Submission #740223

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
740223	2023-05-12 07:33:35	vjudge1	Fountain Parks (IOI21_parks)	C++17	5 / 100	190 ms	40380 KiB

parks

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#include "parks.h"
#include<bits/stdc++.h>
#define f first
#define s second
using namespace std;
const int maxn = 2e5 + 100;
int ord[maxn];
int used[maxn];
int sum;
vector<int>g[maxn];
void dfs(int v){
  used[v] = 1;
  sum++;
  for(auto to: g[v]){
    if(!used[to]) dfs(to);
  }
}
int construct_roads(std::vector<int> x, std::vector<int> y){
    int n = x.size();
  if (x.size() == 1) {
  build({}, {}, {}, {});
        return 1;
    }
  vector<pair<int, int>>c[2];
  for(int i=0; i<n; i++){
    int num = 0;
    if(x[i] == 4) num = 1; 
      c[num].push_back({y[i], i});
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

parks.cpp: In function 'int construct_roads(std::vector<int>, std::vector<int>)':
parks.cpp:45:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   45 |   for(int i=1; i<c[0].size(); i++){
      |                ~^~~~~~~~~~~~
parks.cpp:53:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |   for(int i=1; i<c[1].size(); i++){
      |                ~^~~~~~~~~~~~
parks.cpp:62:17: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |   for(int i=0; i<c[0].size(); i++){
      |                ~^~~~~~~~~~~~
parks.cpp:63:14: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   63 |    while(pos < c[1].size() && c[1][pos].f < c[0][i].f) pos++;
      |          ~~~~^~~~~~~~~~~~~
parks.cpp:64:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |    if(pos < c[1].size() && c[1][pos].f == c[0][i].f){
      |       ~~~~^~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30