답안 #485266

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
485266 2021-11-06T20:56:55 Z Carmel_Ab1 쌀 창고 (IOI11_ricehub) C++17
컴파일 오류
0 ms 0 KB
#include<bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>

//using namespace __gnu_pbds;
using namespace std;

typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int>vi;
typedef vector<vector<int>>vvi;
typedef vector<ll>vl;
typedef vector<vl> vvl;
typedef pair<int,int>pi;
typedef pair<ll,ll> pl;
typedef vector<pl> vpl;
typedef vector<ld> vld;
typedef pair<ld,ld> pld;
typedef vector<pi> vpi;

//typedef tree<ll, null_type, less_equal<ll>,rb_tree_tag,tree_order_statistics_node_update> ordered_set;
template<typename T> ostream& operator<<(ostream& os, vector<T>& a){os<<"[";for(int i=0; i<ll(a.size()); i++){os << a[i] << ((i!=ll(a.size()-1)?" ":""));}os << "]\n"; return os;}

#define all(x) x.begin(),x.end()
#define YES out("YES")
#define NO out("NO")
#define out(x){cout << x << "\n"; return;}
#define GLHF ios_base::sync_with_stdio(false); cin.tie(NULL);cout.tie(NULL)
#define print(x){for(auto ait:x) cout << ait << " "; cout << "\n";}
#define pb push_back
#define umap unordered_map

template<typename T1, typename T2> istream& operator>>(istream& is, pair<T1, T2>& p){is >> p.first >> p.second;return is;}
template<typename T1, typename T2> ostream& operator<<(ostream& os, pair<T1, T2>& p){os <<"" << p.first << " " << p.second << ""; return os;}
void usaco(string taskname){
    string fin = taskname + ".in";
    string fout = taskname + ".out";
    const char* FIN = fin.c_str();
    const char* FOUT = fout.c_str();
    freopen(FIN, "r", stdin);
    freopen(FOUT, "w", stdout);
}
template<typename T>
void read(vector<T>& v){
    int n=v.size();
    for(int i=0; i<n; i++)
        cin >> v[i];
}
template<typename T>
vector<T>UNQ(vector<T>a){
    vector<T>ans;
    for(T t:a)
        if(ans.empty() || t!=ans.back())
            ans.push_back(t);
    return ans;
}
ll ceil(ll a,ll b){
    ll ans=a/b;
    if(a%b)ans++;
    return ans;
}
ld log (ld a,ld b){return log(b)/log(a);}
ll power(ll base, ll exp,ll M=1e18){//(base^exp)%M
    ll ans=1;
    while(exp){
        if(exp%2==1)ans=((ans%M)*(base%M))%M;
        base=((base%M)*(base%M))%M;
        exp/=2;
    }
    return ans;
}

string to_base(int n,int new_base){
    string s;
    int nn=n;
    while(nn){
        s+=to_string(nn%new_base);
        nn/=new_base;
    }
    reverse(all(s));
    return s;
}
ll gcd(ll a,ll b){
    if(a<b)swap(a,b);
    if(b==0)return a;
    return gcd(b,a%b);
}
ll lcm(ll a,ll b){
    ll x= (a/gcd(a,b));
    return b*x;
}
vl generate_array(ll n,ll mn=1,ll mx=1e18+1){
    if(mx==1e18+1)
        mx=n;
    vl ans(n);
    for(int i=0; i<n;i++)
        ans[i]=(mn+rand()%(mx-mn+1));
    return ans;
}
string substr(string s,int l,int r){
    string ans;
    for(int i=l; i<=r; i++)
        ans+=s[i];
    return ans;
}


void solve();
int main(){
    GLHF;
    int t=1;
    //cin >> t;
    while(t--)
        solve();
}
vl a,pref;

ll sum(ll l,ll r){
    ll ans=pref[r];
    if(l)
        ans-=pref[l-1];
    return ans;
}
ll calc(ll l,ll r){
    ll med=(l+r)/2;
    ll ans=a[med]*(med-l+1)-sum(l,med);

    ans+=sum(med+1,r)-(r-(med+1)+1)*a[med];
    return ans;
}

void solve() {
    ll n,l,b;
    cin >> n >> l >> b;
    a.resize(n);
    pref.resize(n);

    read(a);
    for(int i=0; i<n; i++)
        pref[i]=(i?pref[i-1]:0)+a[i];

    int ans=0;
    for(int i=0,j=0; i<n; i++) {
        while(j<n && calc(i,j)<=b){
            ans=max(ans,j-i+1);
            j++;
        }
    }

    out(ans)
}

Compilation message

ricehub.cpp: In function 'void usaco(std::string)':
ricehub.cpp:41:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   41 |     freopen(FIN, "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~
ricehub.cpp:42:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   42 |     freopen(FOUT, "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/cc6rjqau.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccK2l3at.o:ricehub.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cc6rjqau.o: in function `main':
grader.cpp:(.text.startup+0xae): undefined reference to `besthub(int, int, int*, long long)'
collect2: error: ld returned 1 exit status