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Submission #423552

# Submission time Handle Problem Language Result Execution time Memory
423552 2021-06-11T09:21:36 Z Bill_00 Ancient Books (IOI17_books) C++14
0 / 100
 1 ms 304 KB 
#include "books.h"
#include  <bits/stdc++.h>
#define ll long long
using namespace std;
ll vis[1000005],ans,p[1000005];
void dfs(int node){
	vis[node]=1;
	ans+=(abs(p[node]-node));
	if(vis[p[node]]==1){
		return;
	}
	dfs(p[node]);
}
long long minimum_walk(std::vector<int> P, int s){
	int pre=0;
	for(int i=0;i<P.size();i++) p[i]=P[i];
	for(int i=0;i<P.size();i++){
		if(vis[i]==0 && i!=p[i]){
			ans+=(i-pre);
			dfs(i);
			pre=i;
		}
	}
	return ans+pre;
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:16:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   16 |  for(int i=0;i<P.size();i++) p[i]=P[i];
      |              ~^~~~~~~~~
books.cpp:17:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |  for(int i=0;i<P.size();i++){
      |              ~^~~~~~~~~

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 216 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 304 KB Output is correct
6 Incorrect 1 ms 204 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 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 216 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 304 KB Output is correct
6 Incorrect 1 ms 204 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 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 216 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 304 KB Output is correct
6 Incorrect 1 ms 204 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 1 ms 204 KB 3rd lines differ - on the 1st token, expected: '3304', found: '4728'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 216 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 304 KB Output is correct
6 Incorrect 1 ms 204 KB 3rd lines differ - on the 1st token, expected: '8', found: '10'
7 Halted 0 ms 0 KB -