oj.uz

답안 #425073

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
425073 2021-06-12T12:58:26 Z Theo830 장난감 기차 (IOI17_train) C++17
5 / 100
 10 ms 2152 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll INF = 1e9;
ll MOD = 998244353;
typedef pair<ll,ll> ii;
#define iii pair<int,int>
#define f(i,a,b) for(ll i = a;i < b;i++)
#define pb push_back
#define vll vector<ll>
#define F first
#define S second
#define all(x) (x).begin(), (x).end()
///I hope I will get uprating and don't make mistakes
///I will never stop programming
///sqrt(-1) Love C++
///Please don't hack me
///@TheofanisOrfanou Theo830
///Think different approaches (bs,dp,greedy,graphs,shortest paths,mst)
///Stay Calm
///Look for special cases
///Beware of overflow and array bounds
///Think the problem backwards
///Training
#include "train.h"
ll comp[5005];
bool v[5005];
vector<vll>adj;
vll nodes;
void solve(ll idx){
    nodes.pb(idx);
    for(auto x:adj[idx]){
        if(!v[x]){
            v[x] = 1;
            solve(x);
        }
    }
}
vector<int> who_wins(std::vector<int> a, std::vector<int> r, std::vector<int> u, std::vector<int> v) {
	vector<int> res(a.size());
	ll n = a.size();
	ll m = u.size();
	adj.assign(n+5,vll());
	f(i,0,m){
        adj[u[i]].pb(v[i]);
	}
	f(i,0,n){
	    vll neo;
        if(adj[i].size() == 2){
            sort(all(adj[i]));
            if((a[i] && r[i]) || (!a[i] && !r[i])){
                neo.pb(adj[i][0]);
            }
            else{
                neo.pb(adj[i][1]);
            }
        }
        else{
            neo = adj[i];
        }
        adj[i] = neo;
	}
	assert(adj[n-1][0] == n-1);
	for(ll i = n-1;i >= 0;i--){
        comp[i] = i;
        comp[i] = comp[adj[i][0]];
	}
	f(i,0,n){
	    res[i] = r[comp[i]];
	}
	return res;
}
/*
int main(){
	int n, m;
	assert(2 == scanf("%d %d", &n, &m));

	vector<int> a(n), r(n), u(m), v(m);

	for(int i = 0; i < n; i++)
		assert(1 == scanf("%d", &a[i]));

	for(int i = 0; i < n; i++)
		assert(1 == scanf("%d", &r[i]));

	for(int i = 0; i < m; i++)
		assert(2 == scanf("%d %d", &u[i], &v[i]));

	vector<int> res = who_wins(a, r, u, v);

	for(int i = 0; i < (int)res.size(); i++)
		printf(i ? " %d" : "%d", res[i]);
	printf("\n");

	return 0;
}
*/

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 716 KB Output is correct
2 Correct 4 ms 844 KB Output is correct
3 Correct 4 ms 844 KB Output is correct
4 Correct 4 ms 844 KB Output is correct
5 Correct 5 ms 820 KB Output is correct
6 Correct 4 ms 844 KB Output is correct
7 Correct 4 ms 844 KB Output is correct
8 Correct 4 ms 844 KB Output is correct
9 Correct 4 ms 844 KB Output is correct
10 Correct 4 ms 844 KB Output is correct
11 Correct 4 ms 844 KB Output is correct

Subtask #2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 1 ms 460 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 10 ms 2124 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #4
0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 7 ms 1868 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #5
0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 8 ms 2152 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #6
0 / 51.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 716 KB Output is correct
2 Correct 4 ms 844 KB Output is correct
3 Correct 4 ms 844 KB Output is correct
4 Correct 4 ms 844 KB Output is correct
5 Correct 5 ms 820 KB Output is correct
6 Correct 4 ms 844 KB Output is correct
7 Correct 4 ms 844 KB Output is correct
8 Correct 4 ms 844 KB Output is correct
9 Correct 4 ms 844 KB Output is correct
10 Correct 4 ms 844 KB Output is correct
11 Correct 4 ms 844 KB Output is correct
12 Runtime error 1 ms 460 KB Execution killed with signal 6
13 Halted 0 ms 0 KB -