oj.uz

Submission #804549

# Submission time Handle Problem Language Result Execution time Memory
804549 2023-08-03T09:43:56 Z Benmath Ancient Books (IOI17_books) C++14
50 / 100
 97 ms 21724 KB 
#include "books.h"

#include <bits/stdc++.h>

using namespace std;
long long minimum_walk(std::vector<int> p, int s) {
	long long int sum=0;
	int n=p.size();
	int vis[n];
	for(int i=0;i<n;i++){
	    vis[i]=0;
	}
long long	int sad=0;
vector<pair<int,int> >v;
	for(int i=0;i<n;i++){
	    if(vis[i]==0 and i!=p[i]){
	        int maxi=i;
	        sad=i;
	        int i1=i;
	        int t1=0;
	        long long int iduci=p[i];
	        long long int tren=i;
	        while(t1==0){
	            sum=sum+abs(iduci-tren);
	            vis[tren]++;
	            if(tren>maxi){
	                maxi=tren;
	            }
	            tren=iduci;
	            iduci=p[tren];
	            if(tren==i1){
	                break;
	            }
	        }
	        v.push_back({i,maxi});
	    }
	}
	int m=v.size();
	if(m==0){
	    return 0;
	}
	int so[m];
	so[0]=v[0].second;
	for(int i=1;i<m;i++){
	    so[i]=max(so[i-1],v[i].second);
	}
	sad=0;
	for(int i=v.size()-1;i>=0;i--){
	   long long int x=v[i].first;
	   long long int maxi1=0;
	    int t1=0;
	    if(i!=0){
	        maxi1=so[i-1];
	    }
	    
	   long long int zero=0;
	        sum=sum+2*max((x-maxi1),zero);
	         
	    
	}

	return sum;
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:51:10: warning: unused variable 't1' [-Wunused-variable]
   51 |      int t1=0;
      |          ^~
books.cpp:13:15: warning: variable 'sad' set but not used [-Wunused-but-set-variable]
   13 | long long int sad=0;
      |               ^~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 216 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 216 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 216 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 97 ms 12008 KB Output is correct
31 Correct 96 ms 12012 KB Output is correct
32 Correct 73 ms 11980 KB Output is correct
33 Correct 86 ms 14296 KB Output is correct
34 Correct 94 ms 21072 KB Output is correct
35 Correct 94 ms 21344 KB Output is correct
36 Correct 83 ms 20952 KB Output is correct
37 Correct 76 ms 19176 KB Output is correct
38 Correct 79 ms 18796 KB Output is correct
39 Correct 91 ms 18792 KB Output is correct
40 Correct 79 ms 18664 KB Output is correct
41 Correct 87 ms 18660 KB Output is correct
42 Correct 87 ms 18668 KB Output is correct
43 Correct 88 ms 21724 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 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 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 216 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 0 ms 212 KB Output is correct
30 Correct 97 ms 12008 KB Output is correct
31 Correct 96 ms 12012 KB Output is correct
32 Correct 73 ms 11980 KB Output is correct
33 Correct 86 ms 14296 KB Output is correct
34 Correct 94 ms 21072 KB Output is correct
35 Correct 94 ms 21344 KB Output is correct
36 Correct 83 ms 20952 KB Output is correct
37 Correct 76 ms 19176 KB Output is correct
38 Correct 79 ms 18796 KB Output is correct
39 Correct 91 ms 18792 KB Output is correct
40 Correct 79 ms 18664 KB Output is correct
41 Correct 87 ms 18660 KB Output is correct
42 Correct 87 ms 18668 KB Output is correct
43 Correct 88 ms 21724 KB Output is correct
44 Incorrect 0 ms 212 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -