Submission #165289

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
165289	2019-11-26T11:00:15 Z	Segtree	Ancient Books (IOI17_books)	C++14	50 / 100	187 ms	13232 KB

books

#include<iostream>
#include<algorithm>
#include<vector>
#include"books.h"
using namespace std;
typedef long long ll;
#define chmin(a,b) a=min(a,b)
#define chmax(a,b) a=max(a,b)
#define N 1000010
ll minimum_walk(vector<int> p,int s){
    int n=p.size();
    ll sum=0;
    for(int i=0;i<n;i++)sum+=abs(i-p[i]);
    bool vis[N];
    for(int i=0;i<n;i++)vis[i]=0;
    vector<pair<int,int> >v;
    bool th=0;
    for(int i=0;i<n;i++){
	if(vis[i])continue;
	ll x=i;
	ll mi=1e17,ma=-1e17;
	while(1){
	    chmin(mi,x);
	    chmax(ma,x);
	    vis[x]=1;
	    x=p[x];
	    if(x==i)break;
	}
	if(mi!=ma){
	    v.push_back(make_pair(mi,ma));
	    if(mi<=s&&s<=ma)th=1;
	}
    }
    if(th==0)v.push_back(make_pair(s,s));
    else{
	int mi=1e9;
	for(int i=0;i<v.size();i++){
	    chmin(mi,abs(s-v[i].first));
	    chmin(mi,abs(s-v[i].second));
	}
	if(mi==1e9)return 0;
	sum+=mi*2;
    }
    sort(v.begin(),v.end());
    int rnd=-1;
    for(int i=0;i<v.size();i++){
	if(~rnd&&rnd<v[i].first)sum+=2*(v[i].first-rnd);
	chmax(rnd,v[i].second);
    }
    return sum;
}

Compilation message

books.cpp: In function 'll minimum_walk(std::vector<int>, int)':
books.cpp:37:15: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=0;i<v.size();i++){
              ~^~~~~~~~~
books.cpp:46:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<v.size();i++){
                 ~^~~~~~~~~

Subtask #1
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	3 ms	376 KB	Output is correct
4	Correct	2 ms	256 KB	Output is correct
5	Correct	1 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	252 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	256 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	256 KB	Output is correct
16	Correct	2 ms	256 KB	Output is correct
17	Correct	2 ms	256 KB	Output is correct
18	Correct	2 ms	504 KB	Output is correct

Subtask #2
10.0 / 10.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	3 ms	376 KB	Output is correct
4	Correct	2 ms	256 KB	Output is correct
5	Correct	1 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	252 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	256 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	256 KB	Output is correct
16	Correct	2 ms	256 KB	Output is correct
17	Correct	2 ms	256 KB	Output is correct
18	Correct	2 ms	504 KB	Output is correct
19	Correct	7 ms	376 KB	Output is correct
20	Correct	2 ms	276 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	380 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	2 ms	256 KB	Output is correct
28	Correct	2 ms	256 KB	Output is correct
29	Correct	2 ms	376 KB	Output is correct

Subtask #3
28.0 / 28.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	3 ms	376 KB	Output is correct
4	Correct	2 ms	256 KB	Output is correct
5	Correct	1 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	252 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	256 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	256 KB	Output is correct
16	Correct	2 ms	256 KB	Output is correct
17	Correct	2 ms	256 KB	Output is correct
18	Correct	2 ms	504 KB	Output is correct
19	Correct	7 ms	376 KB	Output is correct
20	Correct	2 ms	276 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	380 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	2 ms	256 KB	Output is correct
28	Correct	2 ms	256 KB	Output is correct
29	Correct	2 ms	376 KB	Output is correct
30	Correct	187 ms	9308 KB	Output is correct
31	Correct	185 ms	9208 KB	Output is correct
32	Correct	136 ms	9152 KB	Output is correct
33	Correct	169 ms	11436 KB	Output is correct
34	Correct	166 ms	11420 KB	Output is correct
35	Correct	153 ms	11460 KB	Output is correct
36	Correct	152 ms	11372 KB	Output is correct
37	Correct	146 ms	9676 KB	Output is correct
38	Correct	153 ms	11852 KB	Output is correct
39	Correct	153 ms	11768 KB	Output is correct
40	Correct	160 ms	11620 KB	Output is correct
41	Correct	182 ms	10816 KB	Output is correct
42	Correct	174 ms	10832 KB	Output is correct
43	Correct	156 ms	13232 KB	Output is correct

Subtask #4
0 / 20.0

#	Verdict	Execution time	Memory	Grader output
1	Incorrect	2 ms	376 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2	Halted	0 ms	0 KB	-

Subtask #5
0 / 30.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	376 KB	Output is correct
2	Correct	2 ms	376 KB	Output is correct
3	Correct	3 ms	376 KB	Output is correct
4	Correct	2 ms	256 KB	Output is correct
5	Correct	1 ms	376 KB	Output is correct
6	Correct	2 ms	376 KB	Output is correct
7	Correct	2 ms	376 KB	Output is correct
8	Correct	2 ms	252 KB	Output is correct
9	Correct	2 ms	256 KB	Output is correct
10	Correct	2 ms	256 KB	Output is correct
11	Correct	2 ms	256 KB	Output is correct
12	Correct	2 ms	256 KB	Output is correct
13	Correct	2 ms	376 KB	Output is correct
14	Correct	2 ms	376 KB	Output is correct
15	Correct	2 ms	256 KB	Output is correct
16	Correct	2 ms	256 KB	Output is correct
17	Correct	2 ms	256 KB	Output is correct
18	Correct	2 ms	504 KB	Output is correct
19	Correct	7 ms	376 KB	Output is correct
20	Correct	2 ms	276 KB	Output is correct
21	Correct	2 ms	376 KB	Output is correct
22	Correct	2 ms	376 KB	Output is correct
23	Correct	2 ms	376 KB	Output is correct
24	Correct	2 ms	380 KB	Output is correct
25	Correct	2 ms	376 KB	Output is correct
26	Correct	2 ms	376 KB	Output is correct
27	Correct	2 ms	256 KB	Output is correct
28	Correct	2 ms	256 KB	Output is correct
29	Correct	2 ms	376 KB	Output is correct
30	Correct	187 ms	9308 KB	Output is correct
31	Correct	185 ms	9208 KB	Output is correct
32	Correct	136 ms	9152 KB	Output is correct
33	Correct	169 ms	11436 KB	Output is correct
34	Correct	166 ms	11420 KB	Output is correct
35	Correct	153 ms	11460 KB	Output is correct
36	Correct	152 ms	11372 KB	Output is correct
37	Correct	146 ms	9676 KB	Output is correct
38	Correct	153 ms	11852 KB	Output is correct
39	Correct	153 ms	11768 KB	Output is correct
40	Correct	160 ms	11620 KB	Output is correct
41	Correct	182 ms	10816 KB	Output is correct
42	Correct	174 ms	10832 KB	Output is correct
43	Correct	156 ms	13232 KB	Output is correct
44	Incorrect	2 ms	376 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-

Submission #165289

Compilation message

Subtask #1 12.0 / 12.0

Subtask #2 10.0 / 10.0

Subtask #3 28.0 / 28.0

Subtask #4 0 / 20.0

Subtask #5 0 / 30.0

Subtask #1
12.0 / 12.0

Subtask #2
10.0 / 10.0

Subtask #3
28.0 / 28.0

Subtask #4
0 / 20.0

Subtask #5
0 / 30.0