Submission #653217

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
653217	2022-10-26 08:53:33	beaconmc	Factories (JOI14_factories)	C++14	33 / 100	8036 ms	150896 KiB

factories

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#pragma gcc optimize ( unroll-loops )
#pragma GCC optimize ("Ofast")
#pragma GCC target ("avx2")
#include "factories.h"
#include <bits/stdc++.h>
#define ll long long
#define FOR(i,x,y) for(ll i=x; i<y; i++)
using namespace std;
bool r[600000];
vector<pair<ll,ll>> edges[600000];
ll sub[600000], par[600000], ans[600000];
ll n,m,root;
ll first[600000];
ll dists[600000];
vector<ll> euler;
vector<ll> updated;
void dfs2(ll a, ll p, ll v){
  first[a] = euler.size();
  euler.push_back(a);
  for (auto&i : edges[a]){
    if (i.first!=p){ 
      dfs2(i.first, a, v+i.second);
      euler.push_back(a);
 
 
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Compilation message (stderr)

factories.cpp:1: warning: ignoring '#pragma gcc optimize' [-Wunknown-pragmas]
    1 | #pragma gcc optimize ( unroll-loops )
      | 
factories.cpp: In function 'void Init(int, int*, int*, int*)':
factories.cpp:8:33: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    8 | #define FOR(i,x,y) for(ll i=x; i<y; i++)
......
  166 |   FOR(i,0,euler.size()){
      |       ~~~~~~~~~~~~~~~~           
factories.cpp:166:3: note: in expansion of macro 'FOR'
  166 |   FOR(i,0,euler.size()){
      |   ^~~

• Subtask 1: 15 / 15
• Subtask 2: 18 / 18
• Subtask 3: 0 / 67