#include <bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define X first
#define Y second
#define y0 y12
#define y1 y22
#define INF 987654321987654321
#define PI 3.141592653589793238462643383279502884
#define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
#define fdn(i,a,b,c) for(int (i)=(a);(i)>=(b);(i)-=(c))
#define MEM0(a) memset((a),0,sizeof(a))
#define MEM_1(a) memset((a),-1,sizeof(a))
#define ALL(a) a.begin(),a.end()
#define COMPRESS(a) sort(ALL(a));a.resize(unique(ALL(a))-a.begin())
#define SYNC ios_base::sync_with_stdio(false);cin.tie(0)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef double db;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef pair<int, int> Pi;
typedef pair<ll, ll> Pll;
typedef pair<ld, ld> Pd;
typedef vector<int> Vi;
typedef vector<ll> Vll;
typedef vector<ld> Vd;
typedef vector<Pi> VPi;
typedef vector<Pll> VPll;
typedef vector<Pd> VPd;
typedef tuple<int, int, int> iii;
typedef tuple<int, int, int, int> iiii;
typedef tuple<ll, ll, ll> LLL;
typedef vector<iii> Viii;
typedef vector<LLL> VLLL;
typedef complex<double> base;
const int MOD = 998244353;
ll POW(ll a, ll b, ll MMM = MOD) { ll ret = 1; for (; b; b >>= 1, a = (a*a) % MMM)if (b & 1)ret = (ret*a) % MMM; return ret; }
int dx[] = { 0,1,0,-1,1,1,-1,-1 }, dy[] = { 1,0,-1,0,1,-1,1,-1 };
int ddx[] = { -1,-2,1,-2,2,-1,2,1 }, ddy[] = { -2,-1,-2,1,-1,2,1,2 };
#include "stations.h"
Vi vv[1000];
Vi labels;
int cc;
void dfs(int N,int p=-1,int d=0){
if(d==0)labels[N]=cc++;
for(int next:vv[N]){
if(next==p)continue;
dfs(next,N,d^1);
}
if(d==1)labels[N]=cc++;
}
Vi label(int n, int k, Vi u, Vi v) {
fup(i,0,n-1,1)vv[i].clear();
cc=0;
labels=Vi(n);
fup(i,0,n-2,1){
int x=u[i],y=v[i];
vv[x].pb(y);
vv[y].pb(x);
}
dfs(0);
return labels;
}
int find_next_station(int s, int t, Vi c) {
int N=c.size();
if(s<c[0]){
int pr=s;
fup(i,0,N-2,1){
if(pr+1<=t && t<=c[i])return c[i];
pr=c[i];
}
return c.back();
}else{
int pr=s;
fdn(i,N-1,1,1){
if(c[i]<=t && t<=pr-1)return c[i];
pr=c[i];
}
return c[0];
}
}
Compilation message
stations.cpp: In function 'Vi label(int, int, Vi, Vi)':
stations.cpp:10:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
| ^
stations.cpp:56:2: note: in expansion of macro 'fup'
56 | fup(i,0,n-1,1)vv[i].clear();
| ^~~
stations.cpp:10:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
| ^
stations.cpp:59:2: note: in expansion of macro 'fup'
59 | fup(i,0,n-2,1){
| ^~~
stations.cpp: In function 'int find_next_station(int, int, Vi)':
stations.cpp:10:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
10 | #define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
| ^
stations.cpp:72:3: note: in expansion of macro 'fup'
72 | fup(i,0,N-2,1){
| ^~~
stations.cpp:11:30: warning: unnecessary parentheses in declaration of 'i' [-Wparentheses]
11 | #define fdn(i,a,b,c) for(int (i)=(a);(i)>=(b);(i)-=(c))
| ^
stations.cpp:79:3: note: in expansion of macro 'fdn'
79 | fdn(i,N-1,1,1){
| ^~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
568 ms |
632 KB |
Output is correct |
2 |
Correct |
470 ms |
632 KB |
Output is correct |
3 |
Correct |
894 ms |
492 KB |
Output is correct |
4 |
Correct |
660 ms |
416 KB |
Output is correct |
5 |
Correct |
550 ms |
400 KB |
Output is correct |
6 |
Correct |
479 ms |
632 KB |
Output is correct |
7 |
Correct |
447 ms |
516 KB |
Output is correct |
8 |
Correct |
3 ms |
476 KB |
Output is correct |
9 |
Correct |
4 ms |
464 KB |
Output is correct |
10 |
Correct |
2 ms |
468 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
483 ms |
520 KB |
Output is correct |
2 |
Correct |
503 ms |
528 KB |
Output is correct |
3 |
Correct |
883 ms |
496 KB |
Output is correct |
4 |
Correct |
671 ms |
528 KB |
Output is correct |
5 |
Correct |
618 ms |
512 KB |
Output is correct |
6 |
Correct |
464 ms |
532 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
553 ms |
528 KB |
Output is correct |
2 |
Correct |
450 ms |
712 KB |
Output is correct |
3 |
Correct |
864 ms |
556 KB |
Output is correct |
4 |
Correct |
699 ms |
400 KB |
Output is correct |
5 |
Correct |
572 ms |
516 KB |
Output is correct |
6 |
Correct |
456 ms |
760 KB |
Output is correct |
7 |
Correct |
455 ms |
512 KB |
