/*input
*/
/**
Author: Kristopher Paul
Date Created: 11-02-2021
**/
#include<bits/stdc++.h>
#include<stdio.h>
//#include<unordered_map>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
#define ll long long
#define int ll
#define pb push_back
#define INF 1e18
#define MOD 1000000007
//#define MOD 998244353
#define mp make_pair
const double PI=3.141592653589793238462643383279502884197169399375105820974944;
#define REP(i,n) for (int i = 0; i < n; i++)
#define FOR(i,a,b) for (int i = a; i < b; i++)
#define REPD(i,n) for (int i = n-1; i >= 0; i--)
#define FORD(i,a,b) for (int i = a; i >= b; i--)
#define remax(a,b) a = max(a,b)
#define remin(a,b) a = min(a,b)
#define umap map
#define pii pair<int,int>
#define F first
#define S second
#define mii map<int,int>
//#define vi vector<int>
#define vvi vector<vi>
#define itr :: iterator it
#define all(v) v.begin(),v.end()
#define WL(t) while(t--)
#define gcd(a,b) __gcd((a),(b))
#define lcm(a,b) ((a)*(b))/gcd((a),(b))
#define out(x) cout << #x << " is " << x << endl
#define FastIO ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
using namespace std;
//using namespace __gnu_pbds;
//typedef tree<int,null_type,less<int>,rb_tree_tag,tree_order_statistics_node_update> pbds; // set
//typedef tree<int,null_type,less_equal<int>,rb_tree_tag,tree_order_statistics_node_update> pbds; // multiset
int ModExp(int x,int y,int m){
int res = 1;
x = x % m;
while (y > 0)
{
if (y & 1)
res = (res*x) % m;
y = y>>1;
x = (x*x) % m;
}
return res;
}
vi adj[1005];
int val[1005];
int dfs(int cv,int p,int c){
FOR(i,0,adj[cv].size()){
if(adj[cv][i] != p){
c = dfs(adj[cv][i],cv,c);
}
}
val[cv] = c;
return c+1;
}
vi label(int n,int k,vi u,vi v){
FOR(i,0,n){
adj[i].clear();
}
FOR(i,0,n-1){
adj[u[i]].pb(v[i]);
adj[v[i]].pb(u[i]);
}
dfs(0,-1,0);
vi ans;
FOR(i,0,n){
ans.pb(val[i]);
}
return ans;
}
int find_next_station(int s,int t,vi c){
if(t <= c[0]){
return c[0];
}else if(t <= c[1]){
return c[1];
}else{
return c[2];
}
}
Compilation message
stations.cpp:62:1: error: 'vi' does not name a type; did you mean 'vvi'?
62 | vi adj[1005];
| ^~
| vvi
stations.cpp: In function 'long long int dfs(long long int, long long int, long long int)':
stations.cpp:66:13: error: 'adj' was not declared in this scope
66 | FOR(i,0,adj[cv].size()){
| ^~~
stations.cpp:22:40: note: in definition of macro 'FOR'
22 | #define FOR(i,a,b) for (int i = a; i < b; i++)
| ^
stations.cpp: At global scope:
stations.cpp:75:1: error: 'vi' does not name a type; did you mean 'vvi'?
75 | vi label(int n,int k,vi u,vi v){
| ^~
| vvi
stations.cpp:91:35: error: 'vi' has not been declared
91 | int find_next_station(int s,int t,vi c){
| ^~
stations.cpp: In function 'long long int find_next_station(long long int, long long int, int)':
stations.cpp:92:16: error: invalid types 'int[int]' for array subscript
92 | if(t <= c[0]){
| ^
stations.cpp:93:19: error: invalid types 'int[int]' for array subscript
93 | return c[0];
| ^
stations.cpp:94:22: error: invalid types 'int[int]' for array subscript
94 | }else if(t <= c[1]){
| ^
stations.cpp:95:19: error: invalid types 'int[int]' for array subscript
95 | return c[1];
| ^
stations.cpp:97:19: error: invalid types 'int[int]' for array subscript
97 | return c[2];
| ^
