Submission #476100

#	Time	Username	Problem	Language	Result	Execution time	Memory
476100		Haidara	Distributing Candies (IOI21_candies)	C++17	Compilation error	0 ms	0 KiB

candies

/** * * * * * * * * * * * * * **\
 *                             *
 *   Author: Haidara Nassour   *
 * Coded in: YYYY\M\D HH:MM:SS *
 *          Lang: C++          *
 *                             *
\** * * * * * * * * * * * * * **/
#include<bits/stdc++.h>
#define fast ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define int long long
#define itn int
#define rep(i,x,n) for(int i=(x);i<(n);i++)
#define FOR(i,n) rep(i,0,n)
#define per(i,x,n) for(int i=(x);i>(n);i--)
#define ROF(i,x) for(int i=x;i>=0;i--)
#define v(i) vector< i >
#define p(i,j) pair< i , j >
#define pii pair<int,int>
#define m(i,j) map< i , j >
#define um(i,j) unordered_map< i , j >
#define max_heap(i) priority_queue< i >
#define min_heap(i) priority_queue< i , vector< i > ,greater< i > >
#define ff first
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define ss second
#define pp push_back
#define mini(x,y) x=min(x,y)
#define maxi(x,y) x=max(x,y)
#define debug(x) cout<<#x<<" ";
using namespace std;
const int inf=1LL<<62LL;
const int mod=1e9+7;
const int maxn=200200;
int n;
struct node
{
    int min,max,lazy,val;
    node():min(inf),max(0),val(0),lazy(0){}
}st[maxn*4];
void pup(int inx)
{
    st[inx].min=min(st[inx*2].min,st[inx*2+1].min);
    st[inx].max=max(st[inx*2].max,st[inx*2+1].max);
}
void pull(int inx,int l,int r)
{
    st[inx].val+=st[inx].lazy;
    st[inx].val=min(st[inx].val,st[inx].max);
    st[inx].val=max(st[inx].val,st[inx].min);
    if(l!=r)
    {
        st[inx*2].lazy+=st[inx].lazy;
        st[inx*2+1].lazy+=st[inx].lazy;
    }
    st[inx].lazy=0;
}
void build(v(int)a,int l=1,int r=n,int inx=1)
{
    if(l==r)
    {
        st[inx].min=a[l-1];
        st[inx].max=a[l-1];
        return ;
    }
    int mid=l+(r-l)/2;
    build(a,l,mid,inx*2);
    build(a,mid+1,r,inx*2+1);
    pup(inx);
}
void update(int ul,int ur,int val,int l=1,int r=n,int inx=1)
{
    pull(inx,l,r);
    if(ul<=l&&r<=ur)
    {
        st[inx].lazy+=val;
        pull(inx,l,r);
        return ;
    }
    if(l>ur||ul>r)
        return ;
    int mid=l+(r-l)/2;
    update(ul,ur,val,l,mid,inx*2);
    update(ul,ur,val,mid+1,r,inx*2+1);
    pup(inx);
}
int query(int pos,int l=1,int r=n,int inx=1)
{
    pull(inx,l,r);
    if(l==r)
        return st[inx].val;
    int mid=l+(r-l)/2;
    if(pos<=mid)
        return query(pos,l,mid,inx*2);
    return query(pos,mid+1,r,inx*2+1);
}
v(int) distribute_candies(v(int)c,v(int)l,v(int)r,v(int)val)
{
    build(c);
    n=c.size();
    FOR(i,l.size())
        update(l[i]+1,r[i]+1,val[i]);
    v(int)ans(n);
    FOR(i,n)
        ans[i]=query(i+1);
    return ans;
}

Compilation message (stderr)

candies.cpp: In constructor 'node::node()':
candies.cpp:38:22: warning: 'node::val' will be initialized after [-Wreorder]
   38 |     int min,max,lazy,val;
      |                      ^~~
candies.cpp:38:17: warning:   'long long int node::lazy' [-Wreorder]
   38 |     int min,max,lazy,val;
      |                 ^~~~
candies.cpp:39:5: warning:   when initialized here [-Wreorder]
   39 |     node():min(inf),max(0),val(0),lazy(0){}
      |     ^~~~
candies.cpp: In function 'std::vector<long long int> distribute_candies(std::vector<long long int>, std::vector<long long int>, std::vector<long long int>, std::vector<long long int>)':
candies.cpp:12:35: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 | #define rep(i,x,n) for(int i=(x);i<(n);i++)
      |                                   ^
candies.cpp:13:18: note: in expansion of macro 'rep'
   13 | #define FOR(i,n) rep(i,0,n)
      |                  ^~~
candies.cpp:101:5: note: in expansion of macro 'FOR'
  101 |     FOR(i,l.size())
      |     ^~~
/usr/bin/ld: /tmp/ccoaaFSp.o: in function `main':
grader.cpp:(.text.startup+0x30e): undefined reference to `distribute_candies(std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status