oj.uz

Submission #387757

# Submission time Handle Problem Language Result Execution time Memory
387757 2021-04-09T07:32:41 Z i_am_noob Shopping (JOI21_shopping) C++17
10 / 100
 182 ms 24420 KB 
#include "Anna.h"
#include<bits/stdc++.h>
//#pragma GCC optimize("unroll-loops")
using namespace std;

#define ll long long
//#define int ll
#define ull unsigned long long
#define ld long double
#define rep(a) rep1(i,a)
#define rep1(i,a) rep2(i,0,a)
#define rep2(i,b,a) for(int i=(b); i<((int)(a)); i++)
#define rep3(i,b,a) for(int i=(b); i>=((int)(a)); i--)
#define all(a) a.begin(),a.end()
#define pii pair<int,int>
#define pb push_back
//#define inf 1010000000
#define inf 4000000000000000000
#define sz(a) ((int)a.size())
#define pow2(x) (1ll<<(x))
#ifdef i_am_noob
#define bug(...) cerr << "#" << __LINE__ << ' ' << #__VA_ARGS__ << "- ", _do(__VA_ARGS__)
template<typename T> void _do(T && x) {cerr << x << endl;}
template<typename T, typename ...S> void _do(T && x, S&&...y) {cerr << x << ", "; _do(y...);}
#else
#define bug(...) 826
#endif

namespace {

int n,l,r,res;
int zck;
const int K=201;
vector<int> vec1,vec2;
vector<bool> tree1,tree2;
bool flag;

vector<int> build(vector<bool>& tree){
    vector<int> stk;
    vector<int> pre;
    int cur=0;
    for(auto i: tree){
        if(i){
            pre.pb(sz(stk)?stk.back():-1);
            stk.pb(cur);
            cur++;
        }
        else{
            stk.pop_back();
        }
    }
    return pre;
}

void response(vector<int> id, vector<int> pre, vector<int>& vec){
    int L,R;
    rep(sz(id)) if(id[i]>=l){
        L=i;
        break;
    }
    rep3(i,sz(id)-1,0) if(id[i]<=r){
        R=i;
        break;
    }
    bug(L,R);
    vector<int> tmp1;
    rep(K) tmp1.pb(sz(id)/K);
    rep(sz(id)%K) tmp1[i]++;
    int lpos,rpos,cur=0,y;
    rep(K){
        if(tmp1[i]+cur>L){
            lpos=i;
            break;
        }
        cur+=tmp1[i];
    }
    cur=0;
    rep(K){
        if(tmp1[i]+cur>R){
            rpos=i;
            break;
        }
        cur+=tmp1[i];
    }
    if(rpos<=lpos+1){
        SendA(0);
        flag=0;
        int z=lpos;
        rep(8) SendA(z&1),z>>=1;
        cur=0;
        rep(lpos) cur+=tmp1[i];
        rep(tmp1[lpos]) vec.pb(id[cur+i]);
        if(lpos+1<sz(tmp1)) rep(tmp1[lpos+1]) vec.pb(id[cur+tmp1[lpos]+i]);
        //for(auto i: vec) bug(i);
        return;
    }
    rep2(i,lpos+1,rpos) if(pre[i]<lpos+1) y=i;
    SendA(1);
    flag=1;
    int z=y;
    rep(8) SendA(z&1),z>>=1;
    cur=0;
    rep(pre[y]) cur+=tmp1[i];
    if(pre[y]>=0) rep(tmp1[pre[y]]) vec.pb(id[cur+i]);
    bug(pre[y],y);
    bug("A",sz(vec));
    vec.pb(-1);
    rep2(i,y+1,sz(pre)) if(pre[i]<y){
        bug(i);
        cur=0;
        rep1(j,i) cur+=tmp1[j];
        rep1(j,tmp1[i]) vec.pb(id[cur+j]);
        break;
    }
    bug("A",sz(vec));
    //for(auto i: vec) bug(i);
}

