Submission #581734

# Submission time Handle Problem Language Result Execution time Memory
581734 2022-06-23T05:22:32 Z alirezasamimi100 Ancient Books (IOI17_books) C++17
50 / 100
202 ms 35696 KB
#include "books.h"
#include <bits/stdc++.h>

#define pb push_back
#define F first
#define S second

using namespace std;

using ll = long long int;
using pll = pair<ll, ll>;
using pii = pair<int, int>;

const int inf = 1.05e9;
const ll INF = 1e18;

ll minimum_walk(vector<int> p, int s) {
    ll ans = 0, mx = 0;
    int n = p.size(), l = s, r = s;
    ll d[n], g[n];
    memset(d, -1, sizeof d);
    memset(g, -1, sizeof g);
    d[s] = 0;
    queue<int> q[2];
    q[0].push(s);
    while(true){
        while(!q[0].empty()){
            int v = q[0].front();
            q[0].pop();
            for(int i = p[v]; d[i] == -1; i = p[i]){
                d[i] = d[v];
                q[0].push(i);
            }
            while(l > v){
                l--;
                if(d[l] == -1){
                    d[l] = d[v];
                    q[0].push(l);
                }
            }
            while(r < v){
                r++;
                if(d[r] == -1){
                    d[r] = d[v];
                    q[0].push(r);
                }
            }
            if(v && g[v - 1] == -1){
                g[v - 1] = d[v] + 1;
                q[1].push(v - 1);
            }
            if(v + 1 < n && g[v + 1] == -1){
                g[v + 1] = d[v] + 1;
                q[1].push(v + 1);
            }
        }
        if(q[1].empty()) break;
        int v = q[1].front();
        q[1].pop();
        if(d[v] != -1) continue;
        d[v] = g[v];
        for(int i = p[v]; d[i] == -1; i = p[i]){
            d[i] = d[v];
            q[0].push(i);
        }
        while(l > v){
            l--;
            if(d[l] == -1){
                d[l] = d[v];
                q[0].push(l);
            }
        }
        while(r < v){
            r++;
            if(d[r] == -1){
                d[r] = d[v];
                q[0].push(r);
            }
        }
        if(v && g[v - 1] == -1){
            g[v - 1] = d[v] + 1;
            q[1].push(v - 1);
        }
        if(v + 1 < n && g[v + 1] == -1){
            g[v + 1] = d[v] + 1;
            q[1].push(v + 1);
        }
    }
    for(int i = 0; i < n; i++){
        ans += abs(i - p[i]);
        if(p[i] != i) mx = max(mx, d[i]);
    }
    return ans + 2 * mx;
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 304 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 308 KB Output is correct
8 Correct 0 ms 304 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 296 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 300 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 304 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 308 KB Output is correct
8 Correct 0 ms 304 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 296 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 300 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 308 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 228 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 304 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 308 KB Output is correct
8 Correct 0 ms 304 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 296 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 300 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 308 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 228 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 202 ms 35692 KB Output is correct
31 Correct 185 ms 35696 KB Output is correct
32 Correct 116 ms 30444 KB Output is correct
33 Correct 134 ms 30440 KB Output is correct
34 Correct 125 ms 30428 KB Output is correct
35 Correct 147 ms 30552 KB Output is correct
36 Correct 162 ms 30444 KB Output is correct
37 Correct 129 ms 30448 KB Output is correct
38 Correct 132 ms 30444 KB Output is correct
39 Correct 135 ms 30564 KB Output is correct
40 Correct 139 ms 30764 KB Output is correct
41 Correct 159 ms 33124 KB Output is correct
42 Correct 147 ms 32460 KB Output is correct
43 Correct 130 ms 34808 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Incorrect 1 ms 212 KB 3rd lines differ - on the 1st token, expected: '2094', found: '1592'
5 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 304 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 308 KB Output is correct
8 Correct 0 ms 304 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 296 KB Output is correct
16 Correct 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 300 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 308 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 228 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 212 KB Output is correct
27 Correct 1 ms 212 KB Output is correct
28 Correct 1 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 202 ms 35692 KB Output is correct
31 Correct 185 ms 35696 KB Output is correct
32 Correct 116 ms 30444 KB Output is correct
33 Correct 134 ms 30440 KB Output is correct
34 Correct 125 ms 30428 KB Output is correct
35 Correct 147 ms 30552 KB Output is correct
36 Correct 162 ms 30444 KB Output is correct
37 Correct 129 ms 30448 KB Output is correct
38 Correct 132 ms 30444 KB Output is correct
39 Correct 135 ms 30564 KB Output is correct
40 Correct 139 ms 30764 KB Output is correct
41 Correct 159 ms 33124 KB Output is correct
42 Correct 147 ms 32460 KB Output is correct
43 Correct 130 ms 34808 KB Output is correct
44 Correct 1 ms 212 KB Output is correct
45 Correct 1 ms 212 KB Output is correct
46 Correct 1 ms 212 KB Output is correct
47 Incorrect 1 ms 212 KB 3rd lines differ - on the 1st token, expected: '2094', found: '1592'
48 Halted 0 ms 0 KB -