oj.uz

Submission #387788

# Submission time Handle Problem Language Result Execution time Memory
387788 2021-04-09T08:24:34 Z i_am_noob Shopping (JOI21_shopping) C++17
100 / 100
 224 ms 24344 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,tree3;
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);
            if(pre.back()==-1) bug(cur);
            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);
            tree3.pb(x);
            cnt--;
            if(cnt<=0){
                vector<int> pre=build(tree3);
                rep3(i,sz(vec2)-1,0) if(vec2[i]<=r&&(pre[i]==-1||vec2[pre[i]]<l)){
                    res=vec2[i];
                    bug(vec2[i],r,pre[i],vec2[pre[i]]);
                    break;
                }
            }
        }
    }
}

int Answer() {
    bug(res,sz(vec1),sz(vec2));
    bool b=0;
    for(auto i: vec2) bug(i);
    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();
        if(stk.empty()) bug(i);
        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,tree3;

}  // 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]),bug(i,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 'std::vector<int> {anonymous}::build(std::vector<bool>&)':
Anna.cpp:26:18: warning: statement has no effect [-Wunused-value]
   26 | #define bug(...) 826
      |                  ^~~
Anna.cpp:45:32: note: in expansion of macro 'bug'
   45 |             if(pre.back()==-1) bug(cur);
      |                                ^~~
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:66:5: note: in expansion of macro 'bug'
   66 |     bug(L,R);
      |     ^~~
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(pre[y],y);
      |     ^~~
Anna.cpp:26:18: warning: statement has no effect [-Wunused-value]
   26 | #define bug(...) 826
      |                  ^~~
Anna.cpp:107:5: note: in expansion of macro 'bug'
  107 |     bug("A",sz(vec));
      |     ^~~
Anna.cpp:26:18: warning: statement has no effect [-Wunused-value]
   26 | #define bug(...) 826
      |                  ^~~
Anna.cpp:110:9: note: in expansion of macro 'bug'
  110 |         bug(i);
      |         ^~~
Anna.cpp:26:18: warning: statement has no effect [-Wunused-value]
   26 | #define bug(...) 826
      |                  ^~~
Anna.cpp:116:5: note: in expansion of macro 'bug'
  116 |     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:156:17: note: in expansion of macro 'bug'
  156 |                 bug(sz(vec1),sz(vec2));
      |                 ^~~
Anna.cpp:26:18: warning: statement has no effect [-Wunused-value]
   26 | #define bug(...) 826
      |                  ^~~
Anna.cpp:179:21: note: in expansion of macro 'bug'
  179 |                     bug(vec2[i],r,pre[i],vec2[pre[i]]);
      |                     ^~~
Anna.cpp: In function 'int Answer()':
Anna.cpp:26:18: warning: statement has no effect [-Wunused-value]
   26 | #define bug(...) 826
      |                  ^~~
Anna.cpp:188:5: note: in expansion of macro 'bug'
  188 |     bug(res,sz(vec1),sz(vec2));
      |     ^~~
Anna.cpp:26:18: warning: statement has no effect [-Wunused-value]
   26 | #define bug(...) 826
      |                  ^~~
Anna.cpp:190:23: note: in expansion of macro 'bug'
  190 |     for(auto i: vec2) bug(i);
      |                       ^~~
Anna.cpp:190:14: warning: unused variable 'i' [-Wunused-variable]
  190 |     for(auto i: vec2) bug(i);
      |              ^
Anna.cpp:189:10: warning: unused variable 'b' [-Wunused-variable]
  189 |     bool b=0;
      |          ^
Anna.cpp: In function 'void {anonymous}::response(std::vector<int>, std::vector<int>, std::vector<int>&)':
Anna.cpp:70:9: warning: 'lpos' may be used uninitialized in this function [-Wmaybe-uninitialized]
   70 |     int lpos,rpos,cur=0,y;
      |         ^~~~
Anna.cpp:109:25: warning: 'y' may be used uninitialized in this function [-Wmaybe-uninitialized]
  109 |     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:70:14: note: 'rpos' was declared here
   70 |     int lpos,rpos,cur=0,y;
      |              ^~~~
Anna.cpp:72:9: warning: 'L' may be used uninitialized in this function [-Wmaybe-uninitialized]
   72 |         if(tmp1[i]+cur>L){
      |         ^~
Anna.cpp:80:9: warning: 'R' may be used uninitialized in this function [-Wmaybe-uninitialized]
   80 |         if(tmp1[i]+cur>R){
      |         ^~

Bruno.cpp: In function 'std::vector<bool> {anonymous}::build(std::vector<int>&)':
Bruno.cpp:25:18: warning: statement has no effect [-Wunused-value]
   25 | #define bug(...) 826
      |                  ^~~
Bruno.cpp:41:25: note: in expansion of macro 'bug'
   41 |         if(stk.empty()) bug(i);
      |                         ^~~
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:55:36: note: in expansion of macro 'bug'
   55 |     if(sz(id)<100) for(auto i: id) bug(i);
      |                                    ^~~
Bruno.cpp:55:29: warning: unused variable 'i' [-Wunused-variable]
   55 |     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:57:9: note: in expansion of macro 'bug'
   57 |         bug(sz(id));
      |         ^~~
Bruno.cpp:25:18: warning: statement has no effect [-Wunused-value]
   25 | #define bug(...) 826
      |                  ^~~
Bruno.cpp:68:13: note: in expansion of macro 'bug'
   68 |             bug(i);
      |             ^~~
Bruno.cpp:25:18: warning: statement has no effect [-Wunused-value]
   25 | #define bug(...) 826
      |                  ^~~
Bruno.cpp:71:9: note: in expansion of macro 'bug'
   71 |         bug("B",sz(res));
      |         ^~~
Bruno.cpp:25:18: warning: statement has no effect [-Wunused-value]
   25 | #define bug(...) 826
      |                  ^~~
Bruno.cpp:73:9: note: in expansion of macro 'bug'
   73 |         bug(val);
      |         ^~~
Bruno.cpp:25:18: warning: statement has no effect [-Wunused-value]
   25 | #define bug(...) 826
      |                  ^~~
Bruno.cpp:75:13: note: in expansion of macro 'bug'
   75 |             bug(i);
      |             ^~~
Bruno.cpp:25:18: warning: statement has no effect [-Wunused-value]
   25 | #define bug(...) 826
      |                  ^~~
Bruno.cpp:81:9: note: in expansion of macro 'bug'
   81 |         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:113:5: note: in expansion of macro 'bug'
  113 |     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:141:13: note: in expansion of macro 'bug'
  141 |             bug(sz(tree2));
      |             ^~~
Bruno.cpp:157:58: warning: right operand of comma operator has no effect [-Wunused-value]
  157 |             for(auto i: vec2) minvec.pb(a[i]),bug(i,a[i]);
      |                                                          ^
Bruno.cpp:25:18: warning: statement has no effect [-Wunused-value]
   25 | #define bug(...) 826
      |                  ^~~
Bruno.cpp:159:13: note: in expansion of macro 'bug'
  159 |             bug(sz(tree2),sz(vec1),sz(vec2));
      |             ^~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 476 KB Output is correct
2 Correct 6 ms 480 KB Output is correct
3 Correct 7 ms 384 KB Output is correct
4 Correct 8 ms 384 KB Output is correct
5 Correct 7 ms 480 KB Output is correct
6 Correct 7 ms 384 KB Output is correct
7 Correct 8 ms 492 KB Output is correct
8 Correct 5 ms 592 KB Output is correct
9 Correct 8 ms 384 KB Output is correct
10 Correct 5 ms 548 KB Output is correct
11 Correct 7 ms 500 KB Output is correct
12 Correct 7 ms 592 KB Output is correct
13 Correct 8 ms 592 KB Output is correct
14 Correct 9 ms 492 KB Output is correct
15 Correct 13 ms 588 KB Output is correct
16 Correct 7 ms 472 KB Output is correct
17 Correct 9 ms 484 KB Output is correct
18 Correct 8 ms 592 KB Output is correct
19 Correct 7 ms 428 KB Output is correct
20 Correct 9 ms 500 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 476 KB Output is correct
2 Correct 6 ms 480 KB Output is correct
3 Correct 7 ms 384 KB Output is correct
4 Correct 8 ms 384 KB Output is correct
5 Correct 7 ms 480 KB Output is correct
6 Correct 7 ms 384 KB Output is correct
7 Correct 8 ms 492 KB Output is correct
8 Correct 5 ms 592 KB Output is correct
9 Correct 8 ms 384 KB Output is correct
10 Correct 5 ms 548 KB Output is correct
11 Correct 7 ms 500 KB Output is correct
12 Correct 7 ms 592 KB Output is correct
13 Correct 8 ms 592 KB Output is correct
14 Correct 9 ms 492 KB Output is correct
15 Correct 13 ms 588 KB Output is correct
16 Correct 7 ms 472 KB Output is correct
17 Correct 9 ms 484 KB Output is correct
18 Correct 8 ms 592 KB Output is correct
19 Correct 7 ms 428 KB Output is correct
20 Correct 9 ms 500 KB Output is correct
21 Correct 9 ms 776 KB Output is correct
22 Correct 9 ms 768 KB Output is correct
23 Correct 9 ms 804 KB Output is correct
24 Correct 10 ms 768 KB Output is correct
25 Correct 11 ms 696 KB Output is correct
26 Correct 7 ms 768 KB Output is correct
27 Correct 13 ms 732 KB Output is correct
28 Correct 10 ms 696 KB Output is correct
29 Correct 8 ms 684 KB Output is correct
30 Correct 7 ms 740 KB Output is correct
31 Correct 7 ms 736 KB Output is correct
32 Correct 9 ms 736 KB Output is correct
33 Correct 9 ms 768 KB Output is correct
34 Correct 12 ms 728 KB Output is correct
35 Correct 10 ms 732 KB Output is correct
36 Correct 8 ms 768 KB Output is correct
37 Correct 12 ms 760 KB Output is correct