}  // namespace

void InitA(int N, int L, int R) {
    n=N,l=L,r=R,zck=0;
}

void ReceiveA(bool x) {
    if(!zck){
        static int cnt=2*K;
        tree1.pb(x);
        cnt--;
        if(cnt<=0){
            vector<int> tmp;
            rep(n) tmp.pb(i);
            vector<int> pre=build(tree1);
            response(tmp,pre,vec1);
            zck++;
        }
    }
    else if(zck==1){
        if(flag){
            static int cnt=20,pos=0;
            pos+=x*(1<<(20-cnt));
            cnt--;
            if(!cnt){
                for(auto& i: vec1) if(i==-1) i=pos;
                flag=0;
            }
        }
        else{
            static int cnt=2*K;
            tree2.pb(x);
            cnt--;
            if(cnt<=0){
                vector<int> pre=build(tree2);
                response(vec1,pre,vec2);
                bug(sz(vec1),sz(vec2));
                zck++;
            }
        }
    }
    else{
        if(flag){
            static int cnt=20,pos=0;
            pos+=x*(1<<(20-cnt));
            cnt--;
            if(!cnt){
                for(auto& i: vec2) if(i==-1) i=pos;
                flag=0;
            }
        }
        else{
            static int cnt=2*sz(vec2);
            tree2.pb(x);
            cnt--;
            if(cnt<=0){
                vector<int> pre=build(tree2);
                rep3(i,sz(vec2)-1,0) if(vec2[i]<=r&&(pre[i]==-1||vec2[pre[i]]<l)){
                    res=vec2[i];
                    break;
                }
            }
        }
    }
}

int Answer() {
    bug(res,sz(vec1),sz(vec2));
    return res;
}

#include "Bruno.h"
#include<bits/stdc++.h>
using namespace std;

#define ll long long
//#define int ll
#define ull unsigned long long
#define ld long double
#define rep(a) rep1(i,a)
#define rep1(i,a) rep2(i,0,a)
#define rep2(i,b,a) for(int i=(b); i<((int)(a)); i++)
#define rep3(i,b,a) for(int i=(b); i>=((int)(a)); i--)
#define all(a) a.begin(),a.end()
#define pii pair<int,int>
#define pb push_back
#define inf 1010000000
//#define inf 4000000000000000000
#define sz(a) ((int)a.size())
#define pow2(x) (1ll<<(x))
#ifdef i_am_noob
#define bug(...) cerr << "#" << __LINE__ << ' ' << #__VA_ARGS__ << "- ", _do(__VA_ARGS__)
template<typename T> void _do(T && x) {cerr << x << endl;}
template<typename T, typename ...S> void _do(T && x, S&&...y) {cerr << x << ", "; _do(y...);}
#else
#define bug(...) 826
#endif

namespace {

int n;
int zck;
bool flag;
vector<int> a,vec1,vec2,minvec;
const int K=201;

vector<bool> build(vector<int>& vec){
    vector<bool> res;
    vector<int> stk;
    for(auto i: vec){
        while(sz(stk)&&i<stk.back()) res.pb(0),stk.pop_back();
        res.pb(1),stk.pb(i);
    }
    rep(sz(stk)) res.pb(0);
    assert(sz(res)==2*sz(vec));
    return res;
}

vector<int> Get(vector<int>& id, int val){
    vector<int> tmp1;
    rep(K) tmp1.pb(sz(id)/K);
    rep(sz(id)%K) tmp1[i]++;
    int cur;
    vector<int> res;
    if(sz(id)<100) for(auto i: id) bug(i);
    if(flag){
        bug(sz(id));
        cur=0;
        rep(val) cur+=tmp1[i];
        int minn=n+1,minid;
        rep2(i,cur,cur+tmp1[val]) if(a[id[i]]<minn) minn=a[id[i]],minid=id[i];
        int z=minid;
        rep(20) SendB(z&1),z>>=1;
        rep3(i,val-1,0) if(minvec[i]<minvec[val]){
            cur=0;
            rep1(j,i) cur+=tmp1[j];
            rep2(j,cur,cur+tmp1[i]) res.pb(id[j]);
            bug(i);
            break;
        }
        bug("B",sz(res));
        res.pb(minid);
        bug(val);
        rep2(i,val+1,sz(minvec)) if(minvec[i]<minvec[val]){
            bug(i);
            cur=0;
            rep1(j,i) cur+=tmp1[j];
            rep2(j,cur,cur+tmp1[i]) res.pb(id[j]);
            break;
        }
        bug("B",sz(res));
    }
    else{
        cur=0;
        rep(val) cur+=tmp1[i];
        rep2(i,cur,cur+tmp1[val]) res.pb(id[i]);
        if(val+1<sz(tmp1)) rep2(i,cur+tmp1[val],cur+tmp1[val]+tmp1[val+1]) res.pb(id[i]);

