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Submission #578352

# Submission time Handle Problem Language Result Execution time Memory
578352 2022-06-16T12:13:34 Z OttoTheDino Examination (JOI19_examination) C++17
43 / 100
 3000 ms 307172 KB 
#pragma GCC optimize("Ofast")
#include <bits/stdc++.h>
using namespace std;

#define rep(i,s,e)                  for (int i = s; i <= e; ++i)
#define rrep(i,s,e)                 for (int i = s; i >= e; --i)
#define pb                          push_back
#define pf                          push_front
#define fi                          first
#define se                          second
#define aint(a)                      a.begin(), a.end()
#define len(a)                      (int)a.size()
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef vector<int> vi;
typedef vector<double> vd;
typedef vector<string> vs;
typedef vector<int> vint;

unordered_map<int,int> seg_tree[2] = {};
unordered_map<int,int> lazy[2] = {};
 
void upd (int tp, int val, int l, int r, int bl, int br, int id) {
    seg_tree[tp][id] += val;
    if (l==bl && r==br) {
        lazy[tp][id] += val;
        return;
    }
    int mid = (bl+br)/2;
    if (r<=mid) upd (tp, val, l, r, bl, mid, 2*id);
    else if (l>mid) upd (tp, val, l, r, mid+1, br, 2*id+1);
    else {
        upd (tp, val, l, mid, bl, mid, 2*id);
        upd (tp, val, mid+1, r, mid+1, br, 2*id+1);
    }
} 
 
int query (int tp, int l, int r, int bl, int br, int id) {
    if (l==bl && r==br) return seg_tree[tp][id];
    if (bl!=br) {
        lazy[tp][2*id] += lazy[tp][id];
        lazy[tp][2*id+1] += lazy[tp][id];
        seg_tree[tp][2*id] += lazy[tp][id];
        seg_tree[tp][2*id+1] += lazy[tp][id];
        lazy[tp][id] = 0;
    }
    int mid = (bl+br)/2;
    if (r<=mid) return query (tp, l, r, bl, mid, 2*id);
    if (l>mid) return query (tp, l, r, mid+1, br, 2*id+1);
    return query (tp, l, mid, bl, mid, 2*id) + query (tp, mid+1, r, mid+1, br, 2*id+1);
}

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    
    int n, q, x = 0; cin >> n >> q;

    vector<pair<int,ii>> peep;
    vector<pair<ii,ii>> ques;
    int ans[q+1];

    rep (i,1,n) {
        int a, b; cin >> a >> b;
        peep.pb({a+b,{a,b}});
    }

    rep (i,1,q) {
        int a, b, c; cin >> a >> b >> c;
        ques.pb({{max(a+b,c),i},{a,b}});
    }

    sort(aint(ques));
    reverse(aint(ques));
    sort(aint(peep));
    reverse(aint(peep));

    rep (i,0,q-1) {
        int c = ques[i].fi.fi, a = ques[i].se.fi, b = ques[i].se.se, u = ques[i].fi.se;
        while (x < n && peep[x].fi>=c) {
            upd (0, 1, peep[x].se.fi, peep[x].se.fi, 0, 1e9, 1);
            upd (1, 1, peep[x].se.se, peep[x].se.se, 0, 1e9, 1);
            x++;
        }
        ans[u] = query(0,a,1e9,0,1e9,1) + query(1,b,1e9,0,1e9,1) - x;
    }

    rep (i,1,q) cout << ans[i] << "\n";

