답안 #26230 :: oj.uz

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
26230	2017-06-28T12:34:46 Z	youngyojun	Snowy Roads (JOI16_snowy)	C++11	100 / 100	25 ms	4776 KB

Anya
Boris

#include "Anyalib.h"
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <iostream>
#include <algorithm>
#include <vector>
#include <stack>
#include <deque>
#include <queue>
#include <set>
#include <map>
#include <unordered_map>
#include <bitset>
#include <string>
#include <tuple>
#define rf(x) (x)=0;while(*p<48)im=*p=='-';while(47<*p)(x)=((x)<<3)+((x)<<1)+(*p++&15);if(im)(x)=-(x);
#define pb push_back
#define sz(V) ((int)(V).size())
#define allv(V) ((V).begin()),((V).end())
#define befv(V) ((V)[(sz(V)-2)])
#define sorv(V) sort(allv(V))
#define revv(V) reverse(allv(V))
#define univ(V) (V).erase(unique(allv(V)),(V).end())
#define clv(V) (V).clear()
#define upmin(a,b) (a)=min((a),(b))
#define upmax(a,b) (a)=max((a),(b))
#define rb(x) ((x)&(-(x)))
#define INF (0x3f3f3f3f)
#define INFLL (0x3f3f3f3f3f3f3f3fll)
#define MAXN (6974)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<int, ll> pil;
typedef pair<ll, int> pli;
static void fg(vector<int> G[], int a, int b) { G[a].pb(b); G[b].pb(a); }

static vector<int> G[MAXN];
static vector<pii> EV;
static int A[MAXN], B[MAXN], P[MAXN], dep[MAXN];
static int C[MAXN], D[MAXN], S[MAXN];
static int N;

static int wl;
static void write(int num) {
	for(int i = 0; i < 10; i++) Save(wl++, (num & (1<<i)) ? 1 : 0);
}
static void dfs(int idx, int depth) {
	dep[idx] = depth; EV.pb({idx, 1});
	for(int v : G[idx]) if(!dep[v]) dfs(v, depth+1);
	EV.pb({idx, -1});
}
void InitAnya(int _N , int _A[] , int _B[]) {
	N = _N; for(int i = 0; i+1 < N; i++) { A[i+1] = _A[i]; B[i+1] = _B[i]; }
	for(int i = 1; i < N; i++) if(A[i] > B[i]) swap(A[i], B[i]);
	for(int i = 1; i < N; i++) P[i] = i;
	sort(P+1, P+N, [&](int a, int b) { return (pii){A[a], B[a]} < (pii){A[b], B[b]}; });
	for(int i = 1; i < N; i++) fg(G, A[P[i]], B[P[i]]);
	dfs(0, 1); for(int i = 0; i < 2*N; i++) if(1 == EV[i].second) C[EV[i].first] = i;
	for(int i = 1; i < N; i++) if(dep[A[i]] > dep[B[i]]) swap(A[i], B[i]);
}
void Anya(int _D[]) {
	for(int i = 0; i+1 < N; i++) D[B[i+1]] = _D[i];
	for(int i = 1; i < N; i++) Save(i-1, D[i]); wl = N-1;
	for(int i = 1; i < 2*N; i++) S[i] = S[i-1] + D[EV[i].first] * EV[i].second;
	for(int i = 20; i < 2*N; i += 20) write(S[i]);
	write(S[2*N-1]);
}

#include "Borislib.h"
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <iostream>
#include <algorithm>
#include <vector>
#include <stack>
#include <deque>
#include <queue>
#include <set>
#include <map>
#include <unordered_map>
#include <bitset>
#include <string>
#include <tuple>
#define rf(x) (x)=0;while(*p<48)im=*p=='-';while(47<*p)(x)=((x)<<3)+((x)<<1)+(*p++&15);if(im)(x)=-(x);
#define pb push_back
#define sz(V) ((int)(V).size())
#define allv(V) ((V).begin()),((V).end())
#define befv(V) ((V)[(sz(V)-2)])
#define sorv(V) sort(allv(V))
#define revv(V) reverse(allv(V))
#define univ(V) (V).erase(unique(allv(V)),(V).end())
#define clv(V) (V).clear()
#define upmin(a,b) (a)=min((a),(b))
#define upmax(a,b) (a)=max((a),(b))
#define rb(x) ((x)&(-(x)))
#define INF (0x3f3f3f3f)
#define INFLL (0x3f3f3f3f3f3f3f3fll)
#define MAXN (6974)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef pair<int, ll> pil;
typedef pair<ll, int> pli;
static void fg(vector<int> G[], int a, int b) { G[a].pb(b); G[b].pb(a); }
static int myabs(int n) { return n < 0 ? -n : n; }