    }
    //for(auto i: res) bug(i);
    return res;
}

vector<bool> tree1,tree2;

}  // namespace



void InitB(int N, vector<int> A) {
    n=N,a=A,zck=0;
    vector<int> tmp1;
    rep(K) tmp1.pb(n/K);
    rep(n%K) tmp1[i]++;
    int cur=0;
    rep(K){
        int minn=inf;
        rep2(j,cur,cur+tmp1[i]) minn=min(minn,a[j]);
        minvec.pb(minn);
        cur+=tmp1[i];
    }
    tree1=build(minvec);
    bug(sz(tree1));
    for(auto i: tree1) SendB(i);
}

void ReceiveB(bool y) {
    if(!zck){
        flag=y;
        zck++;
    }
    else if(zck==1){
        static int cnt=8,val=0;
        val+=y*(1<<(8-cnt));
        cnt--;
        if(!cnt){
            vector<int> tmp,tmp1;
            rep(n) tmp.pb(i);
            vec1=Get(tmp,val);
            rep(K) tmp1.pb(sz(vec1)/K);
            rep(sz(vec1)%K) tmp1[i]++;
            minvec.clear();
            int cur=0;
            rep(K){
                int minn=inf;
                rep2(j,cur,cur+tmp1[i]) minn=min(minn,a[vec1[j]]);
                minvec.pb(minn);
                cur+=tmp1[i];
            }
            tree2=build(minvec);
            bug(sz(tree2));
            for(auto i: tree2) SendB(i);
            zck++;
        }
    }
    else if(zck==2){
        flag=y;
        zck++;
    }
    else{
        static int cnt=8,val=0;
        val+=y*(1<<(8-cnt));
        cnt--;
        if(!cnt){
            vec2=Get(vec1,val);
            minvec.clear();
            for(auto i: vec2) minvec.pb(a[i]);
            tree2=build(minvec);
            bug(sz(tree2),sz(vec1),sz(vec2));
            for(auto i: tree2) SendB(i);
            zck++;
        }
    }
}