Output is correct |
8 |
Correct |
2 ms |
468 KB |
Output is correct |
9 |
Correct |
3 ms |
552 KB |
Output is correct |
10 |
Correct |
1 ms |
468 KB |
Output is correct |
11 |
Correct |
576 ms |
528 KB |
Output is correct |
12 |
Correct |
445 ms |
620 KB |
Output is correct |
13 |
Correct |
457 ms |
636 KB |
Output is correct |
14 |
Correct |
415 ms |
508 KB |
Output is correct |
15 |
Correct |
56 ms |
400 KB |
Output is correct |
16 |
Correct |
64 ms |
528 KB |
Output is correct |
17 |
Correct |
103 ms |
528 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
887 ms |
400 KB |
Output is correct |
2 |
Correct |
697 ms |
516 KB |
Output is correct |
3 |
Correct |
595 ms |
400 KB |
Output is correct |
4 |
Correct |
3 ms |
468 KB |
Output is correct |
5 |
Correct |
7 ms |
472 KB |
Output is correct |
6 |
Correct |
2 ms |
476 KB |
Output is correct |
7 |
Correct |
586 ms |
520 KB |
Output is correct |
8 |
Correct |
803 ms |
404 KB |
Output is correct |
9 |
Correct |
655 ms |
540 KB |
Output is correct |
10 |
Correct |
557 ms |
400 KB |
Output is correct |
11 |
Correct |
7 ms |
548 KB |
Output is correct |
12 |
Correct |
6 ms |
468 KB |
Output is correct |
13 |
Correct |
6 ms |
480 KB |
Output is correct |
14 |
Correct |
5 ms |
468 KB |
Output is correct |
15 |
Correct |
2 ms |
468 KB |
Output is correct |
16 |
Correct |
502 ms |
400 KB |
Output is correct |
17 |
Correct |
468 ms |
400 KB |
Output is correct |
18 |
Correct |
504 ms |
400 KB |
Output is correct |
19 |
Correct |
547 ms |
400 KB |
Output is correct |
20 |
Correct |
501 ms |
508 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
538 ms |
532 KB |
Output is correct |
2 |
Correct |
410 ms |
520 KB |
Output is correct |
3 |
Correct |
922 ms |
400 KB |
Output is correct |
4 |
Correct |
690 ms |
508 KB |
Output is correct |
5 |
Correct |
587 ms |
400 KB |
Output is correct |
6 |
Correct |
429 ms |
632 KB |
Output is correct |
7 |
Correct |
421 ms |
528 KB |
Output is correct |
8 |
Correct |
3 ms |
468 KB |
Output is correct |
9 |
Correct |
6 ms |
468 KB |
Output is correct |
10 |
Correct |
2 ms |
476 KB |
Output is correct |
11 |
Correct |
463 ms |
564 KB |
Output is correct |
12 |
Correct |
579 ms |
504 KB |
Output is correct |
13 |
Correct |
866 ms |
520 KB |
Output is correct |
14 |
Correct |
687 ms |
400 KB |
Output is correct |
15 |
Correct |
584 ms |
512 KB |
Output is correct |
16 |
Correct |
445 ms |
508 KB |
Output is correct |
17 |
Correct |
561 ms |
508 KB |
Output is correct |
18 |
Correct |
430 ms |
604 KB |
Output is correct |
19 |
Correct |
459 ms |
640 KB |
Output is correct |
20 |
Correct |
415 ms |
504 KB |
Output is correct |
21 |
Correct |
65 ms |
400 KB |
Output is correct |
22 |
Correct |
70 ms |
528 KB |
Output is correct |
23 |
Correct |
97 ms |
528 KB |
Output is correct |
24 |
Correct |
5 ms |
468 KB |
Output is correct |
25 |
Correct |
6 ms |
468 KB |
Output is correct |
26 |
Correct |
4 ms |
468 KB |
Output is correct |
27 |
Correct |
4 ms |
476 KB |
Output is correct |
28 |
Correct |
2 ms |
476 KB |
Output is correct |
29 |
Correct |
492 ms |
528 KB |
Output is correct |
30 |
Correct |
450 ms |
400 KB |
Output is correct |
31 |
Correct |
546 ms |
400 KB |
Output is correct |
32 |
Correct |
513 ms |
400 KB |
Output is correct |
33 |
Correct |
495 ms |
404 KB |
Output is correct |
34 |
Correct |
315 ms |
532 KB |
Output is correct |
35 |
Correct |
422 ms |
748 KB |
Output is correct |
36 |
Correct |
412 ms |
624 KB |
Output is correct |
37 |
Correct |
479 ms |
632 KB |
Output is correct |
38 |
Correct |
482 ms |
628 KB |
Output is correct |
39 |
Correct |
485 ms |
624 KB |
Output is correct |
40 |
Correct |
380 ms |
612 KB |
Output is correct |
41 |
Correct |
444 ms |
636 KB |
Output is correct |
42 |
Correct |
51 ms |
576 KB |
Output is correct |
43 |
Correct |
127 ms |
528 KB |
Output is correct |
44 |
Correct |
134 ms |
532 KB |
Output is correct |
45 |
Correct |
156 ms |
604 KB |
Output is correct |
46 |
Correct |
327 ms |
508 KB |
Output is correct |
47 |
Correct |
297 ms |
608 KB |
Output is correct |
48 |
Correct |
67 ms |
660 KB |
Output is correct |
49 |
Correct |
57 ms |
724 KB |
Output is correct |