static vector<int> G[MAXN];
static vector<pii> EV;
static int A[MAXN], B[MAXN], P[MAXN], dep[MAXN];
static int C[MAXN];
static int N;

static int read(int pos) {
	int ret = 0; for(int i = 0; i < 10; i++) ret += Ask(pos+i) ? (1<<i) : 0;
	return ret;
}
static void dfs(int idx, int depth) {
	dep[idx] = depth; EV.pb({idx, 1});
	for(int v : G[idx]) if(!dep[v]) dfs(v, depth+1);
	EV.pb({idx, -1});
}
void InitBoris(int _N , int _A[] , int _B[]) {
	N = _N; for(int i = 0; i+1 < N; i++) { A[i+1] = _A[i]; B[i+1] = _B[i]; }
	for(int i = 1; i < N; i++) if(A[i] > B[i]) swap(A[i], B[i]);
	for(int i = 1; i < N; i++) P[i] = i;
	sort(P+1, P+N, [&](int a, int b) { return (pii){A[a], B[a]} < (pii){A[b], B[b]}; });
	for(int i = 1; i < N; i++) fg(G, A[P[i]], B[P[i]]);
	dfs(0, 1); for(int i = 0; i < 2*N; i++) if(1 == EV[i].second) C[EV[i].first] = i;
	for(int i = 1; i < N; i++) if(dep[A[i]] > dep[B[i]]) swap(A[i], B[i]);
}
int Boris(int city) {
	int hubo = 0, huboi = 0, hd = C[city];
	for(int i = 20; i < 2*N; i += 20) {
		int ret = myabs(C[city] - i);
		if(hd > ret) { hd = ret; hubo = i / 20; huboi = i; }
	}
	{
		int ret = myabs(C[city] - (2*N-1));
		if(hd > ret) { hd = ret; hubo = (2*N-1) / 20 + 1; huboi = 2*N-1; }
	}
	int ret = hubo ? read(N-1 + (hubo-1) * 10) : 0;
	if(huboi <= C[city]) {
		for(int i = huboi+1; i <= C[city]; i++)
			ret += (EV[i].first ? Ask(EV[i].first-1) : 0) * EV[i].second;
	} else {
		for(int i = huboi; C[city] < i; i--)
			ret -= (EV[i].first ? Ask(EV[i].first-1) : 0) * EV[i].second;
	}
	return ret;
}

Subtask #1
15.0 / 15.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	4776 KB	Output is correct
2	Correct	0 ms	4776 KB	Output is correct
3	Correct	0 ms	4776 KB	Output is correct
4	Correct	0 ms	4776 KB	Output is correct
5	Correct	6 ms	4776 KB	Output is correct
6	Correct	6 ms	4776 KB	Output is correct
7	Correct	3 ms	4776 KB	Output is correct
8	Correct	3 ms	4776 KB	Output is correct
9	Correct	6 ms	4776 KB	Output is correct
10	Correct	3 ms	4776 KB	Output is correct

Subtask #2
5.0 / 5.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	4776 KB	Output is correct
2	Correct	6 ms	4776 KB	Output is correct
3	Correct	6 ms	4776 KB	Output is correct
4	Correct	0 ms	4776 KB	Output is correct
5	Correct	3 ms	4776 KB	Output is correct
6	Correct	9 ms	4776 KB	Output is correct
7	Correct	6 ms	4776 KB	Output is correct
8	Correct	9 ms	4776 KB	Output is correct
9	Correct	3 ms	4776 KB	Output is correct
10	Correct	6 ms	4776 KB	Output is correct