Subtask #3
90.0 / 90.0

# Verdict Execution time Memory Grader output
1 Correct 224 ms 24016 KB Output is correct
2 Correct 203 ms 24252 KB Output is correct
3 Correct 215 ms 24208 KB Output is correct
4 Correct 180 ms 24256 KB Output is correct
5 Correct 179 ms 24328 KB Output is correct
6 Correct 160 ms 24344 KB Output is correct
7 Correct 167 ms 24272 KB Output is correct
8 Correct 202 ms 24208 KB Output is correct
9 Correct 190 ms 24208 KB Output is correct
10 Correct 201 ms 24216 KB Output is correct
11 Correct 192 ms 24276 KB Output is correct
12 Correct 178 ms 24336 KB Output is correct
13 Correct 207 ms 24292 KB Output is correct
14 Correct 176 ms 24248 KB Output is correct
15 Correct 179 ms 24328 KB Output is correct
16 Correct 169 ms 24236 KB Output is correct
17 Correct 176 ms 24256 KB Output is correct
18 Correct 176 ms 24216 KB Output is correct
19 Correct 165 ms 24256 KB Output is correct
20 Correct 169 ms 24292 KB Output is correct
21 Correct 198 ms 24252 KB Output is correct
22 Correct 188 ms 24212 KB Output is correct
23 Correct 184 ms 24212 KB Output is correct
24 Correct 187 ms 24264 KB Output is correct
25 Correct 172 ms 24216 KB Output is correct
26 Correct 162 ms 24236 KB Output is correct
27 Correct 181 ms 24252 KB Output is correct
28 Correct 185 ms 24216 KB Output is correct
29 Correct 195 ms 24248 KB Output is correct
30 Correct 189 ms 24260 KB Output is correct