Submission #535899

# Submission time Handle Problem Language Result Execution time Memory
535899 2022-03-11T17:45:10 Z Danilo21 Sterilizing Spray (JOI15_sterilizing) C++14
10 / 100
116 ms 10492 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; }
};

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>* st;
set<int> s;

void Solve(){

    cin >> n >> q >> m;
    for (int i = 0; i < n; i++)
        cin >> a[i];
    for (int i = 0; i < n; i++)
        if (a[i]) s.insert(i);
    st = new segtree<sum_t>(n, a);
    while (q--){
        ri(t);
        if (t == 1){
            ri(i); i--; ri(x);
            if (*s.lower_bound(i) == i) s.erase(i);
            st->update(i, i, x);
            if (x) s.insert(i);
        }
        if (t == 2){
            ri(l); ri(r);
            l--; r--;
            if (m^1){
                for (auto it = s.lower_bound(l); it != s.end() && *it <= r; ++it){
                    int i = *it;
                    ll x = st->query(i, i);
                    st->update(i, i, x / m);
                    if (x / m == 0) s.erase(i);
                }
            }
        }
        if (t == 3){
            ri(l); ri(r);
            l--; r--;
            cout << st->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 Runtime error 1 ms 468 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 72 ms 5408 KB Output is correct
2 Correct 63 ms 4584 KB Output is correct
3 Correct 65 ms 8932 KB Output is correct
4 Correct 91 ms 10188 KB Output is correct
5 Correct 105 ms 10492 KB Output is correct
6 Correct 104 ms 10372 KB Output is correct
7 Correct 116 ms 10348 KB Output is correct
8 Correct 103 ms 10348 KB Output is correct
9 Correct 99 ms 10404 KB Output is correct
10 Correct 112 ms 10408 KB Output is correct
11 Correct 103 ms 10452 KB Output is correct
12 Correct 103 ms 10460 KB Output is correct
# Verdict Execution time Memory Grader output
1 Runtime error 2 ms 1364 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 78 ms 10340 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -