답안 #790924

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
790924 2023-07-23T09:28:10 Z NothingXD 고대 책들 (IOI17_books) C++17
50 / 100
108 ms 17912 KB
#include "books.h"
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef complex<ld> point;

void debug_out(){cerr << endl;}

template<typename Head, typename... Tail>
void debug_out(Head H, Tail... T){
	cerr << H << ' ';
	debug_out(T...);
}

#define debug(...) cerr << "(" << #__VA_ARGS__ << "): ", debug_out(__VA_ARGS__)
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define MP(x, y) make_pair(x, y)

const int maxn = 1e6 + 10;
const ll inf = 1e18;
int n, mn, mx, cnt[maxn][2];
bool mark[maxn][2];

ll Calc(){
	ll ans = 0;
	for (int i = mn+1; i <= mx; i++){
		cnt[i][0] += cnt[i-1][0];
		cnt[i][1] += cnt[i-1][1];
		//debug(i, cnt[i][0], cnt[i][1]);
		if (cnt[i][0] == 0){
			cnt[i][0]++;
			cnt[i+1][0]--;
			mark[i][0] = true;
		}
		if (cnt[i][1] == 0){
			cnt[i][1]++;
			cnt[i+1][1]--;
			mark[i][1] = true;
		}
		if (cnt[i][0] < cnt[i][1]){
			mark[i][0] = true;
		}
		if (cnt[i][0] > cnt[i][1]){
			mark[i][1] = true;
		}
		//debug(i, cnt[i][0], cnt[i][1]);
		ans += 2 * max(cnt[i][0], cnt[i][1]);
	}
	debug(ans);
	return ans;
}

ll minimum_walk(vector<int> p, int s) {
	n = p.size();
	mn = s, mx = s;
	int mxmn = -1, mnmx = n+1;
	for (int i = 0; i < n; i++){
		if (p[i] == i) continue;
		mn = min(mn, i);
		if (i <= s) mxmn = max(mxmn, i);
		mx = max(mx, i);
		if (s <= i) mnmx = min(mnmx, i);
		if (p[i] < i){
			cnt[p[i]+1][0]++;
			cnt[i+1][0]--;
		}
		else{
			cnt[i+1][1]++;
			cnt[p[i]+1][1]--;
		}
	}
	//debug(mn, mx);
	if (mn == mx) return 0;
	//debug(1);
	if (mxmn == -1) mxmn = s;
	if (mnmx == n+1) mnmx = s;
	//debug(mxmn, mnmx);
	ll ans = Calc();
	int cnt1 = 0, cnt2 = 0;
	for (int i = mxmn+1; i <= s; i++){
		cnt1 += (!mark[i][0]);
		cnt1 += (!mark[i][1]);
	}
	for (int i = s+1; i <= mnmx; i++){
		cnt2 += (!mark[i][0]);
		cnt2 += (!mark[i][1]);
	}
	return ans + 2 * min(s - mxmn, mnmx - s);
}
# 결과 실행 시간 메모리 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 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 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 1 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 212 KB Output is correct
# 결과 실행 시간 메모리 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 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 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 1 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 1 ms 212 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
# 결과 실행 시간 메모리 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 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 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 1 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 1 ms 212 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 83 ms 15880 KB Output is correct
31 Correct 88 ms 15872 KB Output is correct
32 Correct 71 ms 8068 KB Output is correct
33 Correct 103 ms 17784 KB Output is correct
34 Correct 89 ms 17904 KB Output is correct
35 Correct 85 ms 17796 KB Output is correct
36 Correct 108 ms 17912 KB Output is correct
37 Correct 82 ms 17808 KB Output is correct
38 Correct 83 ms 17612 KB Output is correct
39 Correct 81 ms 17404 KB Output is correct
40 Correct 106 ms 16228 KB Output is correct
41 Correct 84 ms 15864 KB Output is correct
42 Correct 82 ms 15992 KB Output is correct
43 Correct 82 ms 15860 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Incorrect 1 ms 212 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 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 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 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 1 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 1 ms 212 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 212 KB Output is correct
29 Correct 1 ms 212 KB Output is correct
30 Correct 83 ms 15880 KB Output is correct
31 Correct 88 ms 15872 KB Output is correct
32 Correct 71 ms 8068 KB Output is correct
33 Correct 103 ms 17784 KB Output is correct
34 Correct 89 ms 17904 KB Output is correct
35 Correct 85 ms 17796 KB Output is correct
36 Correct 108 ms 17912 KB Output is correct
37 Correct 82 ms 17808 KB Output is correct
38 Correct 83 ms 17612 KB Output is correct
39 Correct 81 ms 17404 KB Output is correct
40 Correct 106 ms 16228 KB Output is correct
41 Correct 84 ms 15864 KB Output is correct
42 Correct 82 ms 15992 KB Output is correct
43 Correct 82 ms 15860 KB Output is correct
44 Incorrect 1 ms 212 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -