Submission #548645

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
548645	2022-04-14 06:43:04	Khizri	Fountain Parks (IOI21_parks)	C++17	15 / 100	519 ms	59852 KiB

parks

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#include "parks.h"
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pb push_back
#define F first
#define S second
#define INF 1e18
#define all(v) (v).begin(),(v).end()
#define rall(v) (v).rbegin(),(v).rend()
#define pii pair<int,int>
#define pll pair<ll,ll>
const int mxn=2e5+5;
int color[mxn],say;
map<pii,int>mp;
map<int,bool>l,r;
vector<int>vt[mxn];
void dfs(int u){
    color[u]=1;
    say++;
    for(int v:vt[u]){
        if(!color[v]){
            dfs(v);
        }
    }
}
int construct_roads(std::vector<int> x, std::vector<int> y) {
    vector<int>a,b;
    for(int i=0;i<x.size();i++){
        mp[{x[i],y[i]}]=i;
 
 
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Compilation message (stderr)

parks.cpp: In function 'int construct_roads(std::vector<int>, std::vector<int>)':
parks.cpp:29:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   29 |     for(int i=0;i<x.size();i++){
      |                 ~^~~~~~~~~
parks.cpp:43:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   43 |     for(int i=1;i<a.size();i++){
      |                 ~^~~~~~~~~
parks.cpp:53:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |     for(int i=1;i<b.size();i++){
      |                 ~^~~~~~~~~
parks.cpp:74:11: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   74 |     if(say!=x.size()){
      |        ~~~^~~~~~~~~~

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