Compilation message

Anna.cpp: In function 'void {anonymous}::response(std::vector<int>, std::vector<int>, std::vector<int>&)':
Anna.cpp:26:18: warning: statement has no effect [-Wunused-value]
   26 | #define bug(...) 826
      |                  ^~~
Anna.cpp:65:5: note: in expansion of macro 'bug'
   65 |     bug(L,R);
      |     ^~~
Anna.cpp:26:18: warning: statement has no effect [-Wunused-value]
   26 | #define bug(...) 826
      |                  ^~~
Anna.cpp:105:5: note: in expansion of macro 'bug'
  105 |     bug(pre[y],y);
      |     ^~~
Anna.cpp:26:18: warning: statement has no effect [-Wunused-value]
   26 | #define bug(...) 826
      |                  ^~~
Anna.cpp:106:5: note: in expansion of macro 'bug'
  106 |     bug("A",sz(vec));
      |     ^~~
Anna.cpp:26:18: warning: statement has no effect [-Wunused-value]
   26 | #define bug(...) 826
      |                  ^~~
Anna.cpp:109:9: note: in expansion of macro 'bug'
  109 |         bug(i);
      |         ^~~
Anna.cpp:26:18: warning: statement has no effect [-Wunused-value]
   26 | #define bug(...) 826
      |                  ^~~
Anna.cpp:115:5: note: in expansion of macro 'bug'
  115 |     bug("A",sz(vec));
      |     ^~~
Anna.cpp: In function 'void ReceiveA(bool)':
Anna.cpp:26:18: warning: statement has no effect [-Wunused-value]
   26 | #define bug(...) 826
      |                  ^~~
Anna.cpp:155:17: note: in expansion of macro 'bug'
  155 |                 bug(sz(vec1),sz(vec2));
      |                 ^~~
Anna.cpp: In function 'int Answer()':
Anna.cpp:26:18: warning: statement has no effect [-Wunused-value]
   26 | #define bug(...) 826
      |                  ^~~
Anna.cpp:186:5: note: in expansion of macro 'bug'
  186 |     bug(res,sz(vec1),sz(vec2));
      |     ^~~
Anna.cpp: In function 'void {anonymous}::response(std::vector<int>, std::vector<int>, std::vector<int>&)':
Anna.cpp:69:9: warning: 'lpos' may be used uninitialized in this function [-Wmaybe-uninitialized]
   69 |     int lpos,rpos,cur=0,y;
      |         ^~~~
Anna.cpp:108:25: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized]
  108 |     rep2(i,y+1,sz(pre)) if(pre[i]<y){
      |                         ^~
Anna.cpp:12:37: warning: 'rpos' may be used uninitialized in this function [-Wmaybe-uninitialized]
   12 | #define rep2(i,b,a) for(int i=(b); i<((int)(a)); i++)
      |                                     ^
Anna.cpp:69:14: note: 'rpos' was declared here
   69 |     int lpos,rpos,cur=0,y;
      |              ^~~~
Anna.cpp:71:9: warning: 'L' may be used uninitialized in this function [-Wmaybe-uninitialized]
   71 |         if(tmp1[i]+cur>L){
      |         ^~
Anna.cpp:79:9: warning: 'R' may be used uninitialized in this function [-Wmaybe-uninitialized]
   79 |         if(tmp1[i]+cur>R){
      |         ^~

