Submission #742014

#	Time	Username	Problem	Language	Result	Execution time	Memory
742014		irmuun	Ball Machine (BOI13_ballmachine)	C++17	Compilation error	0 ms	0 KiB

ballmachine

#include<bits/stdc++.h>

using namespace std;

#define pb push_back
#define ll long long
#define ff first
#define ss second
#define all(s) s.begin(),s.end()

/*

struct segtree{
    int n;
    vector<int>d;
    segtree(int x){
        n=x;
        d.resize(4*n);
        build(1,0,n-1);
    }
    void build(int node,int l,int r){
        if(l==r){
            d[node]=0;
            return;
        }
        int mid=(l+r)/2;
        build(node*2,l,mid);
        build(node*2+1,mid+1,r);
        d[node]=d[node*2]+d[node*2+1];
    }
    int query(int node,int l,int r,int L,int R){
        if(r<L||R<l||l>r){
            return 0;
        }
        if(l<=L&&R<=r){
            return d[node];
        }
        int mid=(l+r)/2;
        return query(node*2,l,mid,L,R)+query(node*2+1,mid+1,r,L,R);
    }
    void update(int node,int l,int r,int pos,int val){
        if(r<pos||pos<l){
            return;
        }
        if(l==r){
            d[node]=val;
            return;
        }
        int mid=(l+r)/2;
        update(node*2,l,mid,pos,val);
        update(node*2+1,mid+1,r,pos,val);
        d[node]=d[node*2]+d[node*2+1];
    }
};*/

const ll N=1e5+5;
vector<int>v[N],adj[N],mn;
int n,q,root,used[N],mn[N];
set<int>s;
vector<int>ord;
void cal(int v){
    mn[v]=v;
    for(auto u:adj[v]){
        cal(u);
        mn[u]=min(mn[u],mn[v]);
    }
}
void dfs(int u){
    vector<pair<int,int>>p;
    for(auto v:adj[u]){
        p.pb({mn[v],v});
    }
    sort(all(p));
    for(auto [val,v]:p){
        dfs(u);
    }
    ord.pb(u);
}
void op1(){
    int x=*s.begin();
    used[x]=1;
    
}
void op2(){
    
}

int main(){
    cin>>n>>q;
    for(int i=1;i<=n;i++){
        int p;
        cin>>p;
        if(p>0){
            adj[p-1].pb(i-1);
        }
        else{
            root=i-1;
        }
    }
    while(q--){
        int t;
        cin>>t;
        if(t==1){
            int k;
            cin>>k;
            
        }
        else{
            int x;
            cin>>x;
            x--;
            op2(x);
        }
    }
    */
}

Compilation message (stderr)

ballmachine.cpp:58:22: error: conflicting declaration 'int mn [100005]'
   58 | int n,q,root,used[N],mn[N];
      |                      ^~
ballmachine.cpp:57:24: note: previous declaration as 'std::vector<int> mn'
   57 | vector<int>v[N],adj[N],mn;
      |                        ^~
ballmachine.cpp: In function 'int main()':
ballmachine.cpp:112:18: error: too many arguments to function 'void op2()'
  112 |             op2(x);
      |                  ^
ballmachine.cpp:84:6: note: declared here
   84 | void op2(){
      |      ^~~
ballmachine.cpp:115:6: error: expected primary-expression before '/' token
  115 |     */
      |      ^
ballmachine.cpp:116:1: error: expected primary-expression before '}' token
  116 | }
      | ^