Submission #834604

# Submission time Handle Problem Language Result Execution time Memory
834604 2023-08-22T15:49:10 Z Mohmad_Zaid Distributing Candies (IOI21_candies) C++17
Compilation error
0 ms 0 KB
#include "candies.h"
#include <bits/stdc++.h>
#define str string
#define loop(n) for (int i = 0; i < n; i++)
#define ld long double
#define ll long long
#define endl '\n'
#define pb push_back
#define vsort(vec) sort(vec.begin(), vec.end())
#define rev(a) reverse(a.begin(), a.end())
#define print(a) loop(a.size())cout<<a[i]<<' '
#define int long long
const int mod = 1e9 + 7;
using namespace std;
int lcm(int a, int b) { return ((a * b) / __gcd(a, b)); }
ll binpow(ll base,ll exponent){
    base%=mod;
    ll res=1;
    while(exponent){
        if(exponent&1){
            res=(res*base)%mod;
        }
        base=(base*base)%mod;
        exponent>>=1;
    }
    return res;
}

struct segtree{
    int size=1;
    vector<int>arr;
    void init(int n){
        while(size<n)size*=2;
        arr.assign(2*size-1,0);
    }
    void update(int l,int r,int x,int lx,int rx,int v){
        if(rx<=l || lx>=r)return;
        if(lx>=l && rx<=r){
            arr[x]+=v;
            return;
        }
        int mid=(lx+rx)/2;
        update(l,r,2*x+1,lx,mid,v);
        update(l,r,2*x+2,mid,rx,v);
    }
    void update(int l,int r,int v){
        update(l,r,0,0,size,v);
    }
    void get_ans(int i,int x,int lx,int rx,int& ans){
        if(lx>i || rx<=i)return;
        if(lx<=i && rx>i){
            ans+=arr[x];
        }
        int mid=(lx+rx)/2;
        if(i<mid)get_ans(i,2*x+1,lx,mid,ans);
        else get_ans(i,2*x+2,mid,rx,ans);
    }
    void get_ans(int i,int& ans){
        get_ans(i,0,0,size,ans);
    }
};
vector<int> distribute_candies(vector<int> c, vector<int> l,vector<int> r, vector<int> v) {
    int n = c.size();
    int q= l.size();
    segtree st;
    st.init(n);
    vector<int> s(n);
    for(int iter=0;iter<q;iter++){
        st.update(l[iter],r[iter]+1,v[iter]);
    }
    for(int i=0;i<n;i++){
        int v=0;
        st.get_ans(i,v);
        s[i]=min(c[i],v);
    }
    return s;
}

Compilation message

/usr/bin/ld: /tmp/ccDGVB0a.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