oj.uz

Submission #1100883

# Submission time Handle Problem Language Result Execution time Memory
1100883 2024-10-15T01:15:54 Z vjudge1 Fortune Telling 2 (JOI14_fortune_telling2) C++17
100 / 100
 524 ms 47996 KB 
#include <bits/stdc++.h>
using namespace std;
 
#define int long long
#define fileio(name) if (fopen(name".inp", "r")) freopen(name".inp", "r", stdin), freopen(name".out", "w", stdout)
 
const int maxn = 2e5+4, inf = 1e18;
int n, q, a[maxn], b[maxn], t[maxn];
 
int ac[maxn], bc[maxn], tc[maxn];
int compress(int &x, vector<int> &v) {
    return lower_bound(v.begin(), v.end(), x) - v.begin() + 1;
}
 
int st[maxn*12];
void update(int id, int l, int r, int i, int v) {
    if (i < l || i > r) return;
    if (l == r) {
        st[id] = max(st[id], v);
        return;
    }
 
    int mid = (l+r)>>1;
    update(id*2, l, mid, i, v);
    update(id*2+1, mid+1, r, i, v);
 
    st[id] = max(st[id*2], st[id*2+1]);
}
 
int get(int id, int l, int r, int a, int b) {
    if (r < a || b < l) return -inf;
    if (a <= l && r <= b) {
        return st[id];
    }
 
    int mid = (l+r)>>1;
    return max(get(id*2, l, mid, a, b), get(id*2+1, mid+1, r, a, b));
}
 
int bit[maxn*3];
void add(int i, int v) {
    while (i <= n*2+q) {
        bit[i] += v;
        i += (i & (-i));
    }
}
int qq(int i) {
    int res = 0;
    while (i > 0) {
        res += bit[i];
        i -= (i & (-i));
    }
    return res;
}
int getr(int l, int r) {
    return qq(r) - qq(l-1);
}
 
struct query {
    int idx, x;
 
    bool operator <(const query &A) const {
        return x > A.x;
    }
} Q[maxn];
 
int32_t main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    fileio("");
    // freopen("debug.txt", "w", stderr);
 
    cin >> n >> q;
    vector<int> sech;
    for (int i = 1; i <= n; i++) {
        cin >> a[i] >> b[i];
        sech.push_back(a[i]);
        sech.push_back(b[i]);
    }
    for (int i = 1; i <= q; i++) {
        cin >> t[i];
        sech.push_back(t[i]);
    }
    sort(sech.begin(), sech.end());
 
    for (int i = 1; i <= n; i++) {
        ac[i] = compress(a[i], sech);
        bc[i] = compress(b[i], sech);
    }
    for (int i = 1; i <= q; i++) {
        tc[i] = compress(t[i], sech);
        update(1, 1, n*2+q, tc[i], i);
    }
 
    for (int i = 1; i <= n; i++) {
        Q[i] = {i, get(1, 1, n*2+q, min(ac[i], bc[i]), max(ac[i], bc[i])-1)};
    }
    sort(Q+1, Q+1+n);
 
    int j = q, res = 0;
    for (int i = 1; i <= n; i++) {
        while (j > 0 && j > Q[i].x) {
            add(tc[j], 1);
            j--;
        }
 
        int id = Q[i].idx;
        if (Q[i].x > 0) {
            int p = (1 + getr(max(ac[id], bc[id]), n*2+q)) % 2;
            int y[2] = {min(a[id], b[id]), max(a[id], b[id])};
            res += y[p];
        } else {
            int p = getr(max(ac[id], bc[id]), n*2+q) % 2;
            int y[2] = {a[id], b[id]};
            res += y[p];
        }
    }
    cout << res;
 
