Submission #1013376

#	Time	Username	Problem	Language	Result	Execution time	Memory
1013376		8pete8	Sprinkler (JOI22_sprinkler)	C++17	3 / 100	4066 ms	26192 KiB

sprinkler

#include<iostream>
#include<stack>
#include<map>
#include<vector>
#include<string>
#include<cassert>
#include<unordered_map>
#include <queue>
#include <cstdint>
#include<cstring>
#include<limits.h>
#include<cmath>
#include<set>
#include<algorithm>
#include <iomanip>
#include<numeric>
#include<bitset>
using namespace std;
#define ll long long
#define f first
#define s second
#define pii pair<int,int>
#define ppii pair<int,pii>
#define vi vector<int>
#define pb push_back
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define F(n) for(int i=0;i<n;i++)
#define lb lower_bound
#define ub upper_bound
#define fastio ios::sync_with_stdio(false);cin.tie(NULL);
#pragma GCC optimize ("03,unroll-lopps")
#define int long long
using namespace std;
const int mod=1e9+7,mxn=2e5+5,inf=1e18,minf=-1e18,lg=30;
//#undef int
int n,k,m;
vector<int>adj[mxn+10];
void setIO(string name){		
	ios_base::sync_with_stdio(0); cin.tie(0);		
	freopen((name+".in").c_str(),"r",stdin);		
	freopen((name+".out").c_str(),"w",stdout);	
}
int h[mxn+10],dist[mxn+10];
void solve(int x,int d,int w){
    stack<int>st;
    queue<int>q;
    q.push(x);
    dist[x]=0;
    while(!q.empty()){
        int cur=q.front();
        q.pop();
        h[cur]=(h[cur]%k*w%k)%k;
        st.push(cur);
        for(auto i:adj[cur])if(dist[i]==-1&&dist[cur]+1<=d)dist[i]=dist[cur]+1,q.push(i);
    }
    while(!st.empty())dist[st.top()]=-1,st.pop();
}
int32_t main(){
    fastio
    cin>>n>>k;
    for(int i=1;i<=n;i++)dist[i]=-1;
    for(int i=0;i<n-1;i++){
        int a,b;cin>>a>>b;
        adj[a].pb(b);
        adj[b].pb(a);
    }
    for(int i=1;i<=n;i++)cin>>h[i];
    int q;cin>>q;
    while(q--){
        int x;cin>>x;
        if(x==1){
            int a,b,c;cin>>a>>b>>c;
            solve(a,b,c);
        }
        else{
            int a;cin>>a;
            cout<<h[a]<<'\n';
        }
    }
}
/*
4 7
1 2
2 3
3 4
1
1
1
1
11
1 2 1 2
1 1 0 2
2 1
2 2
2 3
2 4
1 4 10 2
2 1
2 2
2 3
2 4

*/

Compilation message (stderr)

sprinkler.cpp:32:40: warning: bad option '-funroll-lopps' to pragma 'optimize' [-Wpragmas]
   32 | #pragma GCC optimize ("03,unroll-lopps")
      |                                        ^
sprinkler.cpp:39:23: warning: bad option '-funroll-lopps' to attribute 'optimize' [-Wattributes]
   39 | void setIO(string name){
      |                       ^
sprinkler.cpp:45:29: warning: bad option '-funroll-lopps' to attribute 'optimize' [-Wattributes]
   45 | void solve(int x,int d,int w){
      |                             ^
sprinkler.cpp:59:14: warning: bad option '-funroll-lopps' to attribute 'optimize' [-Wattributes]
   59 | int32_t main(){
      |              ^
sprinkler.cpp: In function 'void setIO(std::string)':
sprinkler.cpp:41:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   41 |  freopen((name+".in").c_str(),"r",stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sprinkler.cpp:42:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   42 |  freopen((name+".out").c_str(),"w",stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 3 / 3
• Subtask 2: 0 / 9
• Subtask 3: 0 / 29
• Subtask 4: 0 / 12
• Subtask 5: 0 / 30
• Subtask 6: 0 / 17