Submission #535901

# Submission time Handle Problem Language Result Execution time Memory
535901 2022-03-11T18:08:38 Z Danilo21 Sterilizing Spray (JOI15_sterilizing) C++14
10 / 100
116 ms 10412 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.count(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 66 ms 5532 KB Output is correct
2 Correct 59 ms 4528 KB Output is correct
3 Correct 73 ms 8892 KB Output is correct
4 Correct 94 ms 10168 KB Output is correct
5 Correct 97 ms 10392 KB Output is correct
6 Correct 100 ms 10304 KB Output is correct
7 Correct 116 ms 10328 KB Output is correct
8 Correct 105 ms 10324 KB Output is correct
9 Correct 93 ms 10336 KB Output is correct
10 Correct 100 ms 10412 KB Output is correct
11 Correct 115 ms 10380 KB Output is correct
12 Correct 108 ms 10356 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 74 ms 10340 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -