oj.uz

Submission #791372

# Submission time Handle Problem Language Result Execution time Memory
791372 2023-07-24T04:24:55 Z Cookie Sterilizing Spray (JOI15_sterilizing) C++14
75 / 100
 230 ms 9960 KB 
#include<bits/stdc++.h>
#include<fstream>
#pragma GCC optimize("Ofast,O3,unroll-loops")
#pragma GCC target("avx2")
using namespace std;
//ifstream fin("FEEDING.INP");
//ofstream fout("FEEDING.OUT");
#define sz(a) (int)a.size()
#define ll long long
#define pb push_back
#define forr(i, a, b) for(int i = a; i < b; i++)
#define dorr(i, a, b) for(int i = a; i >= b; i--)
#define ld long double
#define vt vector
#include<fstream>
#define fi first
#define se second
#define pll pair<ll, ll>
#define pii pair<int, int>
const int mxn = 1e5 + 5, base = 74;
const ll p = 31, mod = 1e9 + 7;
int n, q, k;
ll sm[4 * mxn + 1], mx[4 * mxn + 1], bad[4 * mxn + 1], c[mxn + 1];
void push(int nd){
    if(bad[nd]){
        bad[nd << 1] = bad[nd << 1 | 1] = 1;
        sm[nd << 1] = sm[nd << 1 | 1] = mx[nd << 1] = mx[nd << 1 | 1] = 0;
    }
}
void upd(int nd, int l, int r, int id, int v){
    if(id < l || id > r)return;
    if(l == r){
        sm[nd] = mx[nd] = v;
        bad[nd] = !v;
        return;
    }
    int mid = (l + r) >> 1;
    push(nd);
    upd(nd << 1, l, mid, id, v); upd(nd << 1 | 1, mid + 1, r, id, v);
    sm[nd] = sm[nd << 1] + sm[nd << 1 | 1];
    mx[nd] = max(mx[nd << 1], mx[nd << 1 | 1]);
    bad[nd] = (mx[nd] == 0);
}
void upd2(int nd, int l, int r, int ql, int qr){
    if(ql > r || qr < l)return;
    if(ql <= l && qr >= r){
        if(mx[nd] < k){
            bad[nd] = 1; sm[nd] = 0; mx[nd] = 0;
            return;
        }else if(l == r){
            mx[nd] /= k; sm[nd] /= k; 
            return;
        }
        
    }
    int mid = (l + r) >> 1;
    push(nd);
    upd2(nd << 1, l, mid, ql, qr); upd2(nd << 1 | 1, mid + 1, r, ql, qr);
    sm[nd] = sm[nd << 1] + sm[nd << 1 | 1];
    mx[nd] = max(mx[nd << 1], mx[nd << 1 | 1]);
    bad[nd] = (mx[nd] == 0);
}
ll get(int nd, int l, int r, int ql, int qr){
    if(ql > r || qr < l)return(0);
    if(ql <= l && qr >= r)return(sm[nd]);
    push(nd);
    int mid = (l + r) >> 1;
    return(get(nd << 1, l, mid, ql, qr) + get(nd << 1 | 1, mid + 1, r, ql, qr));
}
void solve2(){
    for(int i = 1; i <= n; i++){
        cin >> c[i];
        upd(1, 1, n, i, c[i]);
    }
    while(q--){
        int idq; cin >> idq;
        if(idq == 1){
            int id, v; cin >> id >> v;
            upd(1, 1, n, id, v);
        }else if(idq == 2){
            int l, r; cin >> l >> r;
            upd2(1, 1, n, l, r);
        }else{
            int l, r; cin >> l >> r;
            cout << get(1, 1, n, l, r) << "\n";
        }
    }
}
ll bit[mxn + 1];
void upd(int p, ll v){
    while(p <= n){
        bit[p] += v; p += p & (-p);
    }
}
ll get(int p){
    ll ans =0 ;
    while(p){
        ans += bit[p]; p -= p & (-p);
    }
    return(0);
}
void solve1(){
    for(int i = 1; i <= n; i++){
        cin >> c[i]; upd(i, c[i]);
    }
    while(q--){
        int idq; cin >> idq;
        if(idq == 1){
            int id, v; cin >> id >> v;
            upd(id, -c[id]); upd(id, v); c[id] = v;
        }else if(idq == 2){
            int l, r; cin >> l >> r;
            
        }else{
            int l, r; cin >> l >> r;
            cout << get(r) - get(l - 1) << "\n";
        }
    }
}

signed main()
{
     ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> n >> q >> k;
    if(k == 1){
        solve1();
    }else{
        solve2();
    }
    return(0);
}

Subtask #1
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 340 KB Output is correct
2 Incorrect 1 ms 340 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 24 ms 3020 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 22 ms 1244 KB Output is correct
2 Correct 15 ms 3992 KB Output is correct
3 Correct 21 ms 4164 KB Output is correct
4 Correct 46 ms 3240 KB Output is correct
5 Correct 67 ms 8656 KB Output is correct
6 Correct 67 ms 8680 KB Output is correct
7 Incorrect 24 ms 3320 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #4
75.0 / 75.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 5528 KB Output is correct
2 Correct 85 ms 5684 KB Output is correct
3 Correct 96 ms 5080 KB Output is correct
4 Correct 109 ms 4044 KB Output is correct
5 Correct 131 ms 9960 KB Output is correct
6 Correct 141 ms 9948 KB Output is correct
7 Correct 124 ms 9932 KB Output is correct
8 Correct 173 ms 9940 KB Output is correct
9 Correct 152 ms 9848 KB Output is correct
10 Correct 180 ms 9860 KB Output is correct
11 Correct 131 ms 9804 KB Output is correct
12 Correct 230 ms 9892 KB Output is correct