Submission #1120895

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1120895	2024-11-28 09:22:56	Haciyev12	Tracks in the Snow (BOI13_tracks)	C++17	100 / 100	1799 ms	311500 KiB

tracks

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#include "bits/stdc++.h"
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define ll long long
#define pb push_back
#define in insert
#define F first
#define S second
#define vll vector<ll>
#define all(v) v.begin(),v.end()
#define endl '\n'
#define pii pair<ll,ll>
using namespace std;
const ll INF =1e18, mod = 1e9 + 7, N = 3e5 + 5;
ll n,m;
ll a[4005][4005];
ll st;
ll ans = 0;
queue<pii>q;
ll dx[4] = {-1,1, 0, 0};
ll dy[4] = {0, 0, -1, 1};
ll used[4005][4005];
vector<pii>q1;
bool test;
void ch(){
     test = false;
    while(!q.empty()){
        ll x = q.front().F;
        ll y = q.front().S;
        q.pop();
        if(used[x][y] == 1){
 
 
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Compilation message (stderr)

tracks.cpp: In function 'void ch()':
tracks.cpp:55:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |             for(int i = 0; i < q1.size(); i++){
      |                            ~~^~~~~~~~~~~

• Subtask 1: 30 / 30
• Subtask 2: 70 / 70