답안 #790916

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
790916 2023-07-23T09:24:37 Z fatemetmhr 고대 책들 (IOI17_books) C++17
50 / 100
152 ms 28672 KB
//  ~ Be Name Khoda ~  //

#include "books.h"
#include <bits/stdc++.h>
//#pragma GCC optimize ("O3")
//#pragma GCC target("avx2")
//#pragma GCC optimize("unroll-loops,Ofast")

using namespace std;

typedef long long ll;

#define pb       push_back
#define mp       make_pair
#define all(x)   x.begin(), x.end()
#define fi       first
#define se       second

const int maxn  =  1e6   + 10;
const int maxn5 =  1e6   + 10;
const int maxnt =  1.2e6 + 10;
const int maxn3 =  1e3   + 10;
const int mod   =  1e9   + 7;
const ll  inf   =  1e18;

ll ans = 0;
int per[maxn5], req[maxn5], cmp[maxn5], ps[maxn5];
int num = 0, av[maxn5], cnt = 0;
bool mark[maxn5];


void dfs(int v){
	mark[v] = true;
	req[min(v, per[v])]++;
	req[max(v, per[v])]--;
	ans += abs(v - per[v]);
	cnt++;
	cmp[v] = num;
	if(!mark[per[v]])
		dfs(per[v]);
}

int get(int l, int r){
	if(l > r)
		return 0;
	return ps[r] - (l ? ps[l - 1] : 0);
}


long long minimum_walk(std::vector<int> p, int s) {
	int n = p.size();
	int mx = 0;
	for(int i = 0; i < n; i++){
		per[i] = p[i];
		if(i != per[i]){
			s = min(s, i);
			mx = max(mx, i);
		}
	}
	int good = 0;
	fill(av, av + n + 5, n + 10);
	for(int i = 0; i < n; i++) if(!mark[i]){
		cnt = 0;
		dfs(i);
		if(cnt > 1)
			good++;
		num++;
	}
	int emp = 0, cur = 0;
	for(int i = 0; i < n; i++){
		cur += req[i];
		if(i)
			ps[i] = ps[i - 1];
		if(!cur)
			ps[i]++;
	}
	//cout << s << ' ' << mx << endl;
	return ans + 2 *  get(s, mx - 1);
}

Compilation message

books.cpp: In function 'long long int minimum_walk(std::vector<int>, int)':
books.cpp:69:6: warning: unused variable 'emp' [-Wunused-variable]
   69 |  int emp = 0, cur = 0;
      |      ^~~
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 152 ms 28608 KB Output is correct
31 Correct 134 ms 28660 KB Output is correct
32 Correct 106 ms 28548 KB Output is correct
33 Correct 111 ms 28656 KB Output is correct
34 Correct 113 ms 28564 KB Output is correct
35 Correct 115 ms 28628 KB Output is correct
36 Correct 110 ms 28648 KB Output is correct
37 Correct 113 ms 28660 KB Output is correct
38 Correct 110 ms 28660 KB Output is correct
39 Correct 111 ms 28664 KB Output is correct
40 Correct 111 ms 28656 KB Output is correct
41 Correct 121 ms 28544 KB Output is correct
42 Correct 142 ms 28672 KB Output is correct
43 Correct 113 ms 28660 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 340 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
2 Halted 0 ms 0 KB -
# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 0 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 152 ms 28608 KB Output is correct
31 Correct 134 ms 28660 KB Output is correct
32 Correct 106 ms 28548 KB Output is correct
33 Correct 111 ms 28656 KB Output is correct
34 Correct 113 ms 28564 KB Output is correct
35 Correct 115 ms 28628 KB Output is correct
36 Correct 110 ms 28648 KB Output is correct
37 Correct 113 ms 28660 KB Output is correct
38 Correct 110 ms 28660 KB Output is correct
39 Correct 111 ms 28664 KB Output is correct
40 Correct 111 ms 28656 KB Output is correct
41 Correct 121 ms 28544 KB Output is correct
42 Correct 142 ms 28672 KB Output is correct
43 Correct 113 ms 28660 KB Output is correct
44 Incorrect 1 ms 340 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -