Submission #434319

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
434319	2021-06-20 23:25:09	dqhungdl	Road Closures (APIO21_roads)	C++17	100 / 100	425 ms	128400 KiB

roads

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#include "roads.h"
#include <bits/stdc++.h>
using namespace std;
typedef pair<int,int> ii;
const int MAX=1e5+5;
const long long INF=1e18;
vector<long long> f0,f1; // f0: do not need to close parent edge, f1: force to close parent edge (f0[u] >= f1[u])
vector<int> deg[MAX];
vector<ii> g[MAX];
bool mark[MAX];
int getBit(int x,int k) {
  return (x>>k)&1;
}
struct Node {
  long long sum,cnt;
  Node* C[2];
  Node() {
    sum=cnt=0;
    C[0]=C[1]=NULL;
  }
};
struct MinBucket {
  Node *root;
 
 
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Compilation message (stderr)

roads.cpp: In function 'void dfs(int, int, int)':
roads.cpp:81:17: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   81 |   if(g[v].size()<=atMost)
      |      ~~~~~~~~~~~^~~~~~~~
roads.cpp:80:20: warning: unused variable 'w' [-Wunused-variable]
   80 |   int v=edge.first,w=edge.second;
      |                    ^
roads.cpp:92:17: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   92 |   if(g[v].size()<=atMost)
      |      ~~~~~~~~~~~^~~~~~~~
roads.cpp:103:15: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  103 |  for(int i=0;i<=gaps.size();i++) {
      |              ~^~~~~~~~~~~~~
roads.cpp:112:7: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  112 |   if(i<gaps.size())
      |      ~^~~~~~~~~~~~
roads.cpp: In function 'std::vector<long long int> minimum_closure_costs(int, std::vector<int>, std::vector<int>, std::vector<int>)':
roads.cpp:147:18: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  147 |    if(g[u].size()<=i)
      |       ~~~~~~~~~~~^~~
roads.cpp:155:19: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  155 |     if(g[u].size()>i)
      |        ~~~~~~~~~~~^~
roads.cpp:160:18: warning: comparison of integer expressions of different signedness: 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  160 |    if(g[u].size()<=i)
      |       ~~~~~~~~~~~^~~

• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 14 / 14
• Subtask 4: 10 / 10
• Subtask 5: 17 / 17
• Subtask 6: 25 / 25
• Subtask 7: 22 / 22