Submission #105258

# Submission time Handle Problem Language Result Execution time Memory
105258 2019-04-11T04:47:59 Z puyu_liao Ancient Books (IOI17_books) C++14
50 / 100
295 ms 8572 KB
#include<bits/stdc++.h>
#include<stdio.h>
using namespace std;
#define IOS {cin.tie(0);ios_base::sync_with_stdio(false);}

#include"books.h"
typedef long long lll;
#define N 1000005
bitset<N> vis;
vector<int> vvw;

lll minimum_walk(vector<int> p,int s){
	vis.reset();
	vvw.clear();
	int ll = s,rr = s,gl,gr;
	lll ans = 0;
	for(int i=0;i<p.size();) if(!vis[i]){
		gl = p.size()+1, gr = -1;
		int j = i;
		do{
			int t = j;
			if(vis[t]) {
				j++;
				continue;
			}
			vis[t] = 1;
			while(!vis[p[t]]){ 
				gl = min(gl,t); gr = max(gr,t);
				vis[p[t]] = 1;
				ans += abs(p[t] - t);
				t = p[t];
				gl = min(gl,t); gr = max(gr,t);
			}	
			ans += abs(p[t] - t);
			j++;
		}while(j<=gr);
		i = j;
		if(gl <= gr && gl < s && gr > s) vvw.push_back(2*(gr-gl));
		if(gl <= gr && gl < s) ll = min(ll,gl);
		if(gl <= gr && gr > s) rr = max(rr,gr);
		if(gl <= gr) ans -= 2*(gr - gl);
	}
	for(int i : vvw) ans += i;
	if(vvw.size()) ans -= *max_element(vvw.begin(),vvw.end());
	return ans + rr+rr-ll-ll;
}

Compilation message

books.cpp: In function 'lll minimum_walk(std::vector<int>, int)':
books.cpp:17:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<p.size();) if(!vis[i]){
              ~^~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 2 ms 512 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 640 KB Output is correct
4 Correct 2 ms 512 KB Output is correct
5 Correct 0 ms 512 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 3 ms 512 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 3 ms 512 KB Output is correct
10 Correct 3 ms 512 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 512 KB Output is correct
13 Correct 2 ms 512 KB Output is correct
14 Correct 2 ms 512 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 3 ms 512 KB Output is correct
17 Correct 2 ms 512 KB Output is correct
18 Correct 2 ms 512 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 512 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 640 KB Output is correct
4 Correct 2 ms 512 KB Output is correct
5 Correct 0 ms 512 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 3 ms 512 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 3 ms 512 KB Output is correct
10 Correct 3 ms 512 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 512 KB Output is correct
13 Correct 2 ms 512 KB Output is correct
14 Correct 2 ms 512 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 3 ms 512 KB Output is correct
17 Correct 2 ms 512 KB Output is correct
18 Correct 2 ms 512 KB Output is correct
19 Correct 3 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 0 ms 384 KB Output is correct
22 Correct 2 ms 512 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 3 ms 512 KB Output is correct
26 Correct 3 ms 384 KB Output is correct
27 Correct 3 ms 512 KB Output is correct
28 Correct 3 ms 512 KB Output is correct
29 Correct 3 ms 512 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 2 ms 512 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 640 KB Output is correct
4 Correct 2 ms 512 KB Output is correct
5 Correct 0 ms 512 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 3 ms 512 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 3 ms 512 KB Output is correct
10 Correct 3 ms 512 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 512 KB Output is correct
13 Correct 2 ms 512 KB Output is correct
14 Correct 2 ms 512 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 3 ms 512 KB Output is correct
17 Correct 2 ms 512 KB Output is correct
18 Correct 2 ms 512 KB Output is correct
19 Correct 3 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 0 ms 384 KB Output is correct
22 Correct 2 ms 512 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 3 ms 512 KB Output is correct
26 Correct 3 ms 384 KB Output is correct
27 Correct 3 ms 512 KB Output is correct
28 Correct 3 ms 512 KB Output is correct
29 Correct 3 ms 512 KB Output is correct
30 Correct 295 ms 8440 KB Output is correct
31 Correct 256 ms 8440 KB Output is correct
32 Correct 142 ms 8440 KB Output is correct
33 Correct 147 ms 8416 KB Output is correct
34 Correct 154 ms 8412 KB Output is correct
35 Correct 171 ms 8440 KB Output is correct
36 Correct 158 ms 8540 KB Output is correct
37 Correct 155 ms 8412 KB Output is correct
38 Correct 160 ms 8376 KB Output is correct
39 Correct 153 ms 8440 KB Output is correct
40 Correct 203 ms 8376 KB Output is correct
41 Correct 203 ms 8572 KB Output is correct
42 Correct 168 ms 8440 KB Output is correct
43 Correct 164 ms 8412 KB Output is correct
# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 512 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 2 ms 512 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 640 KB Output is correct
4 Correct 2 ms 512 KB Output is correct
5 Correct 0 ms 512 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 3 ms 512 KB Output is correct
8 Correct 3 ms 384 KB Output is correct
9 Correct 3 ms 512 KB Output is correct
10 Correct 3 ms 512 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 512 KB Output is correct
13 Correct 2 ms 512 KB Output is correct
14 Correct 2 ms 512 KB Output is correct
15 Correct 3 ms 384 KB Output is correct
16 Correct 3 ms 512 KB Output is correct
17 Correct 2 ms 512 KB Output is correct
18 Correct 2 ms 512 KB Output is correct
19 Correct 3 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 0 ms 384 KB Output is correct
22 Correct 2 ms 512 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 3 ms 512 KB Output is correct
26 Correct 3 ms 384 KB Output is correct
27 Correct 3 ms 512 KB Output is correct
28 Correct 3 ms 512 KB Output is correct
29 Correct 3 ms 512 KB Output is correct
30 Correct 295 ms 8440 KB Output is correct
31 Correct 256 ms 8440 KB Output is correct
32 Correct 142 ms 8440 KB Output is correct
33 Correct 147 ms 8416 KB Output is correct
34 Correct 154 ms 8412 KB Output is correct
35 Correct 171 ms 8440 KB Output is correct
36 Correct 158 ms 8540 KB Output is correct
37 Correct 155 ms 8412 KB Output is correct
38 Correct 160 ms 8376 KB Output is correct
39 Correct 153 ms 8440 KB Output is correct
40 Correct 203 ms 8376 KB Output is correct
41 Correct 203 ms 8572 KB Output is correct
42 Correct 168 ms 8440 KB Output is correct
43 Correct 164 ms 8412 KB Output is correct
44 Incorrect 4 ms 512 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -