oj.uz

Submission #944728

# Submission time Handle Problem Language Result Execution time Memory
944728 2024-03-13T04:12:04 Z yeediot Minerals (JOI19_minerals) C++14
80 / 100
 29 ms 4160 KB 
#include<bits/stdc++.h>
using namespace std;
#define F first
#define S second
#define all(x) x.begin(),x.end()
#define pii pair<int,int>
#define pb push_back
#define sz(x) (int)(x.size())
#define chmin(x,y) x=min(x,y)
#define chmax(x,y) x=max(x,y)
#define vi vector<int>
#define vp vector<pii>
#define vvi vector<vi>
const int mxn=43000;

#ifdef local
void setio(){freopen("/Users/iantsai/Library/Mobile Documents/com~apple~CloudDocs/cpp/Empty.md","r",stdin);}
set<int>cur;
int color[mxn];
int cnt[mxn];
int n;
bool ok;
int tt=0;
void init(){
    cin>>n;
    for(int i=1;i<=2*n;i++){
        cin>>color[i];
    }
}
int res;
int Query(int x){
    tt++;
    if(cur.find(x)!=cur.end()){
        cur.erase(x);
        cnt[color[x]]--;
        if(cnt[color[x]]==0)res--;
    }
    else{
        cur.insert(x);
        cnt[color[x]]++;
        if(cnt[color[x]]==1)res++;
    }
    return res;
}
void Answer(int a,int b){
    if(a>b)swap(a,b);
    cout<<a<<' '<<b<<'\n';
    if(color[a]!=color[b]){
        ok=0;
    }
}
#else
void setio(){}
#include "minerals.h"
#endif
//////////////////
vector<int>cur2;
void Solve(int n){
    vector<int>temp;
    int prev=0;
    for(int i=1;i<=2*n;i++){
        if(Query(i)==prev+1){
            prev++;
            temp.pb(i);
        }
        else{
            cur2.pb(i);
        }
    }
    queue<tuple<vector<int>,int,int,bool>>Q;
    Q.push({temp,0,n-1,1});
    while(sz(Q)){
        auto [cur,l,r,flag2]=Q.front();
        Q.pop();
        if(l==r){
            Answer(cur[0],cur2[l]);
            continue;
        }
        int mm;
        int len=(r-l+1)*0.45;
        if(flag2){
            mm=max(l,min(r-1,r-len));
        }
        else{
            mm=min(r-1,max(l,l+len));
        }
        int dick;
        if(flag2){
            for(int i=mm+1;i<=r;i++){
                dick=Query(cur2[i]);
            }
        }
        else{
            for(int i=l;i<=mm;i++){
                dick=Query(cur2[i]);
            }
        }
        vector<int>L,R;
        for(auto i:cur){
            int x=Query(i);
            if(x==dick){
                L.pb(i);
            }
            else{
                R.pb(i);
            }
            dick=x;
        }
        if(sz(L)){
            Q.push({L,l,mm,1});
        }
        if(sz(R)){
            Q.push({R,mm+1,r,0});
        }
    }
}
#ifdef local
int main(){
    ok=1;
    tt=0;
    setio();
    init();
    Solve(n);
    cout<<tt<<'\n';
    if(ok)cout<<"Accepted!\n";
    else cout<<"Wrong Answer\n";
}
#else

#endif

 /*
 input:
 2n+nlogn+1/2(nlogn)
 */

Compilation message

minerals.cpp: In function 'void Solve(int)':
minerals.cpp:73:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   73 |         auto [cur,l,r,flag2]=Q.front();
      |              ^
minerals.cpp:101:13: warning: 'dick' may be used uninitialized in this function [-Wmaybe-uninitialized]
  101 |             if(x==dick){
      |             ^~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 600 KB Output is correct
3 Correct 2 ms 600 KB Output is correct
4 Correct 5 ms 940 KB Output is correct
5 Correct 9 ms 1588 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 940 KB Output is correct
9 Correct 9 ms 1588 KB Output is correct
10 Correct 1 ms 504 KB Output is correct
11 Correct 6 ms 1280 KB Output is correct
12 Correct 10 ms 1592 KB Output is correct
13 Correct 7 ms 1916 KB Output is correct
14 Correct 7 ms 1972 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 940 KB Output is correct
9 Correct 9 ms 1588 KB Output is correct
10 Correct 1 ms 504 KB Output is correct
11 Correct 6 ms 1280 KB Output is correct
12 Correct 10 ms 1592 KB Output is correct
13 Correct 7 ms 1916 KB Output is correct
14 Correct 7 ms 1972 KB Output is correct
15 Correct 26 ms 3752 KB Output is correct
16 Correct 28 ms 3616 KB Output is correct
17 Correct 19 ms 3804 KB Output is correct
18 Correct 18 ms 4160 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 940 KB Output is correct
9 Correct 9 ms 1588 KB Output is correct
10 Correct 1 ms 504 KB Output is correct
11 Correct 6 ms 1280 KB Output is correct
12 Correct 10 ms 1592 KB Output is correct
13 Correct 7 ms 1916 KB Output is correct
14 Correct 7 ms 1972 KB Output is correct
15 Correct 26 ms 3752 KB Output is correct
16 Correct 28 ms 3616 KB Output is correct
17 Correct 19 ms 3804 KB Output is correct
18 Correct 18 ms 4160 KB Output is correct
19 Correct 28 ms 3872 KB Output is correct
20 Correct 27 ms 3672 KB Output is correct
21 Correct 25 ms 4108 KB Output is correct
22 Correct 21 ms 3524 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 940 KB Output is correct
9 Correct 9 ms 1588 KB Output is correct
10 Correct 1 ms 504 KB Output is correct
11 Correct 6 ms 1280 KB Output is correct
12 Correct 10 ms 1592 KB Output is correct
13 Correct 7 ms 1916 KB Output is correct
14 Correct 7 ms 1972 KB Output is correct
15 Correct 26 ms 3752 KB Output is correct
16 Correct 28 ms 3616 KB Output is correct
17 Correct 19 ms 3804 KB Output is correct
18 Correct 18 ms 4160 KB Output is correct
19 Correct 28 ms 3872 KB Output is correct
20 Correct 27 ms 3672 KB Output is correct
21 Correct 25 ms 4108 KB Output is correct
22 Correct 21 ms 3524 KB Output is correct
23 Correct 28 ms 3816 KB Output is correct
24 Correct 27 ms 3924 KB Output is correct
25 Correct 20 ms 3740 KB Output is correct
26 Correct 20 ms 3900 KB Output is correct

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 940 KB Output is correct
9 Correct 9 ms 1588 KB Output is correct
10 Correct 1 ms 504 KB Output is correct
11 Correct 6 ms 1280 KB Output is correct
12 Correct 10 ms 1592 KB Output is correct
13 Correct 7 ms 1916 KB Output is correct
14 Correct 7 ms 1972 KB Output is correct
15 Correct 26 ms 3752 KB Output is correct
16 Correct 28 ms 3616 KB Output is correct
17 Correct 19 ms 3804 KB Output is correct
18 Correct 18 ms 4160 KB Output is correct
19 Correct 28 ms 3872 KB Output is correct
20 Correct 27 ms 3672 KB Output is correct
21 Correct 25 ms 4108 KB Output is correct
22 Correct 21 ms 3524 KB Output is correct
23 Correct 28 ms 3816 KB Output is correct
24 Correct 27 ms 3924 KB Output is correct
25 Correct 20 ms 3740 KB Output is correct
26 Correct 20 ms 3900 KB Output is correct
27 Incorrect 29 ms 3916 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 940 KB Output is correct
9 Correct 9 ms 1588 KB Output is correct
10 Correct 1 ms 504 KB Output is correct
11 Correct 6 ms 1280 KB Output is correct
12 Correct 10 ms 1592 KB Output is correct
13 Correct 7 ms 1916 KB Output is correct
14 Correct 7 ms 1972 KB Output is correct
15 Correct 26 ms 3752 KB Output is correct
16 Correct 28 ms 3616 KB Output is correct
17 Correct 19 ms 3804 KB Output is correct
18 Correct 18 ms 4160 KB Output is correct
19 Correct 28 ms 3872 KB Output is correct
20 Correct 27 ms 3672 KB Output is correct
21 Correct 25 ms 4108 KB Output is correct
22 Correct 21 ms 3524 KB Output is correct
23 Correct 28 ms 3816 KB Output is correct
24 Correct 27 ms 3924 KB Output is correct
25 Correct 20 ms 3740 KB Output is correct
26 Correct 20 ms 3900 KB Output is correct
27 Incorrect 29 ms 3916 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 344 KB Output is correct
4 Correct 0 ms 344 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 600 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 940 KB Output is correct
9 Correct 9 ms 1588 KB Output is correct
10 Correct 1 ms 504 KB Output is correct
11 Correct 6 ms 1280 KB Output is correct
12 Correct 10 ms 1592 KB Output is correct
13 Correct 7 ms 1916 KB Output is correct
14 Correct 7 ms 1972 KB Output is correct
15 Correct 26 ms 3752 KB Output is correct
16 Correct 28 ms 3616 KB Output is correct
17 Correct 19 ms 3804 KB Output is correct
18 Correct 18 ms 4160 KB Output is correct
19 Correct 28 ms 3872 KB Output is correct
20 Correct 27 ms 3672 KB Output is correct
21 Correct 25 ms 4108 KB Output is correct
22 Correct 21 ms 3524 KB Output is correct
23 Correct 28 ms 3816 KB Output is correct
24 Correct 27 ms 3924 KB Output is correct
25 Correct 20 ms 3740 KB Output is correct
26 Correct 20 ms 3900 KB Output is correct
27 Incorrect 29 ms 3916 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -