Submission #357667

# Submission time Handle Problem Language Result Execution time Memory
357667 2021-01-24T11:43:15 Z beksultan04 Ancient Books (IOI17_books) C++14
70 / 100
219 ms 114028 KB
#include "books.h"
#ifndef EVAL
#include "grader.cpp"
#endif // EVAL
#include <bits/stdc++.h>
using namespace std;
#define lol long long
#define pii pair<int,int>
#define pll pair<lol,lol>
#define OK puts("OK");
#define NO puts("NO");
#define YES puts("YES");
#define fr first
#define sc second
#define ret return
#define scanl(a) scanf("%lld",&a);
#define scanll(a,b) scanf("%lld %lld",&a, &b);
#define scanlll(a,b,c) scanf("%lld %lld %lld",&a,&b,&c);
#define scan1(a) scanf("%d",&a);
#define scan2(a,b) scanf("%d %d",&a, &b);
#define scan3(a,b,c) scanf("%d %d %d",&a,&b,&c);
#define all(s) s.begin(),s.end()
#define allr(s) s.rbegin(),s.rend()
#define pb push_back
#define sz(v) (int)v.size()
#define endi puts("");
#define eps 1e-12
int vis[1000001],n,tl,tr,t[1000001];
lol dp[2002][2002];
map<vector<int>,int> mp;
pii q[1000001];

void extend(int &l,int &r){
    int ll = min(q[t[l]].fr,q[t[r]].fr),rr = max(q[t[l]].sc,q[t[r]].sc);
    while (1){
        if (ll < l){
            ll = min(ll,q[t[--l]].fr);
            rr = max(rr,q[t[l]].sc);
        }
        else if (r < rr){
            ll = min(ll,q[t[++r]].fr);
            rr = max(rr,q[t[r]].sc);
        }
        else break;
    }
}


lol rec(int l,int r){
    if (l < tl || tr < r)ret 1e9+7;
    extend(l,r);
    if (l == tl && r == tr)ret 0;
    lol &res = dp[l][r];
    if (res != -1)ret dp[l][r];
    res = min(rec(l-1,r),rec(l,r+1))+2;
    ret res;
}



lol minimum_walk(vector<int> p, int s) {
    memset(dp,-1,sizeof(dp));
    n = p.size();
    int i,col=0;
    tl = tr = s;
    lol ans=0;
    for (i=0;i<n;++i){
        if (vis[i] == 1)continue;
        int x = i,l=i,r=i;
        while (vis[x] == 0){
            vis[x] = 1;
            l = min(l,x);
            r = max(x,r);
            t[x] = col;
            ans += abs(p[x]-x);
            x = p[x];
        }
        q[col++] = {l,r};
        if (l != r){
            tl = min(tl,l);
            tr = max(tr,r);
        }
    }
    ret ans+rec(s,s);
}






