oj.uz

Submission #816811

# Submission time Handle Problem Language Result Execution time Memory
816811 2023-08-09T06:49:58 Z Cookie Two Antennas (JOI19_antennas) C++14
100 / 100
 630 ms 77452 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 base = 74;
const ll mod = 1e9 + 7, inf = 1e9 + 5, mxv = 1005, mxn = 4e5 + 5;
 
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
int n;
ll h[mxn + 1], a[mxn + 1], b[mxn + 1];
ll mxval[4 * mxn + 1], mnval[4 * mxn + 1], mxupd[4 * mxn + 1], mnupd[4 * mxn + 1], res[4 * mxn + 1], ans[mxn + 1];
vt<pii>queries[mxn + 1], comp[mxn + 1];
void change(int nd, ll mx, ll mn){
    mxupd[nd] = max(mxupd[nd], mx); mnupd[nd] = min(mnupd[nd], mn);
    res[nd] = max(res[nd], mxupd[nd] - mnval[nd]);
    res[nd] = max(res[nd], mxval[nd] - mnupd[nd]);
}
void push(int nd){
    ll mx = mxupd[nd], mn = mnupd[nd];
    change(nd << 1, mx, mn); change(nd << 1 | 1, mx, mn);
    mxupd[nd] = -inf; mnupd[nd] = inf;
}
void updsingle(int nd, int l, int r, int id, ll mn, ll mx){
    if(id < l || id > r)return;
    if(l == r){
        mxval[nd] = mx; mnval[nd] = mn; mxupd[nd] = -inf; mnupd[nd] = inf;
        return;
    }
    push(nd);
    int mid = (l + r) >> 1;
    updsingle(nd << 1, l, mid, id, mn, mx); updsingle(nd << 1 | 1, mid + 1, r, id, mn, mx);
    mnval[nd] = min(mnval[nd << 1], mnval[nd << 1 | 1]);
    mxval[nd] = max(mxval[nd << 1], mxval[nd << 1 | 1]);
 }
 void updrange(int nd, int l, int r, int ql, int qr, int v){
     if(ql > r || qr < l)return;
     if(ql <= l && qr >= r){
         change(nd, v, v);
         return;
     }
    int mid = (l + r) >> 1;
    push(nd);
    updrange(nd << 1, l, mid, ql, qr, v); updrange(nd << 1 | 1, mid + 1, r, ql, qr, v);
    res[nd] = max(res[nd << 1], res[nd << 1 | 1]);
 }
int get(int nd, int l, int r, int ql, int qr){
    if(ql > r || qr < l)return(-1);
    if(ql <= l && qr >= r)return(res[nd]);
    push(nd);
    int mid = (l + r) >> 1;
    return(max(get(nd << 1, l, mid, ql, qr), get(nd << 1 | 1, mid + 1, r, ql, qr)));
}
signed main()
{
     ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> n;
    for(int i = 1; i <= n; i++)cin >> h[i] >> a[i] >> b[i];
    for(int i = 1; i <= 4 * n; i++){
        res[i] = -1; mxval[i] = mxupd[i] = -inf; mnval[i] = mnupd[i] = inf;
    }
    int q; cin >> q;
    for(int i = 0; i < q; i++){
        int l, r; cin >> l >> r;
        queries[r].pb(make_pair(l, i));
    }
    for(int i = 1; i <= n; i++){
        for(auto [type, id]: comp[i]){
            if(type == 1){
                updsingle(1, 1, n, id, h[id], h[id]);
            }else{
                updsingle(1, 1, n, id, inf, -inf);
            }
            
        }
        if(i - a[i] >= 1)updrange(1, 1, n, max(i - b[i], (ll)1), i - a[i], h[i]);
        for(auto [l, id]: queries[i]){
            ans[id] = get(1, 1, n, l, i);
        }
        comp[i + a[i]].pb(make_pair(1, i)); comp[i + b[i] + 1].pb(make_pair(-1, i));
    }
    for(int i = 0; i < q; i++){
        cout << ans[i] << "\n";
    }
    return(0);
}

Compilation message

antennas.cpp: In function 'int main()':
antennas.cpp:82:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   82 |         for(auto [type, id]: comp[i]){
      |                  ^
antennas.cpp:91:18: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   91 |         for(auto [l, id]: queries[i]){
      |                  ^

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 19196 KB Output is correct
2 Correct 9 ms 19220 KB Output is correct
3 Correct 10 ms 19156 KB Output is correct
4 Correct 9 ms 19260 KB Output is correct
5 Correct 9 ms 19156 KB Output is correct
6 Correct 9 ms 19156 KB Output is correct
7 Correct 9 ms 19156 KB Output is correct
8 Correct 9 ms 19156 KB Output is correct
9 Correct 9 ms 19136 KB Output is correct
10 Correct 9 ms 19156 KB Output is correct
11 Correct 9 ms 19156 KB Output is correct
12 Correct 10 ms 19188 KB Output is correct
13 Correct 9 ms 19236 KB Output is correct
14 Correct 9 ms 19156 KB Output is correct
15 Correct 9 ms 19156 KB Output is correct
16 Correct 9 ms 19132 KB Output is correct
17 Correct 9 ms 19156 KB Output is correct
18 Correct 9 ms 19156 KB Output is correct
19 Correct 9 ms 19156 KB Output is correct
20 Correct 9 ms 19156 KB Output is correct
21 Correct 9 ms 19156 KB Output is correct
22 Correct 9 ms 19156 KB Output is correct
23 Correct 11 ms 19216 KB Output is correct
24 Correct 9 ms 19212 KB Output is correct

