string>
#include<cstdio>
#include<vector>
#include<cmath>
#include<algorithm>
#include<functional>
#include<iomanip>
#include<queue>
#include<ciso646>
#include<random>
#include<map>
#include<set>
#include<bitset>
#include<stack>
#include<unordered_map>
#include<unordered_set>
#include<utility>
#include<cassert>
#include<complex>
#include<numeric>
#include<array>
#include<chrono>
using namespace std;
//#define int long long
typedef long long ll;
typedef unsigned long long ul;
typedef unsigned int ui;
//ll mod = 1;
constexpr ll mod = 998244353;
//constexpr ll mod = 1000000007;
const int mod17 = 1000000007;
const ll INF = (ll)mod17 * mod17;
typedef pair<int, int>P;
#define rep(i,n) for(int i=0;i<n;i++)
#define per(i,n) for(int i=n-1;i>=0;i--)
#define Rep(i,sta,n) for(int i=sta;i<n;i++)
#define rep1(i,n) for(int i=1;i<=n;i++)
#define per1(i,n) for(int i=n;i>=1;i--)
#define Rep1(i,sta,n) for(int i=sta;i<=n;i++)
#define all(v) (v).begin(),(v).end()
typedef pair<ll, ll> LP;
using ld = double;
typedef pair<ld, ld> LDP;
const ld eps = 1e-10;
const ld pi = acosl(-1.0);
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);
}
template<typename T>
vector<T> vmerge(vector<T>& a, vector<T>& b) {
vector<T> res;
int ida = 0, idb = 0;
while (ida < a.size() || idb < b.size()) {
if (idb == b.size()) {
res.push_back(a[ida]); ida++;
}
else if (ida == a.size()) {
res.push_back(b[idb]); idb++;
}
else {
if (a[ida] < b[idb]) {
res.push_back(a[ida]); ida++;
}
else {
res.push_back(b[idb]); idb++;
}
}
}
return res;
}
template<typename T>
void cinarray(vector<T>& v) {
rep(i, v.size())cin >> v[i];
}
template<typename T>
void coutarray(vector<T>& v) {
rep(i, v.size()) {
if (i > 0)cout << " "; cout << v[i];
}
cout << "\n";
}
ll mod_pow(ll x, ll n, ll m = mod) {
if (n < 0) {
ll res = mod_pow(x, -n, m);
return mod_pow(res, m - 2, m);
}
if (abs(x) >= m)x %= m;
if (x < 0)x += m;
//if (x == 0)return 0;
ll res = 1;
while (n) {
if (n & 1)res = res * x % m;
x = x * x % m; n >>= 1;
}
return res;
}
//mod should be <2^31
struct modint {
int n;
modint() :n(0) { ; }
modint(ll m) {
if (m < 0 || mod <= m) {
m %= mod; if (m < 0)m += mod;
}
n = m;
}
operator int() { return n; }
};
bool operator==(modint a, modint b) { return a.n == b.n; }
bool operator<(modint a, modint b) { return a.n < b.n; }
modint operator+=(modint& a, modint b) { a.n += b.n; if (a.n >= mod)a.n -= (int)mod; return a; }
modint operator-=(modint& a, modint b) { a.n -= b.n; if (a.n < 0)a.n += (int)mod; return a; }
modint operator*=(modint& a, modint b) { a.n = ((ll)a.n * b.n) % mod; return a; }
modint operator+(modint a, modint b) { return a += b; }
modint operator-(modint a, modint b) { return a -= b; }
modint operator*(modint a, modint b) { return a *= b; }
modint operator^(modint a, ll n) {
if (n == 0)return modint(1);
modint res = (a * a) ^ (n / 2);
if (n % 2)res = res * a;
return res;