    return 0 ^ 0;
}

Compilation message

fortune_telling2.cpp: In function 'int32_t main()':
fortune_telling2.cpp:5:57: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 | #define fileio(name) if (fopen(name".inp", "r")) freopen(name".inp", "r", stdin), freopen(name".out", "w", stdout)
      |                                                  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:70:5: note: in expansion of macro 'fileio'
   70 |     fileio("");
      |     ^~~~~~
fortune_telling2.cpp:5:90: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    5 | #define fileio(name) if (fopen(name".inp", "r")) freopen(name".inp", "r", stdin), freopen(name".out", "w", stdout)
      |                                                                                   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:70:5: note: in expansion of macro 'fileio'
   70 |     fileio("");
      |     ^~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 10832 KB Output is correct
2 Correct 3 ms 10832 KB Output is correct
3 Correct 3 ms 10832 KB Output is correct
4 Correct 3 ms 10736 KB Output is correct
5 Correct 3 ms 10980 KB Output is correct
6 Correct 3 ms 11000 KB Output is correct
7 Correct 3 ms 10832 KB Output is correct
8 Correct 2 ms 10832 KB Output is correct
9 Correct 3 ms 10832 KB Output is correct
10 Correct 2 ms 10832 KB Output is correct
11 Correct 2 ms 12880 KB Output is correct
12 Correct 3 ms 12880 KB Output is correct
13 Correct 3 ms 12880 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 10832 KB Output is correct
2 Correct 3 ms 10832 KB Output is correct
3 Correct 3 ms 10832 KB Output is correct
4 Correct 3 ms 10736 KB Output is correct
5 Correct 3 ms 10980 KB Output is correct
6 Correct 3 ms 11000 KB Output is correct
7 Correct 3 ms 10832 KB Output is correct
8 Correct 2 ms 10832 KB Output is correct
9 Correct 3 ms 10832 KB Output is correct
10 Correct 2 ms 10832 KB Output is correct
11 Correct 2 ms 12880 KB Output is correct
12 Correct 3 ms 12880 KB Output is correct
13 Correct 3 ms 12880 KB Output is correct
14 Correct 14 ms 12244 KB Output is correct
15 Correct 26 ms 15592 KB Output is correct
16 Correct 40 ms 18884 KB Output is correct
17 Correct 58 ms 19428 KB Output is correct
18 Correct 68 ms 19432 KB Output is correct
19 Correct 53 ms 18664 KB Output is correct
20 Correct 54 ms 19652 KB Output is correct
21 Correct 52 ms 18628 KB Output is correct
22 Correct 47 ms 18084 KB Output is correct
23 Correct 56 ms 18428 KB Output is correct
24 Correct 55 ms 18620 KB Output is correct
25 Correct 58 ms 18144 KB Output is correct
26 Correct 47 ms 20012 KB Output is correct
27 Correct 68 ms 20780 KB Output is correct
28 Correct 53 ms 20284 KB Output is correct
29 Correct 56 ms 20608 KB Output is correct

Subtask #3
65.0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 10832 KB Output is correct
2 Correct 3 ms 10832 KB Output is correct
3 Correct 3 ms 10832 KB Output is correct
4 Correct 3 ms 10736 KB Output is correct
5 Correct 3 ms 10980 KB Output is correct
6 Correct 3 ms 11000 KB Output is correct
7 Correct 3 ms 10832 KB Output is correct
8 Correct 2 ms 10832 KB Output is correct
9 Correct 3 ms 10832 KB Output is correct
10 Correct 2 ms 10832 KB Output is correct
11 Correct 2 ms 12880 KB Output is correct
12 Correct 3 ms 12880 KB Output is correct
13 Correct 3 ms 12880 KB Output is correct
14 Correct 14 ms 12244 KB Output is correct
15 Correct 26 ms 15592 KB Output is correct
16 Correct 40 ms 18884 KB Output is correct
17 Correct 58 ms 19428 KB Output is correct
18 Correct 68 ms 19432 KB Output is correct
19 Correct 53 ms 18664 KB Output is correct
20 Correct 54 ms 19652 KB Output is correct
21 Correct 52 ms 18628 KB Output is correct
22 Correct 47 ms 18084 KB Output is correct
23 Correct 56 ms 18428 KB Output is correct
24 Correct 55 ms 18620 KB Output is correct
25 Correct 58 ms 18144 KB Output is correct
26 Correct 47 ms 20012 KB Output is correct
27 Correct 68 ms 20780 KB Output is correct
28 Correct 53 ms 20284 KB Output is correct
29 Correct 56 ms 20608 KB Output is correct
30 Correct 124 ms 22452 KB Output is correct
31 Correct 162 ms 31936 KB Output is correct
32 Correct 257 ms 33976 KB Output is correct
33 Correct 422 ms 47808 KB Output is correct
34 Correct 120 ms 20324 KB Output is correct
35 Correct 471 ms 47812 KB Output is correct
36 Correct 524 ms 47820 KB Output is correct
37 Correct 456 ms 47996 KB Output is correct
38 Correct 387 ms 46000 KB Output is correct
39 Correct 424 ms 47872 KB Output is correct
40 Correct 355 ms 45588 KB Output is correct
41 Correct 339 ms 46008 KB Output is correct
42 Correct 333 ms 47888 KB Output is correct
43 Correct 244 ms 37808 KB Output is correct
44 Correct 220 ms 39628 KB Output is correct
45 Correct 216 ms 38844 KB Output is correct
46 Correct 232 ms 44004 KB Output is correct
47 Correct 226 ms 45748 KB Output is correct
48 Correct 266 ms 44996 KB Output is correct
49 Correct 251 ms 44396 KB Output is correct