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 19196 KB Output is correct
2 Correct 9 ms 19220 KB Output is correct
3 Correct 10 ms 19156 KB Output is correct
4 Correct 9 ms 19260 KB Output is correct
5 Correct 9 ms 19156 KB Output is correct
6 Correct 9 ms 19156 KB Output is correct
7 Correct 9 ms 19156 KB Output is correct
8 Correct 9 ms 19156 KB Output is correct
9 Correct 9 ms 19136 KB Output is correct
10 Correct 9 ms 19156 KB Output is correct
11 Correct 9 ms 19156 KB Output is correct
12 Correct 10 ms 19188 KB Output is correct
13 Correct 9 ms 19236 KB Output is correct
14 Correct 9 ms 19156 KB Output is correct
15 Correct 9 ms 19156 KB Output is correct
16 Correct 9 ms 19132 KB Output is correct
17 Correct 9 ms 19156 KB Output is correct
18 Correct 9 ms 19156 KB Output is correct
19 Correct 9 ms 19156 KB Output is correct
20 Correct 9 ms 19156 KB Output is correct
21 Correct 9 ms 19156 KB Output is correct
22 Correct 9 ms 19156 KB Output is correct
23 Correct 11 ms 19216 KB Output is correct
24 Correct 9 ms 19212 KB Output is correct
25 Correct 62 ms 23500 KB Output is correct
26 Correct 21 ms 19924 KB Output is correct
27 Correct 98 ms 25200 KB Output is correct
28 Correct 89 ms 25272 KB Output is correct
29 Correct 61 ms 23528 KB Output is correct
30 Correct 63 ms 23268 KB Output is correct
31 Correct 70 ms 24400 KB Output is correct
32 Correct 95 ms 25268 KB Output is correct
33 Correct 99 ms 24832 KB Output is correct
34 Correct 48 ms 22228 KB Output is correct
35 Correct 88 ms 25140 KB Output is correct
36 Correct 91 ms 25312 KB Output is correct
37 Correct 54 ms 22204 KB Output is correct
38 Correct 100 ms 24300 KB Output is correct
39 Correct 21 ms 20136 KB Output is correct
40 Correct 86 ms 24284 KB Output is correct
41 Correct 66 ms 22924 KB Output is correct
42 Correct 97 ms 24268 KB Output is correct
43 Correct 41 ms 21116 KB Output is correct
44 Correct 88 ms 24352 KB Output is correct
45 Correct 23 ms 20392 KB Output is correct
46 Correct 100 ms 24324 KB Output is correct
47 Correct 31 ms 20696 KB Output is correct
48 Correct 95 ms 24380 KB Output is correct

Subtask #3
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 227 ms 58648 KB Output is correct
2 Correct 272 ms 67552 KB Output is correct
3 Correct 208 ms 53044 KB Output is correct
4 Correct 259 ms 67600 KB Output is correct
5 Correct 103 ms 41420 KB Output is correct
6 Correct 269 ms 67708 KB Output is correct
7 Correct 223 ms 61080 KB Output is correct
8 Correct 299 ms 67604 KB Output is correct
9 Correct 45 ms 26752 KB Output is correct
10 Correct 273 ms 67520 KB Output is correct
11 Correct 194 ms 49368 KB Output is correct
12 Correct 334 ms 67568 KB Output is correct
13 Correct 176 ms 64868 KB Output is correct
14 Correct 156 ms 64848 KB Output is correct
15 Correct 151 ms 65532 KB Output is correct
16 Correct 141 ms 66008 KB Output is correct
17 Correct 191 ms 64920 KB Output is correct
18 Correct 144 ms 65232 KB Output is correct
19 Correct 185 ms 64804 KB Output is correct
20 Correct 158 ms 64892 KB Output is correct
21 Correct 169 ms 64912 KB Output is correct
22 Correct 177 ms 65152 KB Output is correct
23 Correct 157 ms 64972 KB Output is correct
24 Correct 158 ms 65716 KB Output is correct

Subtask #4
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 19196 KB Output is correct
2 Correct 9 ms 19220 KB Output is correct
3 Correct 10 ms 19156 KB Output is correct
4 Correct 9 ms 19260 KB Output is correct
5 Correct 9 ms 19156 KB Output is correct
6 Correct 9 ms 19156 KB Output is correct
7 Correct 9 ms 19156 KB Output is correct
8 Correct 9 ms 19156 KB Output is correct
9 Correct 9 ms 19136 KB Output is correct
10 Correct 9 ms 19156 KB Output is correct
11 Correct 9 ms 19156 KB Output is correct
12 Correct 10 ms 19188 KB Output is correct
13 Correct 9 ms 19236 KB Output is correct
14 Correct 9 ms 19156 KB Output is correct
15 Correct 9 ms 19156 KB Output is correct
16 Correct 9 ms 19132 KB Output is correct
17 Correct 9 ms 19156 KB Output is correct
18 Correct 9 ms 19156 KB Output is correct
19 Correct 9 ms 19156 KB Output is correct
20 Correct 9 ms 19156 KB Output is correct
21 Correct 9 ms 19156 KB Output is correct
22 Correct 9 ms 19156 KB Output is correct
23 Correct 11 ms 19216 KB Output is correct
24 Correct 9 ms 19212 KB Output is correct
25 Correct 62 ms 23500 KB Output is correct
26 Correct 21 ms 19924 KB Output is correct
27 Correct 98 ms 25200 KB Output is correct
28 Correct 89 ms 25272 KB Output is correct
29 Correct 61 ms 23528 KB Output is correct
30 Correct 63 ms 23268 KB Output is correct
31 Correct 70 ms 24400 KB Output is correct
32 Correct 95 ms 25268 KB Output is correct
33 Correct 99 ms 24832 KB Output is correct
34 Correct 48 ms 22228 KB Output is correct
35 Correct 88 ms 25140 KB Output is correct
36 Correct 91 ms 25312 KB Output is correct
37 Correct 54 ms 22204 KB Output is correct
38 Correct 100 ms 24300 KB Output is correct
39 Correct 21 ms 20136 KB Output is correct
40 Correct 86 ms 24284 KB Output is correct
41 Correct 66 ms 22924 KB Output is correct
42 Correct 97 ms 24268 KB Output is correct
43 Correct 41 ms 21116 KB Output is correct
44 Correct 88 ms 24352 KB Output is correct
45 Correct 23 ms 20392 KB Output is correct
46 Correct 100 ms 24324 KB Output is correct
47 Correct 31 ms 20696 KB Output is correct
48 Correct 95 ms 24380 KB Output is correct
49 Correct 227 ms 58648 KB Output is correct
50 Correct 272 ms 67552 KB Output is correct
51 Correct 208 ms 53044 KB Output is correct
52 Correct 259 ms 67600 KB Output is correct
53 Correct 103 ms 41420 KB Output is correct
54 Correct 269 ms 67708 KB Output is correct
55 Correct 223 ms 61080 KB Output is correct
56 Correct 299 ms 67604 KB Output is correct
57 Correct 45 ms 26752 KB Output is correct
58 Correct 273 ms 67520 KB Output is correct
59 Correct 194 ms 49368 KB Output is correct
60 Correct 334 ms 67568 KB Output is correct
61 Correct 176 ms 64868 KB Output is correct
62 Correct 156 ms 64848 KB Output is correct
63 Correct 151 ms 65532 KB Output is correct
64 Correct 141 ms 66008 KB Output is correct
65 Correct 191 ms 64920 KB Output is correct
66 Correct 144 ms 65232 KB Output is correct
67 Correct 185 ms 64804 KB Output is correct
68 Correct 158 ms 64892 KB Output is correct
69 Correct 169 ms 64912 KB Output is correct
70 Correct 177 ms 65152 KB Output is correct
71 Correct 157 ms 64972 KB Output is correct
72 Correct 158 ms 65716 KB Output is correct
73 Correct 491 ms 70160 KB Output is correct
74 Correct 375 ms 68400 KB Output is correct
75 Correct 452 ms 62540 KB Output is correct
76 Correct 619 ms 77448 KB Output is correct
77 Correct 245 ms 48080 KB Output is correct
78 Correct 453 ms 74364 KB Output is correct
79 Correct 496 ms 70824 KB Output is correct
80 Correct 630 ms 77452 KB Output is correct
81 Correct 167 ms 34868 KB Output is correct
82 Correct 455 ms 72668 KB Output is correct
83 Correct 439 ms 58732 KB Output is correct
84 Correct 560 ms 77388 KB Output is correct
85 Correct 296 ms 70176 KB Output is correct
86 Correct 412 ms 73480 KB Output is correct
87 Correct 237 ms 67028 KB Output is correct
88 Correct 393 ms 74780 KB Output is correct
89 Correct 348 ms 71488 KB Output is correct
90 Correct 515 ms 73992 KB Output is correct
91 Correct 250 ms 68020 KB Output is correct
92 Correct 433 ms 73528 KB Output is correct
93 Correct 215 ms 66724 KB Output is correct
94 Correct 411 ms 73940 KB Output is correct
95 Correct 204 ms 67576 KB Output is correct
96 Correct 316 ms 74420 KB Output is correct