Submission #130601

#	Time	Username	Problem	Language	Result	Execution time	Memory
130601		abacaba	Factories (JOI14_factories)	C++14	Compilation error	0 ms	0 KiB

factories

#include "factories.h"
#include <bits/stdc++.h>
using namespace std;
 
#define pb push_back
#define ll long long

const int L = 23;
const ll inf = 2e15;
const int MAX_N = 5e5 + 15;
const int MAX_Q = 1e6 + 15;
const int MAX_SUM_ST = 1e6 + 15;
const int MAX_VALUE = 1e9;
 
int n, m, sz[MAX_N], sizeCentroid[MAX_N];
ll minn[MAX_N];
vector <int> g[MAX_N], d[MAX_N];
int pCentroid[MAX_N][L];
ll dCentroid[MAX_N][L];
bool deleted[MAX_N];
 
void build(int v, int p = -1) {
	sz[v] = 1;
	for(auto to : g[v])
		if(to != p && !deleted[to]) {
			build(to, v);
			sz[v] += sz[to];
		}
}
 
int centroid(int v, int p, int n) {
	for(auto to : g[v])
		if(!deleted[to] && to != p && sz[to] > n / 2)
			return centroid(to, v, n);
	return v;
}
 
void dfs(int v, int p, int center, ll dist = 0) {
	pCentroid[sizeCentroid[v]] = center;
	dCentroid[sizeCentroid[v]++] = dist;
	for(int i = 0; i < g[v].size(); ++i) {
		int to = g[v][i];
		if(!deleted[to] && to != p)
			dfs(to, v, center, dist + d[v][i]);
	}
}
 
void process(int center) {
	deleted[center] = true;
	build(center, -1);
	dfs(center, -1, center);
	for(int to : g[center])
		if(!deleted[to])
			process(centroid(to, -1, sz[to]));
}
 
void Init(int N, int A[], int B[], int D[]) {
	n = N;
	for(int i = 0; i < n; ++i) {
		g[A[i]].pb(B[i]);
		d[A[i]].pb(D[i]);
 
		g[B[i]].pb(A[i]);
		d[B[i]].pb(D[i]);
	}
	build(1);
	process(centroid(1, -1, n));
}
 
long long Query(int S, int X[], int T, int Y[]) {
	ll ans = inf;
	for(int i = 0; i < T; ++i) {
		for(int j = 0; j < sizeCentroid[Y[i]]; ++j)
			minn[pCentroid[Y[i]][j]] = inf;
	}
	for(int i = 0; i < S; ++i) {
		for(int j = 0; j < sizeCentroid[X[i]]; ++j)
			minn[pCentroid[X[i]][j]] = inf;
	}
	for(int i = 0; i < S; ++i)
		for(int j = 0; j < sizeCentroid[X[i]]; ++j) {
			int s = pCentroid[X[i]][j];
			minn[s] = min(minn[s], dCentroid[X[i]][j]);
		}
	for(int i = 0; i < T; ++i)
		for(int j = 0; j < sizeCentroid[Y[i]]; ++j) {
			int s = pCentroid[Y[i]][j];
			ans = min(ans, minn[s] + dCentroid[Y[i]][j]);
		}
	return ans;
}

Compilation message (stderr)

factories.cpp: In function 'void dfs(int, int, int, long long int)':
factories.cpp:39:31: error: incompatible types in assignment of 'int' to 'int [23]'
  pCentroid[sizeCentroid[v]] = center;
                               ^~~~~~
factories.cpp:40:33: error: incompatible types in assignment of 'long long int' to 'long long int [23]'
  dCentroid[sizeCentroid[v]++] = dist;
                                 ^~~~
factories.cpp:41:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < g[v].size(); ++i) {
                 ~~^~~~~~~~~~~~~