Bruno.cpp: In function 'std::vector<int> {anonymous}::Get(std::vector<int>&, int)':
Bruno.cpp:25:18: warning: statement has no effect [-Wunused-value]
   25 | #define bug(...) 826
      |                  ^~~
Bruno.cpp:54:36: note: in expansion of macro 'bug'
   54 |     if(sz(id)<100) for(auto i: id) bug(i);
      |                                    ^~~
Bruno.cpp:54:29: warning: unused variable 'i' [-Wunused-variable]
   54 |     if(sz(id)<100) for(auto i: id) bug(i);
      |                             ^
Bruno.cpp:25:18: warning: statement has no effect [-Wunused-value]
   25 | #define bug(...) 826
      |                  ^~~
Bruno.cpp:56:9: note: in expansion of macro 'bug'
   56 |         bug(sz(id));
      |         ^~~
Bruno.cpp:25:18: warning: statement has no effect [-Wunused-value]
   25 | #define bug(...) 826
      |                  ^~~
Bruno.cpp:67:13: note: in expansion of macro 'bug'
   67 |             bug(i);
      |             ^~~
Bruno.cpp:25:18: warning: statement has no effect [-Wunused-value]
   25 | #define bug(...) 826
      |                  ^~~
Bruno.cpp:70:9: note: in expansion of macro 'bug'
   70 |         bug("B",sz(res));
      |         ^~~
Bruno.cpp:25:18: warning: statement has no effect [-Wunused-value]
   25 | #define bug(...) 826
      |                  ^~~
Bruno.cpp:72:9: note: in expansion of macro 'bug'
   72 |         bug(val);
      |         ^~~
Bruno.cpp:25:18: warning: statement has no effect [-Wunused-value]
   25 | #define bug(...) 826
      |                  ^~~
Bruno.cpp:74:13: note: in expansion of macro 'bug'
   74 |             bug(i);
      |             ^~~
Bruno.cpp:25:18: warning: statement has no effect [-Wunused-value]
   25 | #define bug(...) 826
      |                  ^~~
Bruno.cpp:80:9: note: in expansion of macro 'bug'
   80 |         bug("B",sz(res));
      |         ^~~
Bruno.cpp: In function 'void InitB(int, std::vector<int>)':
Bruno.cpp:25:18: warning: statement has no effect [-Wunused-value]
   25 | #define bug(...) 826
      |                  ^~~
Bruno.cpp:112:5: note: in expansion of macro 'bug'
  112 |     bug(sz(tree1));
      |     ^~~
Bruno.cpp: In function 'void ReceiveB(bool)':
Bruno.cpp:25:18: warning: statement has no effect [-Wunused-value]
   25 | #define bug(...) 826
      |                  ^~~
Bruno.cpp:140:13: note: in expansion of macro 'bug'
  140 |             bug(sz(tree2));
      |             ^~~
Bruno.cpp:25:18: warning: statement has no effect [-Wunused-value]
   25 | #define bug(...) 826
      |                  ^~~
Bruno.cpp:158:13: note: in expansion of macro 'bug'
  158 |             bug(sz(tree2),sz(vec1),sz(vec2));
      |             ^~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 520 KB Output is correct
2 Correct 7 ms 476 KB Output is correct
3 Correct 5 ms 480 KB Output is correct
4 Correct 7 ms 480 KB Output is correct
5 Correct 6 ms 476 KB Output is correct
6 Correct 7 ms 588 KB Output is correct
7 Correct 5 ms 500 KB Output is correct
8 Correct 8 ms 596 KB Output is correct
9 Correct 6 ms 588 KB Output is correct
10 Correct 8 ms 428 KB Output is correct
11 Correct 7 ms 572 KB Output is correct
12 Correct 8 ms 564 KB Output is correct
13 Correct 9 ms 588 KB Output is correct
14 Correct 9 ms 496 KB Output is correct
15 Correct 6 ms 480 KB Output is correct
16 Correct 8 ms 564 KB Output is correct
17 Correct 6 ms 588 KB Output is correct
18 Correct 8 ms 492 KB Output is correct
19 Correct 8 ms 516 KB Output is correct
20 Correct 5 ms 588 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 520 KB Output is correct
2 Correct 7 ms 476 KB Output is correct
3 Correct 5 ms 480 KB Output is correct
4 Correct 7 ms 480 KB Output is correct
5 Correct 6 ms 476 KB Output is correct
6 Correct 7 ms 588 KB Output is correct
7 Correct 5 ms 500 KB Output is correct
8 Correct 8 ms 596 KB Output is correct
9 Correct 6 ms 588 KB Output is correct
10 Correct 8 ms 428 KB Output is correct
11 Correct 7 ms 572 KB Output is correct
12 Correct 8 ms 564 KB Output is correct
13 Correct 9 ms 588 KB Output is correct
14 Correct 9 ms 496 KB Output is correct
15 Correct 6 ms 480 KB Output is correct
16 Correct 8 ms 564 KB Output is correct
17 Correct 6 ms 588 KB Output is correct
18 Correct 8 ms 492 KB Output is correct
19 Correct 8 ms 516 KB Output is correct
20 Correct 5 ms 588 KB Output is correct
21 Correct 11 ms 692 KB Output is correct
22 Correct 10 ms 728 KB Output is correct
23 Correct 12 ms 744 KB Output is correct
24 Correct 9 ms 704 KB Output is correct
25 Correct 7 ms 688 KB Output is correct
26 Correct 10 ms 852 KB Output is correct
27 Correct 10 ms 700 KB Output is correct
28 Correct 9 ms 804 KB Output is correct
29 Correct 11 ms 724 KB Output is correct
30 Correct 9 ms 736 KB Output is correct
31 Correct 9 ms 692 KB Output is correct
32 Correct 10 ms 732 KB Output is correct
33 Correct 12 ms 700 KB Output is correct
34 Correct 11 ms 704 KB Output is correct
35 Correct 9 ms 800 KB Output is correct
36 Correct 12 ms 656 KB Output is correct
37 Correct 10 ms 736 KB Output is correct

Subtask #3
0 / 90.0

# Verdict Execution time Memory Grader output
1 Correct 181 ms 23956 KB Output is correct
2 Correct 182 ms 24220 KB Output is correct
3 Correct 177 ms 24212 KB Output is correct
4 Correct 157 ms 24256 KB Output is correct
5 Correct 172 ms 24420 KB Output is correct
6 Correct 157 ms 24212 KB Output is correct
7 Incorrect 20 ms 8188 KB Wrong Answer [2]
8 Halted 0 ms 0 KB -