제출 #873429

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
873429		vjudge1	Colors (RMI18_colors)	C++17	7 / 100	111 ms	612 KiB

colors

// #pragma GCC target( "sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
// #pragma GCC optimize("Ofast,unroll-loops,fast-math,O3")  
#include<bits/stdc++.h>
#define f first
#define s second
#define pb push_back
#define sz(x) (int)x.size()
#define bit(a, i) ((a>>i)&1)

using namespace std;
typedef long long ll;
typedef pair<int, int> pii;

const int P = 31;
const int K = 400;
const ll inf = 1e9;
const ll INF = 1e18;
const int mod = 1e9+7;
const int maxn = 5e3 + 10;
const int dx[] = {0, 0, -1, 1};
const int dy[] = {1, -1, 0, 0};

int a[maxn];
int b[maxn];
int n, m, sz;
int us[maxn];
vector<int>g[maxn];

int dfs(int v, int x){
    us[v] = sz;
    if(a[v] < x) return 0;
    if(b[v] > x) return 0;
    if(a[v] == x) return 1;
    int ans = 0;
    for(int to: g[v]){
        if(us[to] == sz) continue;
        ans |= dfs(to, x);
    } 
    return ans;
}

void ihtw(){
    cin >> n >> m;
    for(int i=1; i<=n; i++) cin >> a[i];
    for(int i=1; i<=n; i++) {
        cin >> b[i];
        g[i].clear();
    }
    for(int i=0; i<m; i++){
        int u, v;
        cin >> u >> v;
        g[u].pb(v);
        g[v].pb(u);
    } 
    for(int i=1; i<=n; i++){
        sort(g[i].begin(), g[i].end());
        g[i].resize(unique(g[i].begin(), g[i].end())-g[i].begin());
    } 
    sz = 1;
    for(int i=1; i<=n; i++, sz++){
        if(!dfs(i, b[i])){
            cout << "0\n";
            return;
        }
    } cout << "1\n";
}

int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int t; cin >> t;
    while(t--) ihtw();
}   

• Subtask 1: 0 / 15
• Subtask 2: 7 / 7
• Subtask 3: 0 / 8
• Subtask 4: 0 / 15
• Subtask 5: 0 / 7
• Subtask 6: 0 / 16
• Subtask 7: 0 / 10
• Subtask 8: 0 / 22