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답안 #545416

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
545416 2022-04-04T13:19:28 Z zaneyu 코알라 (APIO17_koala) C++14
100 / 100
 64 ms 336 KB 
#include "koala.h"
#include<bits/stdc++.h>
using namespace std;
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
typedef tree<long long,null_type,less_equal<long long>,rb_tree_tag,tree_order_statistics_node_update> indexed_set;
#pragma GCC optimize("O2")
//order_of_key #of elements less than x
// find_by_order kth element
using ll=long long;
using ld=long double;
using pii=pair<ll,ll>;
#define f first
#define s second
#define pb push_back
#define REP(i,n) for(int i=0;i<n;i++)
#define REP1(i,n) for(ll i=1;i<=n;i++)
#define FILL(n,x) memset(n,x,sizeof(n))
#define ALL(_a) _a.begin(),_a.end()
#define sz(x) (int)x.size()
#define SORT_UNIQUE(c) (sort(c.begin(),c.end()),c.resize(distance(c.begin(),unique(c.begin(),c.end()))))
const ll maxn=100+5;
const ll maxlg=__lg(maxn)+2;
const ll INF64=4e18;
const int INF=0x3f3f3f3f;
const ll MOD=1e9+7;
const ld PI=acos(-1);
const ld eps=1e-6;
#define lowb(x) x&(-x)
#define MNTO(x,y) x=min(x,(__typeof__(x))y)
#define MXTO(x,y) x=max(x,(__typeof__(x))y)
template<typename T1,typename T2>
ostream& operator<<(ostream& out,pair<T1,T2> P){
    out<<P.f<<' '<<P.s;
    return out;
}
template<typename T>
ostream& operator<<(ostream& out,vector<T> V){
    REP(i,sz(V)) out<<V[i]<<((i!=sz(V)-1)?" ":"");
    return out;
}
ll mult(ll a,ll b){
    return a*b%MOD;
}
ll mypow(ll a,ll b){
    a%=MOD;
    if(a==0) return 0;
    if(b<=0) return 1;
    ll res=1LL;
    while(b){
        if(b&1) res=(res*a)%MOD;
        a=(a*a)%MOD;
        b>>=1;
    }
    return res;
}
int play[105],ans[105];
int minValue(int n, int w) {
    REP(i,n) play[i]=0;
    play[0]=1;
    playRound(play,ans);
    REP(i,n){
        if(!ans[i]){
            return i;
        }
    }
}
 
int maxValue(int n, int W) {
    vector<int> v;
    REP(i,n) v.pb(i);
    while(sz(v)>1){
        REP(i,n) play[i]=0;
        for(int x:v) play[x]=W/sz(v);
        playRound(play,ans);
        vector<int> vv;
        for(int i:v) if(ans[i]) vv.pb(i);
        v=vv;
    }
    return v[0];
}
//a less than b
int n,w;
/*
bool cmp(int a,int b){
    REP(i,n) play[i]=0;
    play[a]=1,play[b]=1;
    playRound(play,ans);
    if(ans[a] and ans[b]){
        int l=2,r=10;
        while(l<r){
            int mid=(l+r)/2;
            play[a]=mid,play[b]=mid;
            playRound(play,ans);
            if(ans[a] and ans[b]) l=mid;
            else{
                if(ans[a]){
                    return 0;
                }
                if(ans[b]){
                    return 1;
                }
            }
        }
        play[a]=l,play[b]=l;
        playRound(play,ans);
        if(ans[a]) return 0;
        return 1;
    }
    else{
        if(ans[a]) return 0;
        return 1;
    }
}*/
bool cmp(int a,int b){
    REP(i,n) play[i]=0;
    if(w==200){
        play[a]=100,play[b]=100;
        playRound(play,ans);
        if(ans[a]) return false;
        return true;
    }
    int l=1,r=9;
    while(l<r){
        int mid=(l+r)/2;
        play[a]=mid,play[b]=mid;
        playRound(play,ans);
        if(ans[a] and ans[b]) l=mid+1;
        else{
            if(ans[a]){
                return 0;
            }
            if(ans[b]){
                return 1;
            }
            r=mid-1;
        }
    }
}
int greaterValue(int N, int W) {
    n=N;
    return cmp(0,1);
}
int arr[maxn],tmp[maxn];
void srt(vector<int> &v,int l,int r,int *P){
    if(l==r){
        P[v[0]]=l;
    }
    else{
        int x=min((int)sqrt(2*l),w/(r-l+1));
        assert(x>0);
        REP(i,n) play[i]=0;
        for(int a:v) play[a]=x;
        playRound(play,ans);
        vector<int> vl,vr;
        for(int a:v){
            if(ans[a]) vr.pb(a); 
            else vl.pb(a);
        }
        srt(vl,l,l+sz(vl)-1,P);
        srt(vr,l+sz(vl),r,P);
    }
}
void srt(int l,int r){
    if(l==r) return;
    int mid=(l+r)/2;
    srt(l,mid),srt(mid+1,r);
    int p1=l,p2=mid+1;
    int p3=l;
    while(p1<=mid and p2<=r){
        if(cmp(arr[p1],arr[p2])) tmp[p3++]=arr[p1++];
        else tmp[p3++]=arr[p2++];
    }
    while(p1<=mid) tmp[p3++]=arr[p1++];
    while(p2<=r) tmp[p3++]=arr[p2++];
    for(int i=l;i<=r;i++) arr[i]=tmp[i];
}
void allValues(int N, int W, int *P) {
    n=N,w=W;
    if(w==2*n){
        REP(i,n) arr[i]=i;
        srt(0,n-1);
        REP(i,n) P[arr[i]]=i+1;
        return;
    }
    vector<int> v;
    REP(i,n) v.pb(i);
    srt(v,1,N,P);
}