Subtask #3
35.0 / 35.0

#	결과	실행 시간	메모리	Grader output
1	Correct	12 ms	4776 KB	Output is correct
2	Correct	16 ms	4776 KB	Output is correct
3	Correct	16 ms	4776 KB	Output is correct
4	Correct	16 ms	4776 KB	Output is correct
5	Correct	16 ms	4776 KB	Output is correct
6	Correct	12 ms	4776 KB	Output is correct
7	Correct	16 ms	4776 KB	Output is correct
8	Correct	13 ms	4776 KB	Output is correct
9	Correct	12 ms	4776 KB	Output is correct
10	Correct	16 ms	4776 KB	Output is correct
11	Correct	16 ms	4776 KB	Output is correct
12	Correct	16 ms	4776 KB	Output is correct
13	Correct	19 ms	4776 KB	Output is correct
14	Correct	15 ms	4776 KB	Output is correct
15	Correct	25 ms	4776 KB	Output is correct
16	Correct	12 ms	4776 KB	Output is correct
17	Correct	19 ms	4776 KB	Output is correct
18	Correct	12 ms	4776 KB	Output is correct
19	Correct	16 ms	4776 KB	Output is correct
20	Correct	16 ms	4776 KB	Output is correct

Subtask #4
45.0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	9 ms	4776 KB	Output is correct
2	Correct	19 ms	4776 KB	Output is correct
3	Correct	12 ms	4776 KB	Output is correct
4	Correct	15 ms	4776 KB	Output is correct
5	Correct	19 ms	4776 KB	Output is correct
6	Correct	9 ms	4776 KB	Output is correct
7	Correct	16 ms	4776 KB	Output is correct
8	Correct	19 ms	4776 KB	Output is correct
9	Correct	12 ms	4776 KB	Output is correct
10	Correct	9 ms	4776 KB	Output is correct
11	Correct	9 ms	4776 KB	Output is correct
12	Correct	12 ms	4776 KB	Output is correct
13	Correct	19 ms	4776 KB	Output is correct
14	Correct	16 ms	4776 KB	Output is correct
15	Correct	12 ms	4776 KB	Output is correct
16	Correct	16 ms	4776 KB	Output is correct
17	Correct	16 ms	4776 KB	Output is correct
18	Correct	12 ms	4776 KB	Output is correct
19	Correct	12 ms	4776 KB	Output is correct
20	Correct	12 ms	4776 KB	Output is correct
21	Correct	9 ms	4776 KB	Output is correct
22	Correct	12 ms	4776 KB	Output is correct
23	Correct	9 ms	4776 KB	Output is correct
24	Correct	12 ms	4776 KB	Output is correct
25	Correct	9 ms	4776 KB	Output is correct
26	Correct	22 ms	4776 KB	Output is correct
27	Correct	12 ms	4776 KB	Output is correct
28	Correct	19 ms	4776 KB	Output is correct
29	Correct	12 ms	4776 KB	Output is correct
30	Correct	12 ms	4776 KB	Output is correct
31	Correct	9 ms	4776 KB	Output is correct
32	Correct	19 ms	4776 KB	Output is correct
33	Correct	12 ms	4776 KB	Output is correct
34	Correct	16 ms	4776 KB	Output is correct
35	Correct	6 ms	4776 KB	Output is correct
36	Correct	6 ms	4776 KB	Output is correct
37	Correct	16 ms	4776 KB	Output is correct
38	Correct	12 ms	4776 KB	Output is correct
39	Correct	12 ms	4776 KB	Output is correct
40	Correct	12 ms	4776 KB	Output is correct
41	Correct	12 ms	4776 KB	Output is correct
42	Correct	12 ms	4776 KB	Output is correct
43	Correct	9 ms	4776 KB	Output is correct
44	Correct	16 ms	4776 KB	Output is correct
45	Correct	9 ms	4776 KB	Output is correct
46	Correct	13 ms	4776 KB	Output is correct
47	Correct	12 ms	4776 KB	Output is correct
48	Correct	12 ms	4776 KB	Output is correct
49	Correct	16 ms	4776 KB	Output is correct
50	Correct	12 ms	4776 KB	Output is correct

답안 #26230

Compilation message

Subtask #1 15.0 / 15.0

Subtask #2 5.0 / 5.0

Subtask #3 35.0 / 35.0

Subtask #4 45.0 / 45.0

Subtask #1
15.0 / 15.0

Subtask #2
5.0 / 5.0

Subtask #3
35.0 / 35.0

Subtask #4
45.0 / 45.0