oj.uz

Submission #112330

# Submission time Handle Problem Language Result Execution time Memory
112330 2019-05-18T18:33:51 Z updown1 Ancient Books (IOI17_books) C++17
50 / 100
 272 ms 39292 KB 
#include "books.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define For(i, a, b) for(int i=a; i<b; i++)
#define ffi For(i, 0, N)
#define ffj For(j, 0, M)
#define ffa ffi ffj
//#define s <<" "<<
#define w cout
#define e "\n"
#define pb push_back
#define mp make_pair
#define a first
#define b second
//#define int ll
const int MAXN = 1000000;
//Global Variables
ll N, out = 0, loc[MAXN], comp[MAXN], at = 0;
///             element ,   element
pair<int, int> rng[MAXN];
///                comp
bool vis[MAXN], del[MAXN];
///   element ,     comp

void go1(int at, int co) {
	if (comp[at] != -1) return;
	rng[co].a = min(rng[co].a, at);
	rng[co].b = max(rng[co].b, at);
	comp[at] = co;
	out += abs(loc[at]-at);
	go1(loc[at], co);
}
void go(int at) {
	if (vis[at]) return;
	vis[at] = true;
	go(loc[at]);
}

ll minimum_walk(vector<int> p, int s) {
	N = p.size();
	ffi {rng[i] = mp(N, -1); comp[i] = -1; loc[i] = p[i];}
	ffi if (comp[i] == -1) {
		go1(i, at);
		at++;
	}
	//For (i, 0, at) w<< cost[i]<<e;
	sort(rng, rng+at);
	int far = -1;
	For (i, 0, at) if (rng[i].b >= s) {
		if (rng[i].a < far) {
			//w<<"deleting"<<e;
			del[comp[rng[i].a]] = true;
        }
		far = max(far, rng[i].b);
	}
	far = N+1;
	for (int i=at-1; i>=0; i--) if (rng[i].a <= s) {
		if (rng[i].b > far) {
			//w<<"deleting"<<e;
			del[comp[rng[i].a]] = true;
        }
		far = min(far, rng[i].a);
	}
	ffi if (loc[i] == i) del[comp[i]] = true;
	far = s;
	For (i, 0, at) if (rng[i].b >= s) {
	    if (!del[comp[rng[i].a]]) out += 2*(rng[i].a - far);
		if (loc[rng[i].b] != rng[i].b) far = max(far, rng[i].b);
		//w<< out<<e;
	}
	return out;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 3 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
27 Correct 2 ms 384 KB Output is correct
28 Correct 2 ms 512 KB Output is correct
29 Correct 2 ms 384 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 3 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
27 Correct 2 ms 384 KB Output is correct
28 Correct 2 ms 512 KB Output is correct
29 Correct 2 ms 384 KB Output is correct
30 Correct 268 ms 38340 KB Output is correct
31 Correct 272 ms 38460 KB Output is correct
32 Correct 154 ms 39292 KB Output is correct
33 Correct 162 ms 39032 KB Output is correct
34 Correct 161 ms 39140 KB Output is correct
35 Correct 158 ms 39032 KB Output is correct
36 Correct 152 ms 38648 KB Output is correct
37 Correct 146 ms 38540 KB Output is correct
38 Correct 149 ms 38456 KB Output is correct
39 Correct 149 ms 38368 KB Output is correct
40 Correct 167 ms 38364 KB Output is correct
41 Correct 226 ms 38392 KB Output is correct
42 Correct 216 ms 38492 KB Output is correct
43 Correct 175 ms 39176 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 384 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 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Correct 2 ms 384 KB Output is correct
6 Correct 2 ms 384 KB Output is correct
7 Correct 2 ms 384 KB Output is correct
8 Correct 2 ms 384 KB Output is correct
9 Correct 2 ms 384 KB Output is correct
10 Correct 2 ms 384 KB Output is correct
11 Correct 2 ms 384 KB Output is correct
12 Correct 2 ms 384 KB Output is correct
13 Correct 2 ms 384 KB Output is correct
14 Correct 2 ms 384 KB Output is correct
15 Correct 2 ms 384 KB Output is correct
16 Correct 2 ms 384 KB Output is correct
17 Correct 2 ms 384 KB Output is correct
18 Correct 2 ms 384 KB Output is correct
19 Correct 3 ms 384 KB Output is correct
20 Correct 2 ms 384 KB Output is correct
21 Correct 2 ms 384 KB Output is correct
22 Correct 2 ms 384 KB Output is correct
23 Correct 2 ms 384 KB Output is correct
24 Correct 2 ms 384 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 2 ms 384 KB Output is correct
27 Correct 2 ms 384 KB Output is correct
28 Correct 2 ms 512 KB Output is correct
29 Correct 2 ms 384 KB Output is correct
30 Correct 268 ms 38340 KB Output is correct
31 Correct 272 ms 38460 KB Output is correct
32 Correct 154 ms 39292 KB Output is correct
33 Correct 162 ms 39032 KB Output is correct
34 Correct 161 ms 39140 KB Output is correct
35 Correct 158 ms 39032 KB Output is correct
36 Correct 152 ms 38648 KB Output is correct
37 Correct 146 ms 38540 KB Output is correct
38 Correct 149 ms 38456 KB Output is correct
39 Correct 149 ms 38368 KB Output is correct
40 Correct 167 ms 38364 KB Output is correct
41 Correct 226 ms 38392 KB Output is correct
42 Correct 216 ms 38492 KB Output is correct
43 Correct 175 ms 39176 KB Output is correct
44 Incorrect 2 ms 384 KB 3rd lines differ - on the 1st token, expected: '3304', found: '2744'
45 Halted 0 ms 0 KB -