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Submission #965717

# Submission time Handle Problem Language Result Execution time Memory
965717 2024-04-19T06:05:46 Z becaido Examination (JOI19_examination) C++17
100 / 100
 191 ms 14136 KB 
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx,popcnt,sse4,abm")
#include <bits/stdc++.h>
using namespace std;

#ifdef WAIMAI
#define debug(HEHE...) cout << "[" << #HEHE << "] : ", dout(HEHE)
void dout() {cout << '\n';}
template<typename T, typename...U>
void dout(T t, U...u) {cout << t << (sizeof...(u) ? ", " : ""), dout(u...);}
#else
#define debug(...) 7122
#endif

#define ll long long
#define Waimai ios::sync_with_stdio(false), cin.tie(0)
#define FOR(x,a,b) for (int x = a, I = b; x <= I; x++)
#define pb emplace_back
#define F first
#define S second

const int SIZE = 2e5 + 5;

int n, q, sz;
int ans[SIZE];

int m;
vector<int> lis;

int bit[SIZE];
void upd(int pos, int x) {
    for (; pos <= m; pos += pos & -pos) bit[pos] += x;
}
int que(int pos) {
    int re = 0;
    for (; pos; pos -= pos & -pos) re += bit[pos];
    return re;
}

struct ds {
    int x, y, z, id;
    ds() {}
    ds(int x, int y, int z, int id) : x(x), y(y), z(z), id(id) {}
    bool operator < (const ds &o) const {
        return make_tuple(x, y, z, id) < make_tuple(o.x, o.y, o.z, o.id);
    }
} a[SIZE], tmp[SIZE];

bool cmp(ds a, ds b) { // return a < b
    return make_tuple(a.y, a.z, a.id) < make_tuple(b.y, b.z, b.id);
}

void divide(int l, int r) {
    if (l == r) return;
    int mid = (l + r) / 2;
    divide(l, mid), divide(mid + 1, r);
    debug(l, r);
    for (int i = l, il = l, ir = mid + 1; i <= r; i++) {
        if (ir > r || (il <= mid && cmp(a[il], a[ir]))) {
            if (a[il].id == 0) upd(a[il].z, 1);
            tmp[i] = a[il++];
        } else {
            if (a[ir].id) ans[a[ir].id] += que(a[ir].z);
            tmp[i] = a[ir++];
        }
    }
    FOR (i, l, mid) if (a[i].id == 0) upd(a[i].z, -1);
    FOR (i, l, r) a[i] = tmp[i];
}

void solve() {
    cin >> n >> q;
    FOR (i, 1, n) {
        int x, y;
        cin >> x >> y;
        x = -x, y = -y;
        a[++sz] = ds(x, y, x + y, 0);
    }
    FOR (i, 1, q) {
        int x, y, z;
        cin >> x >> y >> z;
        x = -x, y = -y, z = -z;
        a[++sz] = ds(x, y, z, i);
    }
    FOR (i, 1, sz) lis.pb(a[i].z);
    sort(lis.begin(), lis.end());
    lis.erase(unique(lis.begin(), lis.end()), lis.end());
    m = lis.size();
    FOR (i, 1, sz) a[i].z = lower_bound(lis.begin(), lis.end(), a[i].z) - lis.begin() + 1;
    sort(a + 1, a + sz + 1);
    divide(1, sz);
    FOR (i, 1, q) cout << ans[i] << '\n';
}

int main() {
    Waimai;
    solve();
}

/*
in1
5 4
35 100
70 70
45 15
80 40
20 95
20 50 120
10 10 100
60 60 80
0 100 100
out1
2
4
1
1

in2
10 10
41304 98327
91921 28251
85635 59191
30361 72671
28949 96958
99041 37826
10245 2726
19387 20282
60366 87723
95388 49726
52302 69501 66009
43754 45346 3158
25224 58881 18727
7298 24412 63782
24107 10583 61508
65025 29140 7278
36104 56758 2775
23126 67608 122051
56910 17272 62933
39675 15874 117117
out2
1
3
5
8
8
3
3
3
5
6
*/

Compilation message

examination.cpp: In function 'void divide(int, int)':
examination.cpp:12:20: warning: statement has no effect [-Wunused-value]
   12 | #define debug(...) 7122
      |                    ^~~~
examination.cpp:57:5: note: in expansion of macro 'debug'
   57 |     debug(l, r);
      |     ^~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4440 KB Output is correct
3 Correct 1 ms 4440 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 5 ms 4700 KB Output is correct
8 Correct 5 ms 2652 KB Output is correct
9 Correct 5 ms 4836 KB Output is correct
10 Correct 5 ms 2648 KB Output is correct
11 Correct 5 ms 4700 KB Output is correct
12 Correct 3 ms 4752 KB Output is correct
13 Correct 5 ms 2652 KB Output is correct
14 Correct 4 ms 4696 KB Output is correct
15 Correct 4 ms 2652 KB Output is correct
16 Correct 3 ms 2652 KB Output is correct
17 Correct 4 ms 4840 KB Output is correct
18 Correct 2 ms 2652 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 154 ms 11560 KB Output is correct
2 Correct 149 ms 11228 KB Output is correct
3 Correct 150 ms 11212 KB Output is correct
4 Correct 130 ms 10580 KB Output is correct
5 Correct 130 ms 10840 KB Output is correct
6 Correct 69 ms 9532 KB Output is correct
7 Correct 134 ms 11208 KB Output is correct
8 Correct 136 ms 11216 KB Output is correct
9 Correct 140 ms 11216 KB Output is correct
10 Correct 117 ms 10296 KB Output is correct
11 Correct 123 ms 10184 KB Output is correct
12 Correct 54 ms 9168 KB Output is correct

