답안 #790920

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
790920 2023-07-23T09:26:09 Z NothingXD 고대 책들 (IOI17_books) C++17
50 / 100
104 ms 18420 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 + min(cnt1, cnt2);
}
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 1 ms 288 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 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 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 312 KB Output is correct
16 Correct 1 ms 308 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 1 ms 288 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 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 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 312 KB Output is correct
16 Correct 1 ms 308 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 312 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 312 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 1 ms 288 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 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 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 312 KB Output is correct
16 Correct 1 ms 308 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 312 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 312 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 99 ms 16468 KB Output is correct
31 Correct 90 ms 16408 KB Output is correct
32 Correct 77 ms 8588 KB Output is correct
33 Correct 83 ms 18304 KB Output is correct
34 Correct 82 ms 18320 KB Output is correct
35 Correct 88 ms 18400 KB Output is correct
36 Correct 90 ms 18316 KB Output is correct
37 Correct 81 ms 18420 KB Output is correct
38 Correct 84 ms 18216 KB Output is correct
39 Correct 80 ms 17944 KB Output is correct
40 Correct 104 ms 16688 KB Output is correct
41 Correct 91 ms 16396 KB Output is correct
42 Correct 80 ms 16440 KB Output is correct
43 Correct 80 ms 16376 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 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 1 ms 288 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 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 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 1 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 1 ms 312 KB Output is correct
16 Correct 1 ms 308 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 312 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 212 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 ms 212 KB Output is correct
26 Correct 1 ms 312 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 99 ms 16468 KB Output is correct
31 Correct 90 ms 16408 KB Output is correct
32 Correct 77 ms 8588 KB Output is correct
33 Correct 83 ms 18304 KB Output is correct
34 Correct 82 ms 18320 KB Output is correct
35 Correct 88 ms 18400 KB Output is correct
36 Correct 90 ms 18316 KB Output is correct
37 Correct 81 ms 18420 KB Output is correct
38 Correct 84 ms 18216 KB Output is correct
39 Correct 80 ms 17944 KB Output is correct
40 Correct 104 ms 16688 KB Output is correct
41 Correct 91 ms 16396 KB Output is correct
42 Correct 80 ms 16440 KB Output is correct
43 Correct 80 ms 16376 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 -