Submission #41768

#	Time	Username	Problem	Language	Result	Execution time	Memory
41768		cmaster	Amusement Park (JOI17_amusement_park)	C++14	0 / 100	45 ms	13688 KiB

Joi

#include <bits/stdc++.h>
#include "Joi.h"
using namespace std;
static const int MAXN2 = (int)2e5+228;
static int val2[MAXN2], used2[MAXN2];
static vector < int > g2[MAXN2];
static long long tmp, XX;
void dfs2(int v, int len = 0) {
	used2[v] = 1;
	if(len < 60) {
		val2[v] = (bool)((1ll << len*1ll) & XX);
		MessageBoard(v, val2[v]);
	} else {
		val2[v] = 0;
		MessageBoard(v, val2[v]);
	}
	for(auto &to : g2[v]) {
		if(!used2[to]) dfs2(to, len+1);
	}
}

void Joi(int n, int m, int A[], int B[], long long X, int T) {
  for(int i = 0; i < n; i++){
    val2[i] = -1; used2[i] = 0;
    g2[i].clear();
  }
  for(int i = 0; i < m; ++i) {
		g2[A[i]].push_back(B[i]);
		g2[B[i]].push_back(A[i]);
  }
  XX = X;
  dfs2(0);
}

Ioi

#include "Ioi.h"
#include <bits/stdc++.h>
using namespace std;
static const int MAXN1 = (int)2e5+228;
static bool used1[MAXN1];
static vector < int > g1[MAXN1];
static int val1[MAXN1];
static long long ret = 0ll;
void dfs1(int v, int pr = -1) {
	for(auto &to : g1[v]) {
		if(val1[to] == -1) {
			val1[to] = Move(to);
			dfs1(to, v);
		}
	}
	if(pr >= 0) Move(pr);
}
/*void dfs11(int v, int len = 0) {
	used1[v] = 1;
	if(len < 60) ret ^= (1ll << len*1ll) * val1[v];
	for(auto &to : g1[v]) {
		if(!used1[to]) {
			dfs11(to, len+1);
		}
	}
}*/

long long Ioi(int n, int m, int A[], int B[], int P, int V, int T) {
	for(int i = 0; i < n; ++i) {
		used1[i] = 0;
		val1[i] = -1;
		g1[i].clear();
	}
	val1[P] = V;
	for(int i = 0; i < m; ++i) {
		g1[A[i]].push_back(B[i]);
		g1[B[i]].push_back(A[i]);
	}
	ret = 0ll;
	dfs1(P);
	/*for(int i = 0; i < n; ++i) used1[i] = 0;
	dfs11(0);*/
  return ret;
}

Compilation message (stderr)

Joi.cpp:7:18: warning: 'tmp' defined but not used [-Wunused-variable]
 static long long tmp, XX;
                  ^

• Subtask 1: 0 / 8
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 55
• Subtask 5: 0 / 17