oj.uz

Submission #1015578

# Submission time Handle Problem Language Result Execution time Memory
1015578 2024-07-06T14:31:56 Z andrei_iorgulescu Fortune Telling 2 (JOI14_fortune_telling2) C++14
35 / 100
 3000 ms 13784 KB 
#include <bits/stdc++.h>
#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("avx2")

using namespace std;

int n,k,a[200005],b[200005],t[200005];
int g;
bool tr[105][105];
vector<int> lol;
int pa[200005],pb[200005];
pair<int,int> vv[400005];
bool sp[200005];
int f1[400005],f2[400005];
int vls[105],pvls;
int opp[105],nrop;

void solve(vector<int> op)
{
    nrop = 0;
    for (auto it : op)
        opp[nrop++] = it;
    set<int> ss;
    for (auto it : op)
        ss.insert(it);
    pvls = 0;
    for (auto it : ss)
        vls[pvls++] = it;
    vls[pvls++] = (int)2e9;
    int i0 = 0;
    for (int i = 1; i <= 2 * n; i++)
    {
        while (vls[i0] < f1[i])
            i0++;
        if (f2[i] < 0)
            pb[-f2[i]] = i0;
        else
            pa[f2[i]] = i0;
    }
    for (int i = 0; i < pvls; i++)
    {
        for (int j = 0; j < pvls; j++)
        {
            int x0 = vls[i];
            int x = vls[i],y = vls[j];
            bool cnt_swap = false;
            for (int q = 0; q < nrop; q++)
            {
                if (opp[q] >= x)
                    swap(x,y),cnt_swap ^= 1;
            }
            if (cnt_swap)
                tr[i][j] = true;
            else
                tr[i][j] = false;
        }
    }
    for (int i = 1; i <= n; i++)
    {
        if ((!sp[i] and tr[pa[i]][pb[i]]) or (sp[i] and tr[pb[i]][pa[i]]))
            swap(a[i],b[i]),sp[i] ^= 1;
    }
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);
    cin >> n >> k;
    for (int i = 1; i <= n; i++)
        cin >> a[i] >> b[i];
    for (int i = 1; i <= k; i++)
        cin >> t[i];
    for (int i = 1; i <= n; i++)
    {
        vv[2 * i - 1] = {a[i],i};
        vv[2 * i] = {b[i],-i};
    }
    sort(vv + 1,vv + 2 * n + 1);
    for (int i = 1; i <= 2 * n; i++)
    {
        f1[i] = vv[i].first;
        f2[i] = vv[i].second;
    }
    g = 80;
    for (int i = 1; i <= k; i += g)
    {
        vector<int> op;
        for (int j = i; j <= k and j < i + g; j++)
            op.push_back(t[j]);
        solve(op);
    }
    long long ans = 0;
    for (int i = 1; i <= n; i++)
        ans += a[i];
    cout << ans;
    return 0;
}

Compilation message

fortune_telling2.cpp: In function 'void solve(std::vector<int>)':
fortune_telling2.cpp:45:17: warning: unused variable 'x0' [-Wunused-variable]
   45 |             int x0 = vls[i];
      |                 ^~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 6492 KB Output is correct
2 Correct 5 ms 6644 KB Output is correct
3 Correct 5 ms 6492 KB Output is correct
4 Correct 5 ms 6648 KB Output is correct
5 Correct 5 ms 6492 KB Output is correct
6 Correct 5 ms 6492 KB Output is correct
7 Correct 5 ms 6488 KB Output is correct
8 Correct 5 ms 6492 KB Output is correct
9 Correct 5 ms 6488 KB Output is correct
10 Correct 5 ms 6492 KB Output is correct
11 Correct 5 ms 6492 KB Output is correct
12 Correct 5 ms 6648 KB Output is correct
13 Correct 5 ms 6492 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 6492 KB Output is correct
2 Correct 5 ms 6644 KB Output is correct
3 Correct 5 ms 6492 KB Output is correct
4 Correct 5 ms 6648 KB Output is correct
5 Correct 5 ms 6492 KB Output is correct
6 Correct 5 ms 6492 KB Output is correct
7 Correct 5 ms 6488 KB Output is correct
8 Correct 5 ms 6492 KB Output is correct
9 Correct 5 ms 6488 KB Output is correct
10 Correct 5 ms 6492 KB Output is correct
11 Correct 5 ms 6492 KB Output is correct
12 Correct 5 ms 6648 KB Output is correct
13 Correct 5 ms 6492 KB Output is correct
14 Correct 67 ms 6748 KB Output is correct
15 Correct 182 ms 6744 KB Output is correct
16 Correct 316 ms 7000 KB Output is correct
17 Correct 533 ms 7000 KB Output is correct
18 Correct 527 ms 7004 KB Output is correct
19 Correct 526 ms 7000 KB Output is correct
20 Correct 550 ms 7096 KB Output is correct
21 Correct 421 ms 7004 KB Output is correct
22 Correct 216 ms 7000 KB Output is correct
23 Correct 235 ms 7000 KB Output is correct
24 Correct 236 ms 7000 KB Output is correct
25 Correct 215 ms 7004 KB Output is correct
26 Correct 390 ms 7044 KB Output is correct
27 Correct 438 ms 7088 KB Output is correct
28 Correct 416 ms 7252 KB Output is correct
29 Correct 495 ms 7096 KB Output is correct

Subtask #3
0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 6492 KB Output is correct
2 Correct 5 ms 6644 KB Output is correct
3 Correct 5 ms 6492 KB Output is correct
4 Correct 5 ms 6648 KB Output is correct
5 Correct 5 ms 6492 KB Output is correct
6 Correct 5 ms 6492 KB Output is correct
7 Correct 5 ms 6488 KB Output is correct
8 Correct 5 ms 6492 KB Output is correct
9 Correct 5 ms 6488 KB Output is correct
10 Correct 5 ms 6492 KB Output is correct
11 Correct 5 ms 6492 KB Output is correct
12 Correct 5 ms 6648 KB Output is correct
13 Correct 5 ms 6492 KB Output is correct
14 Correct 67 ms 6748 KB Output is correct
15 Correct 182 ms 6744 KB Output is correct
16 Correct 316 ms 7000 KB Output is correct
17 Correct 533 ms 7000 KB Output is correct
18 Correct 527 ms 7004 KB Output is correct
19 Correct 526 ms 7000 KB Output is correct
20 Correct 550 ms 7096 KB Output is correct
21 Correct 421 ms 7004 KB Output is correct
22 Correct 216 ms 7000 KB Output is correct
23 Correct 235 ms 7000 KB Output is correct
24 Correct 236 ms 7000 KB Output is correct
25 Correct 215 ms 7004 KB Output is correct
26 Correct 390 ms 7044 KB Output is correct
27 Correct 438 ms 7088 KB Output is correct
28 Correct 416 ms 7252 KB Output is correct
29 Correct 495 ms 7096 KB Output is correct
30 Correct 1230 ms 7204 KB Output is correct
31 Correct 2830 ms 7604 KB Output is correct
32 Execution timed out 3048 ms 13784 KB Time limit exceeded
33 Halted 0 ms 0 KB -