Submission #76469

# Submission time Handle Problem Language Result Execution time Memory
76469 2018-09-13T14:40:07 Z win11905 Fortune Telling 2 (JOI14_fortune_telling2) C++11
35 / 100
3000 ms 94424 KB
#include <bits/stdc++.h>
using namespace std;

#define all(x) x.begin(), x.end()
#define long long long
#define pii pair<int, int>
#define x first
#define y second

const int N = 2e5+5;

int n, k;

long ans;
vector<int> t[N<<1];
vector<pii> que;

int f(int m, int v) {
    int sum = 0;
    auto get = [&](int z) {
        int x = lower_bound(all(t[z]), v) - t[z].begin() - 1;
        sum += t[z].size() - x - 1;
    };
    for(int l = m + k, r = k + k; l < r; l >>= 1, r >>= 1) {
        if(l & 1) get(l++);
        if(r & 1) get(--r);
    }
    return sum;
}

int main() {
    scanf("%d %d", &n, &k);
    for(int i = 0, a, b; i < n; ++i) {
        scanf("%d %d", &a, &b);
        que.emplace_back(a, b);
    }
    k++, t[k].emplace_back(0);
    for(int i = 1, ret; i < k; ++i) {
        scanf("%d", &ret);
        t[i+k].emplace_back(ret);
    }
    for(int i = k-1; i; --i) merge(all(t[i<<1]), all(t[i<<1|1]), back_inserter(t[i]));
    for(auto x : que) {
        int a, b; tie(a, b) = x;
        int l = 0, r = k;
        while(l < r) {
            int m = (l + r + 1) >> 1;
            if(f(m, a) != f(m, b)) l = m;
            else r = m-1;
        }
        long pa = ans;
        if(l == 0) ans += f(0, a) & 1 ? b : a;
        else ans += f(l, max(a, b)) & 1 ? min(a, b) : max(a, b);
    }
    printf("%lld\n", ans);
}

Compilation message

fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:51:14: warning: unused variable 'pa' [-Wunused-variable]
         long pa = ans;
              ^~
fortune_telling2.cpp:32:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d", &n, &k);
     ~~~~~^~~~~~~~~~~~~~~~~
fortune_telling2.cpp:34:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &a, &b);
         ~~~~~^~~~~~~~~~~~~~~~~
fortune_telling2.cpp:39:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d", &ret);
         ~~~~~^~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 11 ms 9848 KB Output is correct
2 Correct 13 ms 9940 KB Output is correct
3 Correct 12 ms 9948 KB Output is correct
4 Correct 26 ms 10156 KB Output is correct
5 Correct 14 ms 10156 KB Output is correct
6 Correct 13 ms 10156 KB Output is correct
7 Correct 15 ms 10200 KB Output is correct
8 Correct 16 ms 10272 KB Output is correct
9 Correct 11 ms 10304 KB Output is correct
10 Correct 13 ms 10332 KB Output is correct
11 Correct 14 ms 10376 KB Output is correct
12 Correct 16 ms 10376 KB Output is correct
13 Correct 18 ms 10404 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 9848 KB Output is correct
2 Correct 13 ms 9940 KB Output is correct
3 Correct 12 ms 9948 KB Output is correct
4 Correct 26 ms 10156 KB Output is correct
5 Correct 14 ms 10156 KB Output is correct
6 Correct 13 ms 10156 KB Output is correct
7 Correct 15 ms 10200 KB Output is correct
8 Correct 16 ms 10272 KB Output is correct
9 Correct 11 ms 10304 KB Output is correct
10 Correct 13 ms 10332 KB Output is correct
11 Correct 14 ms 10376 KB Output is correct
12 Correct 16 ms 10376 KB Output is correct
13 Correct 18 ms 10404 KB Output is correct
14 Correct 77 ms 11760 KB Output is correct
15 Correct 166 ms 13672 KB Output is correct
16 Correct 269 ms 15660 KB Output is correct
17 Correct 373 ms 18216 KB Output is correct
18 Correct 387 ms 19364 KB Output is correct
19 Correct 360 ms 20524 KB Output is correct
20 Correct 392 ms 21944 KB Output is correct
21 Correct 289 ms 22864 KB Output is correct
22 Correct 139 ms 23620 KB Output is correct
23 Correct 136 ms 24304 KB Output is correct
24 Correct 145 ms 24996 KB Output is correct
25 Correct 138 ms 25676 KB Output is correct
26 Correct 443 ms 26648 KB Output is correct
27 Correct 642 ms 27820 KB Output is correct
28 Correct 413 ms 29004 KB Output is correct
29 Correct 668 ms 30156 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 11 ms 9848 KB Output is correct
2 Correct 13 ms 9940 KB Output is correct
3 Correct 12 ms 9948 KB Output is correct
4 Correct 26 ms 10156 KB Output is correct
5 Correct 14 ms 10156 KB Output is correct
6 Correct 13 ms 10156 KB Output is correct
7 Correct 15 ms 10200 KB Output is correct
8 Correct 16 ms 10272 KB Output is correct
9 Correct 11 ms 10304 KB Output is correct
10 Correct 13 ms 10332 KB Output is correct
11 Correct 14 ms 10376 KB Output is correct
12 Correct 16 ms 10376 KB Output is correct
13 Correct 18 ms 10404 KB Output is correct
14 Correct 77 ms 11760 KB Output is correct
15 Correct 166 ms 13672 KB Output is correct
16 Correct 269 ms 15660 KB Output is correct
17 Correct 373 ms 18216 KB Output is correct
18 Correct 387 ms 19364 KB Output is correct
19 Correct 360 ms 20524 KB Output is correct
20 Correct 392 ms 21944 KB Output is correct
21 Correct 289 ms 22864 KB Output is correct
22 Correct 139 ms 23620 KB Output is correct
23 Correct 136 ms 24304 KB Output is correct
24 Correct 145 ms 24996 KB Output is correct
25 Correct 138 ms 25676 KB Output is correct
26 Correct 443 ms 26648 KB Output is correct
27 Correct 642 ms 27820 KB Output is correct
28 Correct 413 ms 29004 KB Output is correct
29 Correct 668 ms 30156 KB Output is correct
30 Correct 288 ms 52180 KB Output is correct
31 Correct 838 ms 55444 KB Output is correct
32 Correct 1526 ms 59892 KB Output is correct
33 Correct 2916 ms 66436 KB Output is correct
34 Correct 204 ms 66436 KB Output is correct
35 Correct 2950 ms 74164 KB Output is correct
36 Correct 2830 ms 79960 KB Output is correct
37 Correct 2843 ms 85756 KB Output is correct
38 Correct 2802 ms 91556 KB Output is correct
39 Correct 2840 ms 94288 KB Output is correct
40 Correct 2144 ms 94288 KB Output is correct
41 Correct 2868 ms 94288 KB Output is correct
42 Correct 2811 ms 94328 KB Output is correct
43 Correct 874 ms 94328 KB Output is correct
44 Correct 912 ms 94328 KB Output is correct
45 Correct 937 ms 94328 KB Output is correct
46 Correct 956 ms 94328 KB Output is correct
47 Correct 1227 ms 94328 KB Output is correct
48 Execution timed out 3034 ms 94424 KB Time limit exceeded
49 Halted 0 ms 0 KB -