oj.uz

Submission #944720

# Submission time Handle Problem Language Result Execution time Memory
944720 2024-03-13T04:10:40 Z yeediot Minerals (JOI19_minerals) C++14
75 / 100
 41 ms 3892 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;
        if(flag2){
            mm=max(l,min(r-1,l+int(0.5*len)));
        }
        else{
            mm=min(r-1,max(l,l+int(0.5*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 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 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 4 ms 696 KB Output is correct
4 Correct 5 ms 1112 KB Output is correct
5 Correct 10 ms 1584 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 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 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 4 ms 696 KB Output is correct
8 Correct 5 ms 1112 KB Output is correct
9 Correct 10 ms 1584 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 7 ms 1368 KB Output is correct
12 Correct 9 ms 1576 KB Output is correct
13 Correct 8 ms 1628 KB Output is correct
14 Correct 8 ms 1568 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 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 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 4 ms 696 KB Output is correct
8 Correct 5 ms 1112 KB Output is correct
9 Correct 10 ms 1584 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 7 ms 1368 KB Output is correct
12 Correct 9 ms 1576 KB Output is correct
13 Correct 8 ms 1628 KB Output is correct
14 Correct 8 ms 1568 KB Output is correct
15 Correct 29 ms 3656 KB Output is correct
16 Correct 39 ms 3736 KB Output is correct
17 Correct 24 ms 3648 KB Output is correct
18 Correct 20 ms 3640 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 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 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 4 ms 696 KB Output is correct
8 Correct 5 ms 1112 KB Output is correct
9 Correct 10 ms 1584 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 7 ms 1368 KB Output is correct
12 Correct 9 ms 1576 KB Output is correct
13 Correct 8 ms 1628 KB Output is correct
14 Correct 8 ms 1568 KB Output is correct
15 Correct 29 ms 3656 KB Output is correct
16 Correct 39 ms 3736 KB Output is correct
17 Correct 24 ms 3648 KB Output is correct
18 Correct 20 ms 3640 KB Output is correct
19 Correct 33 ms 3664 KB Output is correct
20 Correct 41 ms 3892 KB Output is correct
21 Correct 20 ms 3836 KB Output is correct
22 Correct 19 ms 3884 KB Output is correct

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 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 4 ms 696 KB Output is correct
8 Correct 5 ms 1112 KB Output is correct
9 Correct 10 ms 1584 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 7 ms 1368 KB Output is correct
12 Correct 9 ms 1576 KB Output is correct
13 Correct 8 ms 1628 KB Output is correct
14 Correct 8 ms 1568 KB Output is correct
15 Correct 29 ms 3656 KB Output is correct
16 Correct 39 ms 3736 KB Output is correct
17 Correct 24 ms 3648 KB Output is correct
18 Correct 20 ms 3640 KB Output is correct
19 Correct 33 ms 3664 KB Output is correct
20 Correct 41 ms 3892 KB Output is correct
21 Correct 20 ms 3836 KB Output is correct
22 Correct 19 ms 3884 KB Output is correct
23 Incorrect 31 ms 3836 KB Wrong Answer [2]
24 Halted 0 ms 0 KB -

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 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 4 ms 696 KB Output is correct
8 Correct 5 ms 1112 KB Output is correct
9 Correct 10 ms 1584 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 7 ms 1368 KB Output is correct
12 Correct 9 ms 1576 KB Output is correct
13 Correct 8 ms 1628 KB Output is correct
14 Correct 8 ms 1568 KB Output is correct
15 Correct 29 ms 3656 KB Output is correct
16 Correct 39 ms 3736 KB Output is correct
17 Correct 24 ms 3648 KB Output is correct
18 Correct 20 ms 3640 KB Output is correct
19 Correct 33 ms 3664 KB Output is correct
20 Correct 41 ms 3892 KB Output is correct
21 Correct 20 ms 3836 KB Output is correct
22 Correct 19 ms 3884 KB Output is correct
23 Incorrect 31 ms 3836 KB Wrong Answer [2]
24 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 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 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 4 ms 696 KB Output is correct
8 Correct 5 ms 1112 KB Output is correct
9 Correct 10 ms 1584 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 7 ms 1368 KB Output is correct
12 Correct 9 ms 1576 KB Output is correct
13 Correct 8 ms 1628 KB Output is correct
14 Correct 8 ms 1568 KB Output is correct
15 Correct 29 ms 3656 KB Output is correct
16 Correct 39 ms 3736 KB Output is correct
17 Correct 24 ms 3648 KB Output is correct
18 Correct 20 ms 3640 KB Output is correct
19 Correct 33 ms 3664 KB Output is correct
20 Correct 41 ms 3892 KB Output is correct
21 Correct 20 ms 3836 KB Output is correct
22 Correct 19 ms 3884 KB Output is correct
23 Incorrect 31 ms 3836 KB Wrong Answer [2]
24 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 1 ms 344 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 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 4 ms 696 KB Output is correct
8 Correct 5 ms 1112 KB Output is correct
9 Correct 10 ms 1584 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 7 ms 1368 KB Output is correct
12 Correct 9 ms 1576 KB Output is correct
13 Correct 8 ms 1628 KB Output is correct
14 Correct 8 ms 1568 KB Output is correct
15 Correct 29 ms 3656 KB Output is correct
16 Correct 39 ms 3736 KB Output is correct
17 Correct 24 ms 3648 KB Output is correct
18 Correct 20 ms 3640 KB Output is correct
19 Correct 33 ms 3664 KB Output is correct
20 Correct 41 ms 3892 KB Output is correct
21 Correct 20 ms 3836 KB Output is correct
22 Correct 19 ms 3884 KB Output is correct
23 Incorrect 31 ms 3836 KB Wrong Answer [2]
24 Halted 0 ms 0 KB -