oj.uz

Submission #105230

# Submission time Handle Problem Language Result Execution time Memory
105230 2019-04-11T03:28:18 Z puyu_liao Ancient Books (IOI17_books) C++14
0 / 100
 3 ms 384 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 100005
bitset<N> vis;

lll minimum_walk(vector<int> p,int s){
	vis.reset();
	int ll = s,rr = s,gl,gr;
	lll ans = 0;
	for(int i=0;i<p.size();i++) if(!vis[i]){
		gl = p.size()+1, gr = -1;
		vis[i] = 1;
		int t = i;
		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);
		}
		if(gl <= gr && gr < s) ll = min(ll,gr);
		if(gl <= gr && gl > s) rr = max(rr,gl);
		ans += abs(p[t] - t);
	}
	return ans + rr+rr-ll-ll;
}

Compilation message

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

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 3 ms 256 KB Output is correct
3 Correct 2 ms 276 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Incorrect 2 ms 384 KB 3rd lines differ - on the 1st token, expected: '8', found: '10'
7 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 3 ms 256 KB Output is correct
3 Correct 2 ms 276 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Incorrect 2 ms 384 KB 3rd lines differ - on the 1st token, expected: '8', found: '10'
7 Halted 0 ms 0 KB -

Subtask #3
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 3 ms 256 KB Output is correct
3 Correct 2 ms 276 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Incorrect 2 ms 384 KB 3rd lines differ - on the 1st token, expected: '8', found: '10'
7 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 384 KB 3rd lines differ - on the 1st token, expected: '3304', found: '4718'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 3 ms 256 KB Output is correct
3 Correct 2 ms 276 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Incorrect 2 ms 384 KB 3rd lines differ - on the 1st token, expected: '8', found: '10'
7 Halted 0 ms 0 KB -