oj.uz

Submission #355340

# Submission time Handle Problem Language Result Execution time Memory
355340 2021-01-22T11:37:08 Z Kerim Ancient Books (IOI17_books) C++17
100 / 100
 249 ms 77676 KB 
#include "books.h"
#include "bits/stdc++.h"
#define MAXN 1000009
#define INF 1000000007
#define mp(x,y) make_pair(x,y)
#define all(v) v.begin(),v.end()
#define pb(x) push_back(x)
#define wr cout<<"----------------"<<endl;
#define ppb() pop_back()
#define tr(ii,c) for(__typeof((c).begin()) ii=(c).begin();ii!=(c).end();ii++)
#define ff first
#define ss second
#define my_little_dodge 46
#define debug(x)  cerr<< #x <<" = "<< x<<endl;
using namespace std;

typedef long long ll;
typedef pair<int,int> PII;
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
int L[MAXN],R[MAXN],bel[MAXN],S;
int destL,destR;
void extend(int &l,int &r){
	int lp=l,rp=r;
	if(bel[l])umin(lp,L[bel[l]]),umax(rp,R[bel[l]]);
	if(bel[r])umin(lp,L[bel[r]]),umax(rp,R[bel[r]]);
	while(l!=lp or r!=rp){	
		if(l>lp and bel[--l])umin(lp,L[bel[l]]),umax(rp,R[bel[l]]);	
		if(r<rp and bel[++r])umin(lp,L[bel[r]]),umax(rp,R[bel[r]]);	
	}
}
int rec(int l,int r){
	extend(l,r);
	if(l==destL and r==destR)return 0;
	if(l==destL)return rec(l,r+1)+2;
	if(r==destR)return rec(l-1,r)+2;
	int fl=l-1,fr=r;extend(fl,fr);
	int el=l,er=r+1;extend(el,er);
	int ans_l=1,ans_r=1;
	while(fl!=destL and fr<er){
		ans_l++;fl--;
		extend(fl,fr);	
	}
	if(fr<er)return ans_l*2+rec(fl,fr);
	fl=l,fr=r+1;extend(fl,fr);
	el=l-1,er=r;extend(el,er);
	while(fr!=destR and fl>el){
		ans_r++;fr++;
		extend(fl,fr);
	}
	return min(ans_l,ans_r)*2+rec(fl,fr);
}
long long minimum_walk(vector<int> p, int s) {
	int n=int(p.size());vector<int>vis(n);
	destL=destR=s;ll res=0;
	for(int i=0;i<n;i++){
		res+=abs(p[i]-i);
		if(p[i]!=i and !vis[i]){
			int to=i;L[++S]=i;
			do{umax(R[S],to);bel[to]=S;vis[to]=1;to=p[to];}while(to!=i);
			umin(destL,L[S]);umax(destR,R[S]);
		} 
	}
	return rec(s,s)+res;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 0 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 0 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 0 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 0 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct

Subtask #3
28.0 / 28.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 0 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 0 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 249 ms 15940 KB Output is correct
31 Correct 240 ms 15980 KB Output is correct
32 Correct 133 ms 12140 KB Output is correct
33 Correct 185 ms 77676 KB Output is correct
34 Correct 214 ms 77676 KB Output is correct
35 Correct 184 ms 60396 KB Output is correct
36 Correct 157 ms 29804 KB Output is correct
37 Correct 142 ms 16876 KB Output is correct
38 Correct 142 ms 16108 KB Output is correct
39 Correct 143 ms 16108 KB Output is correct
40 Correct 147 ms 16108 KB Output is correct
41 Correct 177 ms 15980 KB Output is correct
42 Correct 162 ms 15980 KB Output is correct
43 Correct 145 ms 18028 KB Output is correct

Subtask #4
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct

Subtask #5
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 0 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 0 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 512 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 0 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 0 ms 364 KB Output is correct
17 Correct 0 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 249 ms 15940 KB Output is correct
31 Correct 240 ms 15980 KB Output is correct
32 Correct 133 ms 12140 KB Output is correct
33 Correct 185 ms 77676 KB Output is correct
34 Correct 214 ms 77676 KB Output is correct
35 Correct 184 ms 60396 KB Output is correct
36 Correct 157 ms 29804 KB Output is correct
37 Correct 142 ms 16876 KB Output is correct
38 Correct 142 ms 16108 KB Output is correct
39 Correct 143 ms 16108 KB Output is correct
40 Correct 147 ms 16108 KB Output is correct
41 Correct 177 ms 15980 KB Output is correct
42 Correct 162 ms 15980 KB Output is correct
43 Correct 145 ms 18028 KB Output is correct
44 Correct 1 ms 364 KB Output is correct
45 Correct 1 ms 364 KB Output is correct
46 Correct 1 ms 364 KB Output is correct
47 Correct 1 ms 364 KB Output is correct
48 Correct 1 ms 364 KB Output is correct
49 Correct 1 ms 364 KB Output is correct
50 Correct 1 ms 364 KB Output is correct
51 Correct 1 ms 364 KB Output is correct
52 Correct 1 ms 364 KB Output is correct
53 Correct 1 ms 364 KB Output is correct
54 Correct 1 ms 364 KB Output is correct
55 Correct 1 ms 364 KB Output is correct
56 Correct 1 ms 364 KB Output is correct
57 Correct 1 ms 364 KB Output is correct
58 Correct 1 ms 364 KB Output is correct
59 Correct 1 ms 364 KB Output is correct
60 Correct 1 ms 364 KB Output is correct
61 Correct 1 ms 364 KB Output is correct
62 Correct 1 ms 364 KB Output is correct
63 Correct 1 ms 364 KB Output is correct
64 Correct 159 ms 16876 KB Output is correct
65 Correct 148 ms 16748 KB Output is correct
66 Correct 149 ms 16256 KB Output is correct
67 Correct 152 ms 16108 KB Output is correct
68 Correct 14 ms 2028 KB Output is correct
69 Correct 14 ms 1900 KB Output is correct
70 Correct 14 ms 2028 KB Output is correct
71 Correct 18 ms 2028 KB Output is correct
72 Correct 16 ms 2028 KB Output is correct
73 Correct 15 ms 1900 KB Output is correct
74 Correct 172 ms 41452 KB Output is correct
75 Correct 167 ms 47468 KB Output is correct
76 Correct 165 ms 17900 KB Output is correct
77 Correct 168 ms 17900 KB Output is correct
78 Correct 160 ms 18924 KB Output is correct
79 Correct 154 ms 18924 KB Output is correct
80 Correct 130 ms 12012 KB Output is correct
81 Correct 176 ms 51180 KB Output is correct
82 Correct 178 ms 51180 KB Output is correct
83 Correct 158 ms 20676 KB Output is correct
84 Correct 159 ms 19564 KB Output is correct
85 Correct 150 ms 17664 KB Output is correct
86 Correct 148 ms 16620 KB Output is correct
87 Correct 178 ms 31596 KB Output is correct
88 Correct 171 ms 26820 KB Output is correct
89 Correct 159 ms 21996 KB Output is correct
90 Correct 147 ms 16236 KB Output is correct
91 Correct 169 ms 16108 KB Output is correct
92 Correct 151 ms 15980 KB Output is correct