oj.uz

Submission #1048548

# Submission time Handle Problem Language Result Execution time Memory
1048548 2024-08-08T08:16:34 Z pcc Ancient Books (IOI17_books) C++17
22 / 100
 2000 ms 28092 KB 
#include "books.h"
#include <bits/stdc++.h>
using namespace std;

#define ll long long
const int mxn = 1e6+10;
int N;
int l[mxn],r[mxn];

long long minimum_walk(std::vector<int> p, int s) {
	ll ans = 0;
	N = p.size();
	for(int i = 0;i<N;i++){
		if(p[i] == i)continue;
		int a = i,b = p[i];
		if(a<b){
			l[a]++;
			l[b]--;
		}
		else{
			r[b]++;
			r[a]--;
		}
	}
	for(int i = 1;i<N;i++){
		l[i] += l[i-1];
		r[i] += r[i-1];
	}
	int rp = -1;
	for(int i = 0;i+1<N;i++){
		if(max(l[i],r[i]) != 0)rp = i;
	}
	for(int i = 0;i+1<N;i++)cerr<<l[i]<<' ';cerr<<endl;
	for(int i = 0;i+1<N;i++)cerr<<r[i]<<' ';cerr<<endl;
	for(int i = 0;i+1<N;i++){
		if(rp<i)break;
		ans += max({l[i],r[i],1})<<1;
	}
	return ans;
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:33:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   33 |  for(int i = 0;i+1<N;i++)cerr<<l[i]<<' ';cerr<<endl;
      |  ^~~
books.cpp:33:42: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   33 |  for(int i = 0;i+1<N;i++)cerr<<l[i]<<' ';cerr<<endl;
      |                                          ^~~~
books.cpp:34:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   34 |  for(int i = 0;i+1<N;i++)cerr<<r[i]<<' ';cerr<<endl;
      |  ^~~
books.cpp:34:42: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   34 |  for(int i = 0;i+1<N;i++)cerr<<r[i]<<' ';cerr<<endl;
      |                                          ^~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 1 ms 2420 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 1 ms 2420 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 4 ms 2396 KB Output is correct
20 Correct 5 ms 2396 KB Output is correct
21 Correct 3 ms 348 KB Output is correct
22 Correct 4 ms 2516 KB Output is correct
23 Correct 4 ms 2392 KB Output is correct
24 Correct 4 ms 2392 KB Output is correct
25 Correct 4 ms 2396 KB Output is correct
26 Correct 4 ms 2396 KB Output is correct
27 Correct 4 ms 2396 KB Output is correct
28 Correct 4 ms 2396 KB Output is correct
29 Correct 4 ms 2396 KB Output is correct

Subtask #3
0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 1 ms 2420 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 4 ms 2396 KB Output is correct
20 Correct 5 ms 2396 KB Output is correct
21 Correct 3 ms 348 KB Output is correct
22 Correct 4 ms 2516 KB Output is correct
23 Correct 4 ms 2392 KB Output is correct
24 Correct 4 ms 2392 KB Output is correct
25 Correct 4 ms 2396 KB Output is correct
26 Correct 4 ms 2396 KB Output is correct
27 Correct 4 ms 2396 KB Output is correct
28 Correct 4 ms 2396 KB Output is correct
29 Correct 4 ms 2396 KB Output is correct
30 Execution timed out 2093 ms 28092 KB Time limit exceeded
31 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 2648 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 2396 KB Output is correct
2 Correct 0 ms 2396 KB Output is correct
3 Correct 0 ms 2396 KB Output is correct
4 Correct 0 ms 2396 KB Output is correct
5 Correct 0 ms 2396 KB Output is correct
6 Correct 0 ms 2396 KB Output is correct
7 Correct 1 ms 2420 KB Output is correct
8 Correct 0 ms 2396 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 2396 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 2396 KB Output is correct
13 Correct 0 ms 2396 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 2396 KB Output is correct
16 Correct 0 ms 2396 KB Output is correct
17 Correct 0 ms 2396 KB Output is correct
18 Correct 0 ms 2396 KB Output is correct
19 Correct 4 ms 2396 KB Output is correct
20 Correct 5 ms 2396 KB Output is correct
21 Correct 3 ms 348 KB Output is correct
22 Correct 4 ms 2516 KB Output is correct
23 Correct 4 ms 2392 KB Output is correct
24 Correct 4 ms 2392 KB Output is correct
25 Correct 4 ms 2396 KB Output is correct
26 Correct 4 ms 2396 KB Output is correct
27 Correct 4 ms 2396 KB Output is correct
28 Correct 4 ms 2396 KB Output is correct
29 Correct 4 ms 2396 KB Output is correct
30 Execution timed out 2093 ms 28092 KB Time limit exceeded
31 Halted 0 ms 0 KB -