답안 #423201

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
423201	2021-06-10T19:57:09 Z	MDario	고대 책들 (IOI17_books)	C++11	50 / 100	169 ms	15284 KB

books

#include "books.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define F first
#define S second
long long minimum_walk(vector<int> p, int s){
    ll n=p.size(), r=0, x=n, y=0, z=-1;
    bool b[n];
    for(int i=0; i<n; i++){
        b[i]=0;
        if(p[i]==i)b[i]=1;
    }
    vector<pair<ll, ll>> v;
    for(ll i=0; i<n; i++){
        if(!b[i]){
            //cout << z << " ";
            if(i>=z){
                if(z!=-1)r+=2*(i-z);
            }
            r+=p[i]-i;
            y=p[i];
            while(y!=i){
                z=max(z, y);
                b[y]=1;
                r+=abs(p[y]-y);
                y=p[y];
            }
            b[y]=1;
            z=max(z, y);
            v.push_back({i, z});
        }
    }
    if(v.empty())return 0;
    unique(v.begin(), v.end());
    sort(v.begin(), v.end());
    if(s>v.back().S)return r+2*(s-v.back().S);
    if(s<v[0].F) return r+2*(v[0].F-s);
    x=0;
    z=0;
//    for(int i=0; i<v.size(); i++){
//        if(i+1==v.size()){
//            if(s>=v[i].F&&s<=v[i].S&&v[i].S>z){
//                //cout << v[i].F << " " << v[i].S << "\n";
//                x=min(s-v[i].F, v[i].S-s);
//                z=v[i].S;
//            }
//        }
//        else if(v[i+1].F!=v[i].F){
//            if(s>=v[i].F&&s<=v[i].S&&v[i].S>z){
//                x=min(s-v[i].F, v[i].S-s);
//                z=v[i].S;
//            }
//        }
//    }
	return r+2*x;
}

Subtask #1

12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	288 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	0 ms	296 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	1 ms	292 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	288 KB	Output is correct
15	Correct	1 ms	296 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	288 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct

Subtask #2

10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	288 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	0 ms	296 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	1 ms	292 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	288 KB	Output is correct
15	Correct	1 ms	296 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	288 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	292 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	292 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct

Subtask #3

28.0 / 28.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	288 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	0 ms	296 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	1 ms	292 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	288 KB	Output is correct
15	Correct	1 ms	296 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	288 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	292 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	292 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	151 ms	10976 KB	Output is correct
31	Correct	154 ms	11024 KB	Output is correct
32	Correct	137 ms	10952 KB	Output is correct
33	Correct	169 ms	15156 KB	Output is correct
34	Correct	137 ms	15180 KB	Output is correct
35	Correct	142 ms	15284 KB	Output is correct
36	Correct	132 ms	15164 KB	Output is correct
37	Correct	124 ms	11700 KB	Output is correct
38	Correct	124 ms	11200 KB	Output is correct
39	Correct	125 ms	11184 KB	Output is correct
40	Correct	149 ms	10948 KB	Output is correct
41	Correct	138 ms	11004 KB	Output is correct
42	Correct	135 ms	10948 KB	Output is correct
43	Correct	139 ms	15244 KB	Output is correct

Subtask #4

0 / 20.0

#	결과	실행 시간	메모리	Grader output
1	Incorrect	1 ms	204 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2	Halted	0 ms	0 KB	-

Subtask #5

0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	204 KB	Output is correct
2	Correct	1 ms	288 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	0 ms	204 KB	Output is correct
5	Correct	1 ms	204 KB	Output is correct
6	Correct	0 ms	204 KB	Output is correct
7	Correct	1 ms	204 KB	Output is correct
8	Correct	0 ms	296 KB	Output is correct
9	Correct	0 ms	204 KB	Output is correct
10	Correct	1 ms	204 KB	Output is correct
11	Correct	0 ms	204 KB	Output is correct
12	Correct	1 ms	292 KB	Output is correct
13	Correct	1 ms	204 KB	Output is correct
14	Correct	1 ms	288 KB	Output is correct
15	Correct	1 ms	296 KB	Output is correct
16	Correct	1 ms	204 KB	Output is correct
17	Correct	0 ms	288 KB	Output is correct
18	Correct	1 ms	204 KB	Output is correct
19	Correct	1 ms	204 KB	Output is correct
20	Correct	1 ms	204 KB	Output is correct
21	Correct	1 ms	204 KB	Output is correct
22	Correct	1 ms	292 KB	Output is correct
23	Correct	1 ms	204 KB	Output is correct
24	Correct	1 ms	204 KB	Output is correct
25	Correct	1 ms	292 KB	Output is correct
26	Correct	1 ms	204 KB	Output is correct
27	Correct	1 ms	204 KB	Output is correct
28	Correct	1 ms	204 KB	Output is correct
29	Correct	1 ms	204 KB	Output is correct
30	Correct	151 ms	10976 KB	Output is correct
31	Correct	154 ms	11024 KB	Output is correct
32	Correct	137 ms	10952 KB	Output is correct
33	Correct	169 ms	15156 KB	Output is correct
34	Correct	137 ms	15180 KB	Output is correct
35	Correct	142 ms	15284 KB	Output is correct
36	Correct	132 ms	15164 KB	Output is correct
37	Correct	124 ms	11700 KB	Output is correct
38	Correct	124 ms	11200 KB	Output is correct
39	Correct	125 ms	11184 KB	Output is correct
40	Correct	149 ms	10948 KB	Output is correct
41	Correct	138 ms	11004 KB	Output is correct
42	Correct	135 ms	10948 KB	Output is correct
43	Correct	139 ms	15244 KB	Output is correct
44	Incorrect	1 ms	204 KB	3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45	Halted	0 ms	0 KB	-