Subtask #3
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 154 ms 11560 KB Output is correct
2 Correct 149 ms 11228 KB Output is correct
3 Correct 150 ms 11212 KB Output is correct
4 Correct 130 ms 10580 KB Output is correct
5 Correct 130 ms 10840 KB Output is correct
6 Correct 69 ms 9532 KB Output is correct
7 Correct 134 ms 11208 KB Output is correct
8 Correct 136 ms 11216 KB Output is correct
9 Correct 140 ms 11216 KB Output is correct
10 Correct 117 ms 10296 KB Output is correct
11 Correct 123 ms 10184 KB Output is correct
12 Correct 54 ms 9168 KB Output is correct
13 Correct 174 ms 11728 KB Output is correct
14 Correct 174 ms 11788 KB Output is correct
15 Correct 167 ms 11296 KB Output is correct
16 Correct 155 ms 10836 KB Output is correct
17 Correct 154 ms 10952 KB Output is correct
18 Correct 88 ms 9672 KB Output is correct
19 Correct 175 ms 11848 KB Output is correct
20 Correct 179 ms 11936 KB Output is correct
21 Correct 179 ms 11976 KB Output is correct
22 Correct 114 ms 10188 KB Output is correct
23 Correct 123 ms 10184 KB Output is correct
24 Correct 54 ms 9168 KB Output is correct

Subtask #4
57.0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4444 KB Output is correct
2 Correct 1 ms 4440 KB Output is correct
3 Correct 1 ms 4440 KB Output is correct
4 Correct 1 ms 4444 KB Output is correct
5 Correct 1 ms 2396 KB Output is correct
6 Correct 1 ms 2396 KB Output is correct
7 Correct 5 ms 4700 KB Output is correct
8 Correct 5 ms 2652 KB Output is correct
9 Correct 5 ms 4836 KB Output is correct
10 Correct 5 ms 2648 KB Output is correct
11 Correct 5 ms 4700 KB Output is correct
12 Correct 3 ms 4752 KB Output is correct
13 Correct 5 ms 2652 KB Output is correct
14 Correct 4 ms 4696 KB Output is correct
15 Correct 4 ms 2652 KB Output is correct
16 Correct 3 ms 2652 KB Output is correct
17 Correct 4 ms 4840 KB Output is correct
18 Correct 2 ms 2652 KB Output is correct
19 Correct 154 ms 11560 KB Output is correct
20 Correct 149 ms 11228 KB Output is correct
21 Correct 150 ms 11212 KB Output is correct
22 Correct 130 ms 10580 KB Output is correct
23 Correct 130 ms 10840 KB Output is correct
24 Correct 69 ms 9532 KB Output is correct
25 Correct 134 ms 11208 KB Output is correct
26 Correct 136 ms 11216 KB Output is correct
27 Correct 140 ms 11216 KB Output is correct
28 Correct 117 ms 10296 KB Output is correct
29 Correct 123 ms 10184 KB Output is correct
30 Correct 54 ms 9168 KB Output is correct
31 Correct 174 ms 11728 KB Output is correct
32 Correct 174 ms 11788 KB Output is correct
33 Correct 167 ms 11296 KB Output is correct
34 Correct 155 ms 10836 KB Output is correct
35 Correct 154 ms 10952 KB Output is correct
36 Correct 88 ms 9672 KB Output is correct
37 Correct 175 ms 11848 KB Output is correct
38 Correct 179 ms 11936 KB Output is correct
39 Correct 179 ms 11976 KB Output is correct
40 Correct 114 ms 10188 KB Output is correct
41 Correct 123 ms 10184 KB Output is correct
42 Correct 54 ms 9168 KB Output is correct
43 Correct 191 ms 14124 KB Output is correct
44 Correct 187 ms 14120 KB Output is correct
45 Correct 186 ms 14028 KB Output is correct
46 Correct 166 ms 12864 KB Output is correct
47 Correct 167 ms 12492 KB Output is correct
48 Correct 95 ms 9420 KB Output is correct
49 Correct 170 ms 14040 KB Output is correct
50 Correct 170 ms 14136 KB Output is correct
51 Correct 168 ms 13944 KB Output is correct
52 Correct 152 ms 12572 KB Output is correct
53 Correct 115 ms 11216 KB Output is correct