    return 0;
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 170 ms 22348 KB Output is correct
8 Correct 169 ms 22380 KB Output is correct
9 Correct 147 ms 22252 KB Output is correct
10 Correct 80 ms 11312 KB Output is correct
11 Correct 100 ms 11316 KB Output is correct
12 Correct 47 ms 480 KB Output is correct
13 Correct 145 ms 22280 KB Output is correct
14 Correct 148 ms 22416 KB Output is correct
15 Correct 151 ms 22244 KB Output is correct
16 Correct 83 ms 11408 KB Output is correct
17 Correct 86 ms 11340 KB Output is correct
18 Correct 32 ms 500 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1834 ms 38260 KB Output is correct
2 Correct 1763 ms 38116 KB Output is correct
3 Correct 1822 ms 38288 KB Output is correct
4 Correct 1196 ms 21360 KB Output is correct
5 Correct 1204 ms 21268 KB Output is correct
6 Correct 1389 ms 4980 KB Output is correct
7 Correct 1596 ms 30828 KB Output is correct
8 Correct 1769 ms 30992 KB Output is correct
9 Correct 1551 ms 22996 KB Output is correct
10 Correct 919 ms 21112 KB Output is correct
11 Correct 975 ms 21144 KB Output is correct
12 Correct 1157 ms 4936 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1834 ms 38260 KB Output is correct
2 Correct 1763 ms 38116 KB Output is correct
3 Correct 1822 ms 38288 KB Output is correct
4 Correct 1196 ms 21360 KB Output is correct
5 Correct 1204 ms 21268 KB Output is correct
6 Correct 1389 ms 4980 KB Output is correct
7 Correct 1596 ms 30828 KB Output is correct
8 Correct 1769 ms 30992 KB Output is correct
9 Correct 1551 ms 22996 KB Output is correct
10 Correct 919 ms 21112 KB Output is correct
11 Correct 975 ms 21144 KB Output is correct
12 Correct 1157 ms 4936 KB Output is correct
13 Correct 1779 ms 38904 KB Output is correct
14 Correct 1958 ms 38184 KB Output is correct
15 Correct 1874 ms 38236 KB Output is correct
16 Correct 1377 ms 21164 KB Output is correct
17 Correct 1315 ms 21096 KB Output is correct
18 Correct 1413 ms 4984 KB Output is correct
19 Correct 1769 ms 38292 KB Output is correct
20 Correct 1824 ms 38324 KB Output is correct
21 Correct 1926 ms 31800 KB Output is correct
22 Correct 869 ms 21252 KB Output is correct
23 Correct 864 ms 21208 KB Output is correct
24 Correct 1106 ms 4964 KB Output is correct

Subtask #4
0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 170 ms 22348 KB Output is correct
8 Correct 169 ms 22380 KB Output is correct
9 Correct 147 ms 22252 KB Output is correct
10 Correct 80 ms 11312 KB Output is correct
11 Correct 100 ms 11316 KB Output is correct
12 Correct 47 ms 480 KB Output is correct
13 Correct 145 ms 22280 KB Output is correct
14 Correct 148 ms 22416 KB Output is correct
15 Correct 151 ms 22244 KB Output is correct
16 Correct 83 ms 11408 KB Output is correct
17 Correct 86 ms 11340 KB Output is correct
18 Correct 32 ms 500 KB Output is correct
19 Correct 1834 ms 38260 KB Output is correct
20 Correct 1763 ms 38116 KB Output is correct
21 Correct 1822 ms 38288 KB Output is correct
22 Correct 1196 ms 21360 KB Output is correct
23 Correct 1204 ms 21268 KB Output is correct
24 Correct 1389 ms 4980 KB Output is correct
25 Correct 1596 ms 30828 KB Output is correct
26 Correct 1769 ms 30992 KB Output is correct
27 Correct 1551 ms 22996 KB Output is correct
28 Correct 919 ms 21112 KB Output is correct
29 Correct 975 ms 21144 KB Output is correct
30 Correct 1157 ms 4936 KB Output is correct
31 Correct 1779 ms 38904 KB Output is correct
32 Correct 1958 ms 38184 KB Output is correct
33 Correct 1874 ms 38236 KB Output is correct
34 Correct 1377 ms 21164 KB Output is correct
35 Correct 1315 ms 21096 KB Output is correct
36 Correct 1413 ms 4984 KB Output is correct
37 Correct 1769 ms 38292 KB Output is correct
38 Correct 1824 ms 38324 KB Output is correct
39 Correct 1926 ms 31800 KB Output is correct
40 Correct 869 ms 21252 KB Output is correct
41 Correct 864 ms 21208 KB Output is correct
42 Correct 1106 ms 4964 KB Output is correct
43 Execution timed out 3081 ms 307172 KB Time limit exceeded
44 Halted 0 ms 0 KB -