Submission #534585

# Submission time Handle Problem Language Result Execution time Memory
534585 2022-03-08T10:53:24 Z Danilo21 Sterilizing Spray (JOI15_sterilizing) C++14
5 / 100
5000 ms 66248 KB
#include <bits/stdc++.h>

#define ll long long
#define ld long double
#define pb push_back
#define fi first
#define se second
#define en '\n'
#define sp ' '
#define tb '\t'
#define ri(n) int n; cin >> n
#define rl(n) ll n; cin >> n
#define rs(s) string s; cin >> s
#define rc(c) char c; cin >> c
#define rv(v) for (auto &x : v) cin >> x
#define pven(v) for (auto x : v) cout << x << en
#define pv(v) for (auto x : v) cout << x << sp; cout << en
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()
#define yes cout << "YES" << en
#define no cout << "NO" << en
#define smin(a, b) a = min(a, b)
#define smax(a, b) a = max(a, b)
#define ssort(a, b) if (a < b) swap(a, b)
#define bitcnt(a) __builtin_popcountll(a)
#define bithigh(a) 63-__builtin_clzll(a)
#define lg bithigh
ll highpow(ll a) { return 1LL << (ll)lg(a); }

using namespace std;

template<class T>
class segtree{
private:
    int n;
    vector<T> tree, lazy;
    vector<bool> f;
    void init(int n){
        this->n = n;
        if (highpow(n)^n) this->n = 2*highpow(n);
        this->tree = vector<T>(2 * this->n, T());
        this->lazy = vector<T>(2 * this->n, T());
        this->f = vector<bool>(2 * this->n, 0);
    }
    T build(int s, int l, int r, auto* arr){
        if (l == r) return this->tree[s] = T(arr[l]);

        int m = (l + r) / 2;
        T a = build(2*s, l, m, arr);
        T b = build(2*s+1, m+1, r, arr);
        return this->tree[s] = T::op(a, b);
    }
    T update(int s, int l, int r, int ul, int ur, T x){
        eval_lazy(s, l, r);
        if (l > ur || r < ul) return this->tree[s];
        if (l >= ul && r <= ur){
            this->lazy[s].up(x);
            this->f[s] = 1;
            eval_lazy(s, l, r);
            return this->tree[s];
        }

        int m = (l + r) / 2;
        T a = update(2*s, l, m, ul, ur, x);
        T b = update(2*s+1, m+1, r, ul, ur, x);
        return this->tree[s] = T::op(a, b);
    }
    T query(int s, int l, int r, int ql, int qr) {
        eval_lazy(s, l, r);
        if (l > qr || r < ql) return T::null_v();
        if (l >= ql && r <= qr) return this->tree[s];

        int m = (l + r) / 2;
        T a = query(2*s, l, m, ql, qr);
        T b = query(2*s+1, m+1, r, ql, qr);
        return T::op(a, b);
    }
    void eval_lazy(int s, int l, int r){
        if (!this->f[s]) return;
        this->tree[s].lazy_op(this->lazy[s], r-l+1);
        if (l^r){
            this->lazy[2*s].up(this->lazy[s]);
            this->f[2*s] = 1;
            this->lazy[2*s+1].up(this->lazy[s]);
            this->f[2*s+1] = 1;
        }
        this->lazy[s] = T();
        this->f[s] = 0;
    }
public:
    segtree(int n = 0){ init(n); }
    segtree(int n, auto* arr){ init(n); build(1, 0, this->n - 1, arr); }

    void update(int l, int r, auto x) { update(1, 0, this->n-1, l, r, T(x)); }
    auto query(int l, int r) { if (l>r) return T::null_v().val; return query(1, 0, this->n-1, l, r).val; }

    void logTree() const { for (int i = 1; i < 2*this->n; i++) this->tree[i].log(); cerr << endl; }
    void logLazy() const { for (int i = 1; i < 2*this->n; i++) this->lazy[i].log(); cerr << endl; }
};
class sum_t{
public:
    ll val;

    sum_t(ll val = 0){ this->val = val; }
    static sum_t null_v(){ return sum_t(0); }

    static sum_t op(const sum_t& a, const sum_t& b){ return a + b; }
    // This is currently on set mode but it can be on add.
    sum_t up(const sum_t& a){ return *this = a; }
    void lazy_op(const sum_t& a, int l){ up(sum_t(a.val * l)); }

    sum_t operator =(const sum_t& a){ this->val = a.val; return *this; }
    sum_t operator +=(const sum_t& a) { this->val += a.val; return *this; }
    sum_t operator -=(const sum_t& a) { this->val -= a.val; return *this; }
    sum_t operator +(const sum_t& a) const { return sum_t(this->val + a.val); }
    sum_t operator -(const sum_t& a) const { return sum_t(this->val - a.val); }
    bool operator ==(const sum_t& a) const { return this->val == a.val; }
    bool operator !=(const sum_t& a) const { return this->val != a.val; }

    void Print() const { cout << this->val << sp; }
    void log() const { cerr << this->val << sp; }
};
class set_t{
public:
    set<int> val;

    set_t(ll val = -1){ if (~val) this->val.insert(val); }
    static set_t null_v() { return set_t(); }

    static set_t op(const set_t& a, const set_t& b){
        set_t s;
        s.val = a.val;
        for (int x : b.val) s.val.insert(x);
        return s;
    }
    set_t up(const set_t& a){ return *this = a; }
    void lazy_op(const set_t& a, int l){ up(a); }

    set_t operator=(const set_t& a){ this->val = a.val; return *this; }
};

const ll LINF = 4e18;
const int mxN = 2e5+10, INF = 2e9, mod = (1 ? 1e9+7 : 998244353);
ll n, q, m, a[mxN];
segtree<sum_t>* st1;
segtree<set_t>* st2;

void Solve(){

    cin >> n >> q >> m;
    memset(a, -1, sizeof(a));
    for (int i = 0; i < n; i++) if (a[i]) a[i] = i;
    st2 = new segtree<set_t>(n, a);
    memset(a, 0, sizeof(a));
    for (int i = 0; i < n; i++)
        cin >> a[i];
    st1 = new segtree<sum_t>(n, a);
    while (q--){
        ri(t);
        if (t == 1){
            ri(i); i--; ri(x);
            int y = st1->query(i, i);
            st1->update(i, i, x);
            if (y && !x) st2->update(i, i, -1);
            if (!y && x) st2->update(i, i, i);
        }
        if (t == 2){
            ri(l); ri(r);
            l--; r--;
            set<int> s = st2->query(l, r);
            for (int i : s){
                int x = st1->query(i, i);
                st1->update(i, i, x/m);
                if (!(x/m)) st2->update(i, i, -1);
            }
        }
        if (t == 3){
            ri(l); ri(r);
            l--; r--;
            cout << st1->query(l, r) << en;
        }
    }
}

int main(){

    ios::sync_with_stdio(false);
    cin.tie(0); cout.tie(0); cerr.tie(0);
    cout << setprecision(12) << fixed;
    cerr << setprecision(12) << fixed;
    cerr << "Started!" << endl;

    int t = 1;
    //cin >> t;
    while (t--)
        Solve();

    return 0;
}

Compilation message

sterilizing.cpp: In function 'long long int highpow(long long int)':
sterilizing.cpp:26:22: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   26 | #define bithigh(a) 63-__builtin_clzll(a)
      |                      ^
sterilizing.cpp:27:12: note: in expansion of macro 'bithigh'
   27 | #define lg bithigh
      |            ^~~~~~~
sterilizing.cpp:28:38: note: in expansion of macro 'lg'
   28 | ll highpow(ll a) { return 1LL << (ll)lg(a); }
      |                                      ^~
sterilizing.cpp: At global scope:
sterilizing.cpp:45:34: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   45 |     T build(int s, int l, int r, auto* arr){
      |                                  ^~~~
sterilizing.cpp:92:20: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   92 |     segtree(int n, auto* arr){ init(n); build(1, 0, this->n - 1, arr); }
      |                    ^~~~
sterilizing.cpp:94:31: warning: use of 'auto' in parameter declaration only available with '-fconcepts-ts'
   94 |     void update(int l, int r, auto x) { update(1, 0, this->n-1, l, r, T(x)); }
      |                               ^~~~
# Verdict Execution time Memory Grader output
1 Correct 17 ms 1988 KB Output is correct
2 Correct 38 ms 2508 KB Output is correct
3 Correct 435 ms 3660 KB Output is correct
4 Correct 401 ms 3420 KB Output is correct
5 Correct 1631 ms 5320 KB Output is correct
6 Correct 1531 ms 5320 KB Output is correct
7 Correct 1492 ms 5188 KB Output is correct
8 Correct 1654 ms 5188 KB Output is correct
9 Correct 1689 ms 5220 KB Output is correct
10 Correct 1877 ms 5212 KB Output is correct
11 Correct 1737 ms 5256 KB Output is correct
12 Correct 1571 ms 5216 KB Output is correct
# Verdict Execution time Memory Grader output
1 Execution timed out 5089 ms 60552 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 5064 ms 8908 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 5096 ms 66248 KB Time limit exceeded
2 Halted 0 ms 0 KB -