oj.uz

Submission #127688

# Submission time Handle Problem Language Result Execution time Memory
127688 2019-07-10T00:40:16 Z DanerZein Ancient Books (IOI17_books) C++14
12 / 100
 3 ms 376 KB 
#include "books.h"
#include <bits/stdc++.h>
using namespace std;
long long minimum_walk(std::vector<int> p, int s) {
	int i=s,d=0,b=-1;
	vector<int>q,q1;
	q=p;
	sort(q.begin(),q.end());
	q1=q;
	reverse(q1.begin(),q1.end());
	if(q1==p){
        int s=0;
        for(int i=0;i<p.size();i++){
            s+=abs(p[i]-i);
        }
        return s;
	}else{
	vector<bool>vis(p.size()-1,false);
	while(true){

        if(i!=p[i]){

            d+=abs(i-p[i]);

            if(b==-1){
                b=p[i];
                p[i]=-1;
            }
            else{
                if(p[i]==-1){
                    p[i]=b;
                }
                else{
                int aux=b;
                b=p[i];
                p[i]=aux;
                }
            }
            i=b;
            //vis[i]=true;

        }
        else{
            i++;
        }/*for(int j=0;j<p.size();j++){
            cout<<p[j]<<" ";
        }
        cout<<"b: "<<b<<" i: "<<i<<endl;*/
        if(q==p){
            break;
        }

	}
	d+=i;
	return d-1;
	}
}
/*
int main() {
	int n, s;
	assert(2 == scanf("%d %d", &n, &s));

	vector<int> p((unsigned) n);
	for(int i = 0; i < n; i++)
		assert(1 == scanf("%d", &p[(unsigned) i]));

	long long res = minimum_walk(p, s);
	printf("%lld\n", res);

	return 0;
}*/
/*
2 0
1 0
*/

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:13:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i=0;i<p.size();i++){
                     ~^~~~~~~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 252 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 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 376 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 2 ms 376 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 376 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 252 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 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 376 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 2 ms 376 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 376 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Incorrect 2 ms 376 KB 3rd lines differ - on the 1st token, expected: '338572', found: '338971'
20 Halted 0 ms 0 KB -

Subtask #3
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 252 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 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 376 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 2 ms 376 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 376 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Incorrect 2 ms 376 KB 3rd lines differ - on the 1st token, expected: '338572', found: '338971'
20 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 376 KB 3rd lines differ - on the 1st token, expected: '3304', found: '50194'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 252 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 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 376 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 3 ms 376 KB Output is correct
12 Correct 2 ms 376 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 376 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Incorrect 2 ms 376 KB 3rd lines differ - on the 1st token, expected: '338572', found: '338971'
20 Halted 0 ms 0 KB -