}
ll inv(ll a, ll p) {
return (a == 1 ? 1 : (1 - p * inv(p % a, a)) / a + p);
}
modint operator/(modint a, modint b) { return a * modint(inv(b, mod)); }
modint operator/=(modint& a, modint b) { a = a / b; return a; }
const int max_n = 1 << 20;
modint fact[max_n], factinv[max_n];
void init_f() {
fact[0] = modint(1);
for (int i = 0; i < max_n - 1; i++) {
fact[i + 1] = fact[i] * modint(i + 1);
}
factinv[max_n - 1] = modint(1) / fact[max_n - 1];
for (int i = max_n - 2; i >= 0; i--) {
factinv[i] = factinv[i + 1] * modint(i + 1);
}
}
modint comb(int a, int b) {
if (a < 0 || b < 0 || a < b)return 0;
return fact[a] * factinv[b] * factinv[a - b];
}
modint combP(int a, int b) {
if (a < 0 || b < 0 || a < b)return 0;
return fact[a] * factinv[a - b];
}
ll gcd(ll a, ll b) {
a = abs(a); b = abs(b);
if (a < b)swap(a, b);
while (b) {
ll r = a % b; a = b; b = r;
}
return a;
}
template<typename T>
void addv(vector<T>& v, int loc, T val) {
if (loc >= v.size())v.resize(loc + 1, 0);
v[loc] += val;
}
/*const int mn = 2000005;
bool isp[mn];
vector<int> ps;
void init() {
fill(isp + 2, isp + mn, true);
for (int i = 2; i < mn; i++) {
if (!isp[i])continue;
ps.push_back(i);
for (int j = 2 * i; j < mn; j += i) {
isp[j] = false;
}
}
}*/
//[,val)
template<typename T>
auto prev_itr(set<T>& st, T val) {
auto res = st.lower_bound(val);
if (res == st.begin())return st.end();
res--; return res;
}
//[val,)
template<typename T>
auto next_itr(set<T>& st, T val) {
auto res = st.lower_bound(val);
return res;
}
using mP = pair<modint, modint>;
mP operator+(mP a, mP b) {
return { a.first + b.first,a.second + b.second };
}
mP operator+=(mP& a, mP b) {
a = a + b; return a;
}
mP operator-(mP a, mP b) {
return { a.first - b.first,a.second - b.second };
}
mP operator-=(mP& a, mP b) {
a = a - b; return a;
}
LP operator+(LP a, LP b) {
return { a.first + b.first,a.second + b.second };
}
LP operator+=(LP& a, LP b) {
a = a + b; return a;
}
LP operator-(LP a, LP b) {
return { a.first - b.first,a.second - b.second };
}
LP operator-=(LP& a, LP b) {
a = a - b; return a;
}
mt19937 mt(time(0));
const string drul = "DRUL";
string senw = "SENW";
//DRUL,or SENW
//int dx[4] = { 1,0,-1,0 };
//int dy[4] = { 0,1,0,-1 };
//------------------------------------
template<typename T>
struct BIT {
private:
vector<T> node; int n;
public:
BIT(int n_) {
n = n_; node.resize(n, 0);
}
//0-indexed
void add(int a, T w) {
for (int i = a; i < n; i |= i + 1)node[i] += w;
}
//[0,a)
T sum(int a) {
T ret = 0;
for (int i = a - 1; i >= 0; i = (i & (i + 1)) - 1)ret += node[i];
return ret;
}
//[a,b)
T sum(int a, int b) {
return sum(b) - sum(a);
}
};
using T = __int128;
void solve() {
int n, q; ll k; cin >> n >> q >> k;
vector<ll> a(n);
rep(i, n)cin >> a[i];
sort(all(a));
vector<LP> rs;
rep(i, n)rs.push_back({ a[i] % k,i });
sort(all(rs));
vector<int> locs(n);
rep(i, n)locs[rs[i].second] = i;
BIT<int> bt(n);
BIT<int> bttmp(n);
vector<pair<T, int>> qs;
T sumq = 0;
rep(i, q) {
char typ; cin >> typ;
if (typ == 'A') {
int x; cin >> x;
qs.push_back({ sumq,x });
}
else {
ll x; cin >> x;
sumq += x;
}
}
T sum = 0;
vector < pair<ll, P>> vp;
rep(i, n) {
int le = i;
while (i + 1 < n&&a[i] / k == a[i + 1] / k)i++;
vp.push_back({ a[i] / k,{le,i + 1} });
}
int loc = 0;
auto getxs = [&](int x) {
int cl = -1, cr = n;
while (cr - cl > 1) {
int mid = (cl + cr) / 2;
int c = bt.sum(0,mid);
if (c > x)cr = mid;
else cl = mid;
}
return cl;
};
vector<ll> ans;
int cnt = 0;
per(i, vp.size()) {
int le = vp[i].second.first;
int ri = vp[i].second.second;
Rep(j, le, ri) {
bttmp.add(locs[j], 1);
}
cnt += vp[i].second.second - vp[i].second.first;
ll dif = vp[i].first;
if (i > 0)dif -= vp[i - 1].first;
else {
dif += INF;
}
while (loc < qs.size() && qs[loc].first <= sum + (T)(dif - 1) * cnt) {
T dif = qs[loc].first - sum;
ll dd = dif / cnt;
ll r = dif % cnt;
int x = qs[loc].second;
ll ansval;
if (x > cnt) {
ansval = a[n - x];
}
else if (x <= cnt - r) {
int v = getxs(cnt - r - x);
ansval = (vp[i].first - dd) * k + rs[v].first;
}
else {
x -= cnt - r;
int v = getxs(cnt-x);
ansval = (vp[i].first - dd - 1) * k + rs[v].first;
}
ans.push_back(ansval);
loc++;
}
while (loc < qs.size() && qs[loc].first <= sum + (T)dif * cnt) {
T dif = qs[loc].first - sum;
ll dd = dif / cnt;
ll r = dif % cnt;
int x = qs[loc].second;
ll ansval;
if (x <= cnt - r) {
int v = getxs(cnt - r - x);
ansval = (vp[i].first - dd) * k + rs[v].first;
}
else {
x -= cnt - r;
int vv = getxs(cnt - r);
//cout << "?? " << vv << "\n";
int cl = -1, cr = n;
while (cr - cl > 1) {
int mid = (cl + cr) / 2;
int num = 0;
num += bt.sum(max(mid, vv), n);
num += bttmp.sum(mid, n);
if (num >= x) {
cl = mid;
}
else {
cr = mid;
}
}
//cout << "?? " << cl << "\n";
ansval = (vp[i].first - dd - 1) * k + rs[cl].first;
}
ans.push_back(ansval);
loc++;
}
//cout << loc << ans.size() << "\n";
Rep(j, le, ri) {
bttmp.add(locs[j], -1);
bt.add(locs[j], 1);
}
sum += (T)dif * cnt;
}
assert(loc == qs.size());
//cout << qs.size() << "\n";
for (auto v : ans)cout << v << "\n";
/*ll dr = 0;
ll dd = 0;
rep(i, q) {
char typ; cin >> typ;
if (typ == 'A') {
int x; cin >> x; x--;
ll ans;
if (loc == vp.size()) {
ans = a[n - x];
}
else {
}
}
else {
ll x; cin >> x;
}
}*/
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(0);
//cout << fixed<<setprecision(10);
//init_f();
//init();
//init2();
//while(true)
//expr();
//int t; cin >> t; rep(i, t)
solve();
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 4ms
memory: 12160kb
input:
3 5 5 7 3 9 A 3 C 1 A 2 C 2 A 3
output:
3 4 -1
result:
ok 3 lines
Test #2:
score: -100
Wrong Answer
time: 5ms
memory: 11904kb
input:
5 8 8 294 928 293 392 719 A 4 C 200 A 5 C 10 A 2 C 120 A 1 A 3
output:
294 200 191 0 -1
result:
wrong answer 5th lines differ - expected: '-2', found: '-1'