oj.uz

Submission #387867

# Submission time Handle Problem Language Result Execution time Memory
387867 2021-04-09T10:25:05 Z i_am_noob Shopping (JOI21_shopping) C++17
100 / 100
 360 ms 24332 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,orzck;
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),orzck++;
}

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),orzck++;
            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),orzck++;
            zck++;
            while(orzck<9000) SendB(0),orzck++;
        }
    }
}

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 176 ms 572 KB Output is correct
2 Correct 156 ms 472 KB Output is correct
3 Correct 179 ms 564 KB Output is correct
4 Correct 150 ms 484 KB Output is correct
5 Correct 176 ms 488 KB Output is correct
6 Correct 177 ms 384 KB Output is correct
7 Correct 175 ms 396 KB Output is correct
8 Correct 178 ms 496 KB Output is correct
9 Correct 184 ms 496 KB Output is correct
10 Correct 177 ms 476 KB Output is correct
11 Correct 176 ms 504 KB Output is correct
12 Correct 179 ms 500 KB Output is correct
13 Correct 181 ms 388 KB Output is correct
14 Correct 144 ms 476 KB Output is correct
15 Correct 177 ms 496 KB Output is correct
16 Correct 190 ms 476 KB Output is correct
17 Correct 143 ms 596 KB Output is correct
18 Correct 181 ms 384 KB Output is correct
19 Correct 143 ms 480 KB Output is correct
20 Correct 168 ms 384 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 176 ms 572 KB Output is correct
2 Correct 156 ms 472 KB Output is correct
3 Correct 179 ms 564 KB Output is correct
4 Correct 150 ms 484 KB Output is correct
5 Correct 176 ms 488 KB Output is correct
6 Correct 177 ms 384 KB Output is correct
7 Correct 175 ms 396 KB Output is correct
8 Correct 178 ms 496 KB Output is correct
9 Correct 184 ms 496 KB Output is correct
10 Correct 177 ms 476 KB Output is correct
11 Correct 176 ms 504 KB Output is correct
12 Correct 179 ms 500 KB Output is correct
13 Correct 181 ms 388 KB Output is correct
14 Correct 144 ms 476 KB Output is correct
15 Correct 177 ms 496 KB Output is correct
16 Correct 190 ms 476 KB Output is correct
17 Correct 143 ms 596 KB Output is correct
18 Correct 181 ms 384 KB Output is correct
19 Correct 143 ms 480 KB Output is correct
20 Correct 168 ms 384 KB Output is correct
21 Correct 174 ms 772 KB Output is correct
22 Correct 176 ms 776 KB Output is correct
23 Correct 180 ms 804 KB Output is correct
24 Correct 178 ms 728 KB Output is correct
25 Correct 180 ms 700 KB Output is correct
26 Correct 180 ms 768 KB Output is correct
27 Correct 180 ms 768 KB Output is correct
28 Correct 175 ms 768 KB Output is correct
29 Correct 183 ms 752 KB Output is correct
30 Correct 180 ms 768 KB Output is correct
31 Correct 177 ms 772 KB Output is correct
32 Correct 160 ms 768 KB Output is correct
33 Correct 159 ms 852 KB Output is correct
34 Correct 181 ms 768 KB Output is correct
35 Correct 174 ms 848 KB Output is correct
36 Correct 148 ms 768 KB Output is correct
37 Correct 179 ms 808 KB Output is correct

Subtask #3
90.0 / 90.0

# Verdict Execution time Memory Grader output
1 Correct 334 ms 24044 KB Output is correct
2 Correct 332 ms 24256 KB Output is correct
3 Correct 352 ms 24216 KB Output is correct
4 Correct 336 ms 24204 KB Output is correct
5 Correct 343 ms 24264 KB Output is correct
6 Correct 331 ms 24312 KB Output is correct
7 Correct 355 ms 24332 KB Output is correct
8 Correct 337 ms 24264 KB Output is correct
9 Correct 335 ms 24252 KB Output is correct
10 Correct 336 ms 24304 KB Output is correct
11 Correct 332 ms 24252 KB Output is correct
12 Correct 338 ms 24264 KB Output is correct
13 Correct 340 ms 24288 KB Output is correct
14 Correct 324 ms 24252 KB Output is correct
15 Correct 360 ms 24204 KB Output is correct
16 Correct 351 ms 24204 KB Output is correct
17 Correct 339 ms 24300 KB Output is correct
18 Correct 345 ms 24244 KB Output is correct
19 Correct 347 ms 24252 KB Output is correct
20 Correct 340 ms 24264 KB Output is correct
21 Correct 332 ms 24308 KB Output is correct
22 Correct 341 ms 24268 KB Output is correct
23 Correct 344 ms 24236 KB Output is correct
24 Correct 341 ms 24264 KB Output is correct
25 Correct 343 ms 24308 KB Output is correct
26 Correct 340 ms 24244 KB Output is correct
27 Correct 346 ms 24304 KB Output is correct
28 Correct 303 ms 24292 KB Output is correct
29 Correct 328 ms 24260 KB Output is correct
30 Correct 332 ms 24224 KB Output is correct