#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
const long long INF = 1e17;
typedef long long ll;
const ll MOD = (ll)1e9+7;
#define P pair
#define S second
#define F first
#define pb push_back
#define V vector
#define all(v) v.begin(), v.end()
V<int>adj[(int)1000];
V<P<int,int>>vp(1000);
int dep[1000];
int cnt=0;
void dfs(int n,int p) {
vp[n].F=cnt;
for (auto u:adj[n]) {
if(u==p)continue;
cnt++;
dep[u]=dep[n]+1;
dfs(u,n);
}
cnt++;
vp[n].S=cnt;
}
std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
cnt=0;
dep[0]=0;
for (int i=0;i<n-1;i++) {
adj[u[i]].pb(v[i]);
adj[v[i]].pb(u[i]);
}
dfs(0,-1);
V<int>l(n);
for (int i=0;i<n;i++) {
if (dep[i]%2==0) {
l[i]=vp[i].F;
}
else
l[i]=vp[i].S;
}
for (int i=0;i<n;i++) {
adj[i].clear();
}
return l;
}
int find_next_station(int s, int t, std::vector<int> c) {
int sz=(int)c.size();
if (s==0) {
P<int,int>b[sz];
for (int i=0;i<sz;i++) {
if (i==0) {
b[i].F=1;
b[i].S=c[i];
}
else {
b[i].F=c[i-1]+1;
b[i].S=c[i];
}
}
for (int i=0;i<sz;i++) {
if (t>=b[i].F && t<=b[i].S) {
return c[i];
}
}
}
else {
if (c[0]<s) {
P<int,int>b[sz];
for (int i=1;i<sz;i++) {
if (i==sz-1) {
b[i].F=c[i];
b[i].S=s-1;
}
else {
b[i].F=c[i];
b[i].S=c[i+1]-1;
}
}
for (int i=1;i<sz;i++) {
if (b[i].F<=t && t<=b[i].S) {
return c[i];
}
}
return c[0];
}
P<int,int>b[sz];
for (int i=0;i<sz-1;i++) {
if (i==0) {
b[i].F=s+1;
b[i].S=c[i];
}
else {
b[i].F=c[i-1]+1;
b[i].S=c[i];
}
}
for (int i=0;i<sz-1;i++) {
if (t>=b[i].F && t<=b[i].S) {
return c[i];
}
}
return c[sz-1];
}
}
컴파일 시 표준 에러 (stderr) 메시지
stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:107:1: warning: control reaches end of non-void function [-Wreturn-type]
107 | }
| ^
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