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Submission #492211

# Submission time Handle Problem Language Result Execution time Memory
492211 2021-12-06T00:34:48 Z peti1234 Seats (IOI18_seats) C++17
100 / 100
 3342 ms 85424 KB 
#include <bits/stdc++.h>
using namespace std;
 
const int c=1000002, p=1048576;
int n, m, k, sor[c], pos[c], oszlop[c], kezd[2*p], veg[2*p], kert[2*p], kdb[2*p], lp[2*p], t[4];
bool jo[c];
int st, fi, ert;
void add(int a) {
    int k=kezd[a], v=veg[a], x=2*a, y=2*a+1;
    if (st>v || fi<k) return;
    if (st<=k && v<=fi) lp[a]+=ert;
    else {
        add(x), add(y);
        int p=kert[x]+lp[x], q=kert[y]+lp[y];
        kert[a]=min(p, q);
        kdb[a]=0;
        if (kert[a]==p) kdb[a]+=kdb[x];
        if (kert[a]==q) kdb[a]+=kdb[y];
    }
}
int ki(int a, int b) {
    if (a<0 || a>=n || b<0 || b>=m) return k;
    return pos[a*m+b];
}
void upd(int a, int b, int c) {
    t[0]=ki(a-1, b-1), t[1]=ki(a-1, b), t[2]=ki(a, b-1), t[3]=ki(a, b);
    sort(t, t+4);
    ert=c;
    if (t[0]!=t[1]) st=t[0], fi=t[1]-1, add(1);
    if (t[2]!=t[3]) st=t[2], fi=t[3]-1, add(1);
}
void kupd(int a, int b, int c) {
    upd(a+1, b+1, c), upd(a+1, b, c);
    upd(a, b+1, c), upd(a, b, c);
}
int swap_seats(int a, int b) {
    kupd(sor[a], oszlop[a], -1), kupd(sor[b], oszlop[b], -1);
    swap(sor[a], sor[b]), swap(oszlop[a], oszlop[b]);
    pos[sor[a]*m+oszlop[a]]=a, pos[sor[b]*m+oszlop[b]]=b;
    kupd(sor[a], oszlop[a], 1), kupd(sor[b], oszlop[b], 1);
    return kdb[1];
}
void give_initial_chart(int a, int b, vector<int> c, vector<int> d) {
    n=a, m=b, k=n*m;
    for (int i=0; i<k; i++) sor[i]=c[i], oszlop[i]=d[i], pos[sor[i]*m+oszlop[i]]=i;
    for (int i=p; i<2*p; i++) {
        int x=i-p;
        kezd[i]=x, veg[i]=x, kdb[i]=1;
        if (x<k) kert[i]=0;
        else kert[i]=p;
    }
    for (int i=p-1; i>=0; i--) {
        int x=2*i, y=2*i+1;
        kezd[i]=kezd[x], veg[i]=veg[y];
        kert[i]=min(kert[x], kert[y]);
        if (kert[x]==kert[i]) kdb[i]+=kdb[x];
        if (kert[y]==kert[i]) kdb[i]+=kdb[y];
    }
    for (int i=0; i<=n; i++) for (int j=0; j<=m; j++) upd(i, j, 1);
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 92 ms 33328 KB Output is correct
2 Correct 105 ms 33416 KB Output is correct
3 Correct 115 ms 33420 KB Output is correct
4 Correct 74 ms 33304 KB Output is correct
5 Correct 70 ms 33328 KB Output is correct
6 Correct 95 ms 33288 KB Output is correct
7 Correct 104 ms 33292 KB Output is correct
8 Correct 111 ms 33348 KB Output is correct
9 Correct 104 ms 33348 KB Output is correct
10 Correct 103 ms 33348 KB Output is correct
11 Correct 98 ms 33296 KB Output is correct
12 Correct 69 ms 33348 KB Output is correct

Subtask #2
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 92 ms 33328 KB Output is correct
2 Correct 105 ms 33416 KB Output is correct
3 Correct 115 ms 33420 KB Output is correct
4 Correct 74 ms 33304 KB Output is correct
5 Correct 70 ms 33328 KB Output is correct
6 Correct 95 ms 33288 KB Output is correct
7 Correct 104 ms 33292 KB Output is correct
8 Correct 111 ms 33348 KB Output is correct
9 Correct 104 ms 33348 KB Output is correct
10 Correct 103 ms 33348 KB Output is correct
11 Correct 98 ms 33296 KB Output is correct
12 Correct 69 ms 33348 KB Output is correct
13 Correct 103 ms 33760 KB Output is correct
14 Correct 122 ms 33760 KB Output is correct
15 Correct 75 ms 33740 KB Output is correct
16 Correct 56 ms 33732 KB Output is correct
17 Correct 88 ms 33772 KB Output is correct
18 Correct 84 ms 33760 KB Output is correct
19 Correct 85 ms 33756 KB Output is correct
20 Correct 69 ms 33868 KB Output is correct
21 Correct 58 ms 33760 KB Output is correct
22 Correct 56 ms 33764 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2215 ms 68980 KB Output is correct
2 Correct 998 ms 69000 KB Output is correct
3 Correct 990 ms 69044 KB Output is correct
4 Correct 772 ms 69044 KB Output is correct
5 Correct 836 ms 68956 KB Output is correct
6 Correct 802 ms 69052 KB Output is correct
7 Correct 904 ms 68928 KB Output is correct
8 Correct 1006 ms 68992 KB Output is correct
9 Correct 929 ms 69056 KB Output is correct
10 Correct 900 ms 68868 KB Output is correct

Subtask #4
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 113 ms 33780 KB Output is correct
2 Correct 173 ms 36872 KB Output is correct
3 Correct 822 ms 68916 KB Output is correct
4 Correct 2175 ms 68936 KB Output is correct
5 Correct 744 ms 65132 KB Output is correct
6 Correct 1783 ms 68932 KB Output is correct
7 Correct 795 ms 67912 KB Output is correct
8 Correct 1002 ms 68924 KB Output is correct
9 Correct 1065 ms 66524 KB Output is correct
10 Correct 866 ms 68760 KB Output is correct
11 Correct 739 ms 67900 KB Output is correct

Subtask #5
33.0 / 33.0

# Verdict Execution time Memory Grader output
1 Correct 539 ms 34648 KB Output is correct
2 Correct 556 ms 34700 KB Output is correct
3 Correct 524 ms 34580 KB Output is correct
4 Correct 410 ms 34600 KB Output is correct
5 Correct 456 ms 34940 KB Output is correct
6 Correct 1145 ms 66756 KB Output is correct
7 Correct 1406 ms 68792 KB Output is correct
8 Correct 1124 ms 64876 KB Output is correct
9 Correct 2594 ms 68812 KB Output is correct
10 Correct 1087 ms 66752 KB Output is correct
11 Correct 1072 ms 67900 KB Output is correct
12 Correct 1044 ms 64984 KB Output is correct

Subtask #6
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 92 ms 33328 KB Output is correct
2 Correct 105 ms 33416 KB Output is correct
3 Correct 115 ms 33420 KB Output is correct
4 Correct 74 ms 33304 KB Output is correct
5 Correct 70 ms 33328 KB Output is correct
6 Correct 95 ms 33288 KB Output is correct
7 Correct 104 ms 33292 KB Output is correct
8 Correct 111 ms 33348 KB Output is correct
9 Correct 104 ms 33348 KB Output is correct
10 Correct 103 ms 33348 KB Output is correct
11 Correct 98 ms 33296 KB Output is correct
12 Correct 69 ms 33348 KB Output is correct
13 Correct 103 ms 33760 KB Output is correct
14 Correct 122 ms 33760 KB Output is correct
15 Correct 75 ms 33740 KB Output is correct
16 Correct 56 ms 33732 KB Output is correct
17 Correct 88 ms 33772 KB Output is correct
18 Correct 84 ms 33760 KB Output is correct
19 Correct 85 ms 33756 KB Output is correct
20 Correct 69 ms 33868 KB Output is correct
21 Correct 58 ms 33760 KB Output is correct
22 Correct 56 ms 33764 KB Output is correct
23 Correct 2215 ms 68980 KB Output is correct
24 Correct 998 ms 69000 KB Output is correct
25 Correct 990 ms 69044 KB Output is correct
26 Correct 772 ms 69044 KB Output is correct
27 Correct 836 ms 68956 KB Output is correct
28 Correct 802 ms 69052 KB Output is correct
29 Correct 904 ms 68928 KB Output is correct
30 Correct 1006 ms 68992 KB Output is correct
31 Correct 929 ms 69056 KB Output is correct
32 Correct 900 ms 68868 KB Output is correct
33 Correct 113 ms 33780 KB Output is correct
34 Correct 173 ms 36872 KB Output is correct
35 Correct 822 ms 68916 KB Output is correct
36 Correct 2175 ms 68936 KB Output is correct
37 Correct 744 ms 65132 KB Output is correct
38 Correct 1783 ms 68932 KB Output is correct
39 Correct 795 ms 67912 KB Output is correct
40 Correct 1002 ms 68924 KB Output is correct
41 Correct 1065 ms 66524 KB Output is correct
42 Correct 866 ms 68760 KB Output is correct
43 Correct 739 ms 67900 KB Output is correct
44 Correct 539 ms 34648 KB Output is correct
45 Correct 556 ms 34700 KB Output is correct
46 Correct 524 ms 34580 KB Output is correct
47 Correct 410 ms 34600 KB Output is correct
48 Correct 456 ms 34940 KB Output is correct
49 Correct 1145 ms 66756 KB Output is correct
50 Correct 1406 ms 68792 KB Output is correct
51 Correct 1124 ms 64876 KB Output is correct
52 Correct 2594 ms 68812 KB Output is correct
53 Correct 1087 ms 66752 KB Output is correct
54 Correct 1072 ms 67900 KB Output is correct
55 Correct 1044 ms 64984 KB Output is correct
56 Correct 783 ms 34424 KB Output is correct
57 Correct 955 ms 34412 KB Output is correct
58 Correct 635 ms 34920 KB Output is correct
59 Correct 1708 ms 68872 KB Output is correct
60 Correct 3342 ms 68788 KB Output is correct
61 Correct 1497 ms 85424 KB Output is correct
62 Correct 1245 ms 81604 KB Output is correct
63 Correct 3060 ms 85380 KB Output is correct
64 Correct 1821 ms 85408 KB Output is correct
65 Correct 1647 ms 85300 KB Output is correct
66 Correct 1862 ms 82652 KB Output is correct
67 Correct 1725 ms 85316 KB Output is correct
68 Correct 1263 ms 85004 KB Output is correct
69 Correct 2682 ms 85380 KB Output is correct