/*
4 0
0 2 3 1
*/




# Verdict Execution time Memory Grader output
1 Correct 16 ms 31744 KB Output is correct
2 Correct 15 ms 31724 KB Output is correct
3 Correct 16 ms 31724 KB Output is correct
4 Correct 15 ms 31744 KB Output is correct
5 Correct 16 ms 31852 KB Output is correct
6 Correct 15 ms 31724 KB Output is correct
7 Correct 16 ms 31852 KB Output is correct
8 Correct 16 ms 31724 KB Output is correct
9 Correct 16 ms 31744 KB Output is correct
10 Correct 16 ms 31724 KB Output is correct
11 Correct 16 ms 31724 KB Output is correct
12 Correct 16 ms 31724 KB Output is correct
13 Correct 15 ms 31724 KB Output is correct
14 Correct 16 ms 31724 KB Output is correct
15 Correct 17 ms 31724 KB Output is correct
16 Correct 15 ms 31724 KB Output is correct
17 Correct 16 ms 31724 KB Output is correct
18 Correct 16 ms 31724 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 16 ms 31744 KB Output is correct
2 Correct 15 ms 31724 KB Output is correct
3 Correct 16 ms 31724 KB Output is correct
4 Correct 15 ms 31744 KB Output is correct
5 Correct 16 ms 31852 KB Output is correct
6 Correct 15 ms 31724 KB Output is correct
7 Correct 16 ms 31852 KB Output is correct
8 Correct 16 ms 31724 KB Output is correct
9 Correct 16 ms 31744 KB Output is correct
10 Correct 16 ms 31724 KB Output is correct
11 Correct 16 ms 31724 KB Output is correct
12 Correct 16 ms 31724 KB Output is correct
13 Correct 15 ms 31724 KB Output is correct
14 Correct 16 ms 31724 KB Output is correct
15 Correct 17 ms 31724 KB Output is correct
16 Correct 15 ms 31724 KB Output is correct
17 Correct 16 ms 31724 KB Output is correct
18 Correct 16 ms 31724 KB Output is correct
19 Correct 16 ms 31724 KB Output is correct
20 Correct 15 ms 31724 KB Output is correct
21 Correct 15 ms 31724 KB Output is correct
22 Correct 16 ms 31744 KB Output is correct
23 Correct 16 ms 31744 KB Output is correct
24 Correct 16 ms 31724 KB Output is correct
25 Correct 16 ms 31724 KB Output is correct
26 Correct 16 ms 31724 KB Output is correct
27 Correct 16 ms 31724 KB Output is correct
28 Correct 16 ms 31724 KB Output is correct
29 Correct 16 ms 31724 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 16 ms 31744 KB Output is correct
2 Correct 15 ms 31724 KB Output is correct
3 Correct 16 ms 31724 KB Output is correct
4 Correct 15 ms 31744 KB Output is correct
5 Correct 16 ms 31852 KB Output is correct
6 Correct 15 ms 31724 KB Output is correct
7 Correct 16 ms 31852 KB Output is correct
8 Correct 16 ms 31724 KB Output is correct
9 Correct 16 ms 31744 KB Output is correct
10 Correct 16 ms 31724 KB Output is correct
11 Correct 16 ms 31724 KB Output is correct
12 Correct 16 ms 31724 KB Output is correct
13 Correct 15 ms 31724 KB Output is correct
14 Correct 16 ms 31724 KB Output is correct
15 Correct 17 ms 31724 KB Output is correct
16 Correct 15 ms 31724 KB Output is correct
17 Correct 16 ms 31724 KB Output is correct
18 Correct 16 ms 31724 KB Output is correct
19 Correct 16 ms 31724 KB Output is correct
20 Correct 15 ms 31724 KB Output is correct
21 Correct 15 ms 31724 KB Output is correct
22 Correct 16 ms 31744 KB Output is correct
23 Correct 16 ms 31744 KB Output is correct
24 Correct 16 ms 31724 KB Output is correct
25 Correct 16 ms 31724 KB Output is correct
26 Correct 16 ms 31724 KB Output is correct
27 Correct 16 ms 31724 KB Output is correct
28 Correct 16 ms 31724 KB Output is correct
29 Correct 16 ms 31724 KB Output is correct
30 Correct 219 ms 54052 KB Output is correct
31 Correct 216 ms 54124 KB Output is correct
32 Correct 145 ms 62060 KB Output is correct
33 Correct 182 ms 89580 KB Output is correct
34 Correct 183 ms 89580 KB Output is correct
35 Correct 174 ms 79724 KB Output is correct
36 Correct 158 ms 62316 KB Output is correct
37 Correct 170 ms 54720 KB Output is correct
38 Correct 149 ms 54124 KB Output is correct
39 Correct 148 ms 54144 KB Output is correct
40 Correct 152 ms 54124 KB Output is correct
41 Correct 168 ms 54124 KB Output is correct
42 Correct 166 ms 54124 KB Output is correct
43 Correct 158 ms 60028 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 20 ms 31724 KB Output is correct
2 Correct 16 ms 31724 KB Output is correct
3 Correct 18 ms 31724 KB Output is correct
4 Correct 19 ms 31724 KB Output is correct
5 Correct 18 ms 31724 KB Output is correct
6 Correct 17 ms 31724 KB Output is correct
7 Correct 16 ms 31724 KB Output is correct
8 Correct 15 ms 31724 KB Output is correct
9 Correct 15 ms 31724 KB Output is correct
10 Correct 17 ms 31732 KB Output is correct
11 Correct 18 ms 31724 KB Output is correct
12 Correct 16 ms 31724 KB Output is correct
13 Correct 19 ms 31724 KB Output is correct
14 Correct 15 ms 31724 KB Output is correct
15 Correct 15 ms 31724 KB Output is correct
16 Correct 17 ms 31724 KB Output is correct
17 Correct 18 ms 31724 KB Output is correct
18 Correct 16 ms 31724 KB Output is correct
19 Correct 16 ms 31724 KB Output is correct
20 Correct 15 ms 31724 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 16 ms 31744 KB Output is correct
2 Correct 15 ms 31724 KB Output is correct
3 Correct 16 ms 31724 KB Output is correct
4 Correct 15 ms 31744 KB Output is correct
5 Correct 16 ms 31852 KB Output is correct
6 Correct 15 ms 31724 KB Output is correct
7 Correct 16 ms 31852 KB Output is correct
8 Correct 16 ms 31724 KB Output is correct
9 Correct 16 ms 31744 KB Output is correct
10 Correct 16 ms 31724 KB Output is correct
11 Correct 16 ms 31724 KB Output is correct
12 Correct 16 ms 31724 KB Output is correct
13 Correct 15 ms 31724 KB Output is correct
14 Correct 16 ms 31724 KB Output is correct
15 Correct 17 ms 31724 KB Output is correct
16 Correct 15 ms 31724 KB Output is correct
17 Correct 16 ms 31724 KB Output is correct
18 Correct 16 ms 31724 KB Output is correct
19 Correct 16 ms 31724 KB Output is correct
20 Correct 15 ms 31724 KB Output is correct
21 Correct 15 ms 31724 KB Output is correct
22 Correct 16 ms 31744 KB Output is correct
23 Correct 16 ms 31744 KB Output is correct
24 Correct 16 ms 31724 KB Output is correct
25 Correct 16 ms 31724 KB Output is correct
26 Correct 16 ms 31724 KB Output is correct
27 Correct 16 ms 31724 KB Output is correct
28 Correct 16 ms 31724 KB Output is correct
29 Correct 16 ms 31724 KB Output is correct
30 Correct 219 ms 54052 KB Output is correct
31 Correct 216 ms 54124 KB Output is correct
32 Correct 145 ms 62060 KB Output is correct
33 Correct 182 ms 89580 KB Output is correct
34 Correct 183 ms 89580 KB Output is correct
35 Correct 174 ms 79724 KB Output is correct
36 Correct 158 ms 62316 KB Output is correct
37 Correct 170 ms 54720 KB Output is correct
38 Correct 149 ms 54124 KB Output is correct
39 Correct 148 ms 54144 KB Output is correct
40 Correct 152 ms 54124 KB Output is correct
41 Correct 168 ms 54124 KB Output is correct
42 Correct 166 ms 54124 KB Output is correct
43 Correct 158 ms 60028 KB Output is correct
44 Correct 20 ms 31724 KB Output is correct
45 Correct 16 ms 31724 KB Output is correct
46 Correct 18 ms 31724 KB Output is correct
47 Correct 19 ms 31724 KB Output is correct
48 Correct 18 ms 31724 KB Output is correct
49 Correct 17 ms 31724 KB Output is correct
50 Correct 16 ms 31724 KB Output is correct
51 Correct 15 ms 31724 KB Output is correct
52 Correct 15 ms 31724 KB Output is correct
53 Correct 17 ms 31732 KB Output is correct
54 Correct 18 ms 31724 KB Output is correct
55 Correct 16 ms 31724 KB Output is correct
56 Correct 19 ms 31724 KB Output is correct
57 Correct 15 ms 31724 KB Output is correct
58 Correct 15 ms 31724 KB Output is correct
59 Correct 17 ms 31724 KB Output is correct
60 Correct 18 ms 31724 KB Output is correct
61 Correct 16 ms 31724 KB Output is correct
62 Correct 16 ms 31724 KB Output is correct
63 Correct 15 ms 31724 KB Output is correct
64 Runtime error 216 ms 114028 KB Execution killed with signal 11
65 Halted 0 ms 0 KB -