Compilation message

koala.cpp: In function 'int minValue(int, int)':
koala.cpp:68:1: warning: control reaches end of non-void function [-Wreturn-type]
   68 | }
      | ^
koala.cpp: In function 'bool cmp(int, int)':
koala.cpp:140:1: warning: control reaches end of non-void function [-Wreturn-type]
  140 | }
      | ^

Subtask #1
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 208 KB Output is correct
2 Correct 4 ms 208 KB Output is correct
3 Correct 4 ms 208 KB Output is correct
4 Correct 4 ms 320 KB Output is correct

Subtask #2
15.0 / 15.0

# 결과 실행 시간 메모리 Grader output
1 Correct 14 ms 208 KB Output is correct
2 Correct 12 ms 208 KB Output is correct
3 Correct 12 ms 208 KB Output is correct
4 Correct 12 ms 320 KB Output is correct

Subtask #3
18.0 / 18.0

# 결과 실행 시간 메모리 Grader output
1 Correct 54 ms 320 KB Output is correct
2 Correct 61 ms 324 KB Output is correct
3 Correct 62 ms 336 KB Output is correct
4 Correct 49 ms 336 KB Output is correct
5 Correct 48 ms 336 KB Output is correct
6 Correct 48 ms 336 KB Output is correct
7 Correct 64 ms 324 KB Output is correct
8 Correct 52 ms 324 KB Output is correct
9 Correct 52 ms 336 KB Output is correct
10 Correct 46 ms 324 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 19 ms 208 KB Output is correct
2 Correct 29 ms 208 KB Output is correct
3 Correct 28 ms 320 KB Output is correct
4 Correct 35 ms 308 KB Output is correct
5 Correct 29 ms 208 KB Output is correct
6 Correct 34 ms 312 KB Output is correct
7 Correct 30 ms 208 KB Output is correct
8 Correct 28 ms 208 KB Output is correct
9 Correct 27 ms 208 KB Output is correct
10 Correct 26 ms 312 KB Output is correct
11 Correct 28 ms 208 KB Output is correct
12 Correct 15 ms 208 KB Output is correct
13 Correct 31 ms 208 KB Output is correct
14 Correct 26 ms 216 KB Output is correct
15 Correct 28 ms 296 KB Output is correct
16 Correct 26 ms 316 KB Output is correct
17 Correct 26 ms 312 KB Output is correct
18 Correct 25 ms 208 KB Output is correct
19 Correct 27 ms 208 KB Output is correct
20 Correct 25 ms 316 KB Output is correct

Subtask #5
53.0 / 53.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 208 KB Output is correct
2 Correct 3 ms 208 KB Output is correct
3 Correct 3 ms 208 KB Output is correct
4 Correct 3 ms 208 KB Output is correct
5 Correct 4 ms 208 KB Output is correct
6 Correct 3 ms 208 KB Output is correct
7 Correct 3 ms 208 KB Output is correct
8 Correct 4 ms 208 KB Output is correct
9 Correct 3 ms 208 KB Output is correct
10 Correct 3 ms 208 KB Output is correct
11 Correct 3 ms 208 KB Output is correct
12 Correct 3 ms 208 KB Output is correct
13 Correct 3 ms 208 KB Output is correct
14 Correct 3 ms 208 KB Output is correct
15 Correct 3 ms 208 KB Output is correct
16 Correct 3 ms 208 KB Output is correct
17 Correct 3 ms 208 KB Output is correct
18 Correct 3 ms 208 KB Output is correct
19 Correct 3 ms 208 KB Output is correct
20 Correct 3 ms 208 KB Output is correct
21 Correct 3 ms 208 KB Output is correct
22 Correct 3 ms 208 KB Output is correct
23 Correct 3 ms 324 KB Output is correct
24 Correct 3 ms 208 KB Output is correct
25 Correct 3 ms 208 KB Output is correct
26 Correct 3 ms 208 KB Output is correct
27 Correct 4 ms 208 KB Output is correct
28 Correct 4 ms 208 KB Output is correct
29 Correct 4 ms 208 KB Output is correct
30 Correct 4 ms 320 KB Output is correct
31 Correct 3 ms 208 KB Output is correct
32 Correct 3 ms 208 KB Output is correct
33 Correct 4 ms 208 KB Output is correct
34 Correct 3 ms 208 KB Output is correct
35 Correct 3 ms 208 KB Output is correct
36 Correct 3 ms 208 KB Output is correct
37 Correct 3 ms 208 KB Output is correct
38 Correct 3 ms 208 KB Output is correct
39 Correct 3 ms 208 KB Output is correct
40 Correct 3 ms 208 KB Output is correct