Submission #432984

# Submission time Handle Problem Language Result Execution time Memory
432984 2021-06-18T16:53:57 Z cheetose Stations (IOI20_stations) C++17
0 / 100
3000 ms 2097156 KB
#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){
	for(int next:vv[N]){
		if(next==p)continue;
		dfs(next,N);
	}
	labels[N]=cc++;
}
Vi label(int n, int k, Vi u, Vi v) {
	labels.resize(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) {
	if(t<c[0])return c.back();
	auto it=lower_bound(ALL(c),t);
	if(it==c.end())return c.back();
	return *it;
}

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-2,1){
      |  ^~~
# Verdict Execution time Memory Grader output
1 Runtime error 1528 ms 2097156 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Execution timed out 3054 ms 408 KB Time limit exceeded
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 1508 ms 2097156 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 854 ms 556 KB Output is correct
2 Runtime error 1179 ms 2097156 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Runtime error 2703 ms 2097156 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -