oj.uz

Submission #944753

# Submission time Handle Problem Language Result Execution time Memory
944753 2024-03-13T04:22:54 Z yeediot Minerals (JOI19_minerals) C++17
85 / 100
 33 ms 3792 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)*0.373;
        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: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 0 ms 344 KB Output is correct
2 Correct 0 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 3 ms 600 KB Output is correct
4 Correct 6 ms 1020 KB Output is correct
5 Correct 10 ms 1548 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 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 3 ms 600 KB Output is correct
8 Correct 6 ms 1020 KB Output is correct
9 Correct 10 ms 1548 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1024 KB Output is correct
12 Correct 11 ms 1632 KB Output is correct
13 Correct 11 ms 1788 KB Output is correct
14 Correct 7 ms 1588 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 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 3 ms 600 KB Output is correct
8 Correct 6 ms 1020 KB Output is correct
9 Correct 10 ms 1548 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1024 KB Output is correct
12 Correct 11 ms 1632 KB Output is correct
13 Correct 11 ms 1788 KB Output is correct
14 Correct 7 ms 1588 KB Output is correct
15 Correct 27 ms 3260 KB Output is correct
16 Correct 28 ms 3100 KB Output is correct
17 Correct 20 ms 3344 KB Output is correct
18 Correct 21 ms 3092 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 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 3 ms 600 KB Output is correct
8 Correct 6 ms 1020 KB Output is correct
9 Correct 10 ms 1548 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1024 KB Output is correct
12 Correct 11 ms 1632 KB Output is correct
13 Correct 11 ms 1788 KB Output is correct
14 Correct 7 ms 1588 KB Output is correct
15 Correct 27 ms 3260 KB Output is correct
16 Correct 28 ms 3100 KB Output is correct
17 Correct 20 ms 3344 KB Output is correct
18 Correct 21 ms 3092 KB Output is correct
19 Correct 30 ms 3220 KB Output is correct
20 Correct 31 ms 3408 KB Output is correct
21 Correct 20 ms 3188 KB Output is correct
22 Correct 20 ms 3072 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 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 3 ms 600 KB Output is correct
8 Correct 6 ms 1020 KB Output is correct
9 Correct 10 ms 1548 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1024 KB Output is correct
12 Correct 11 ms 1632 KB Output is correct
13 Correct 11 ms 1788 KB Output is correct
14 Correct 7 ms 1588 KB Output is correct
15 Correct 27 ms 3260 KB Output is correct
16 Correct 28 ms 3100 KB Output is correct
17 Correct 20 ms 3344 KB Output is correct
18 Correct 21 ms 3092 KB Output is correct
19 Correct 30 ms 3220 KB Output is correct
20 Correct 31 ms 3408 KB Output is correct
21 Correct 20 ms 3188 KB Output is correct
22 Correct 20 ms 3072 KB Output is correct
23 Correct 33 ms 3496 KB Output is correct
24 Correct 30 ms 3504 KB Output is correct
25 Correct 19 ms 3380 KB Output is correct
26 Correct 22 ms 3524 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 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 3 ms 600 KB Output is correct
8 Correct 6 ms 1020 KB Output is correct
9 Correct 10 ms 1548 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1024 KB Output is correct
12 Correct 11 ms 1632 KB Output is correct
13 Correct 11 ms 1788 KB Output is correct
14 Correct 7 ms 1588 KB Output is correct
15 Correct 27 ms 3260 KB Output is correct
16 Correct 28 ms 3100 KB Output is correct
17 Correct 20 ms 3344 KB Output is correct
18 Correct 21 ms 3092 KB Output is correct
19 Correct 30 ms 3220 KB Output is correct
20 Correct 31 ms 3408 KB Output is correct
21 Correct 20 ms 3188 KB Output is correct
22 Correct 20 ms 3072 KB Output is correct
23 Correct 33 ms 3496 KB Output is correct
24 Correct 30 ms 3504 KB Output is correct
25 Correct 19 ms 3380 KB Output is correct
26 Correct 22 ms 3524 KB Output is correct
27 Correct 30 ms 3504 KB Output is correct
28 Correct 32 ms 3500 KB Output is correct
29 Correct 20 ms 3792 KB Output is correct
30 Correct 22 ms 3224 KB Output is correct

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 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 3 ms 600 KB Output is correct
8 Correct 6 ms 1020 KB Output is correct
9 Correct 10 ms 1548 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1024 KB Output is correct
12 Correct 11 ms 1632 KB Output is correct
13 Correct 11 ms 1788 KB Output is correct
14 Correct 7 ms 1588 KB Output is correct
15 Correct 27 ms 3260 KB Output is correct
16 Correct 28 ms 3100 KB Output is correct
17 Correct 20 ms 3344 KB Output is correct
18 Correct 21 ms 3092 KB Output is correct
19 Correct 30 ms 3220 KB Output is correct
20 Correct 31 ms 3408 KB Output is correct
21 Correct 20 ms 3188 KB Output is correct
22 Correct 20 ms 3072 KB Output is correct
23 Correct 33 ms 3496 KB Output is correct
24 Correct 30 ms 3504 KB Output is correct
25 Correct 19 ms 3380 KB Output is correct
26 Correct 22 ms 3524 KB Output is correct
27 Correct 30 ms 3504 KB Output is correct
28 Correct 32 ms 3500 KB Output is correct
29 Correct 20 ms 3792 KB Output is correct
30 Correct 22 ms 3224 KB Output is correct
31 Incorrect 30 ms 3592 KB Wrong Answer [2]
32 Halted 0 ms 0 KB -

Subtask #9
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 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 3 ms 600 KB Output is correct
8 Correct 6 ms 1020 KB Output is correct
9 Correct 10 ms 1548 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1024 KB Output is correct
12 Correct 11 ms 1632 KB Output is correct
13 Correct 11 ms 1788 KB Output is correct
14 Correct 7 ms 1588 KB Output is correct
15 Correct 27 ms 3260 KB Output is correct
16 Correct 28 ms 3100 KB Output is correct
17 Correct 20 ms 3344 KB Output is correct
18 Correct 21 ms 3092 KB Output is correct
19 Correct 30 ms 3220 KB Output is correct
20 Correct 31 ms 3408 KB Output is correct
21 Correct 20 ms 3188 KB Output is correct
22 Correct 20 ms 3072 KB Output is correct
23 Correct 33 ms 3496 KB Output is correct
24 Correct 30 ms 3504 KB Output is correct
25 Correct 19 ms 3380 KB Output is correct
26 Correct 22 ms 3524 KB Output is correct
27 Correct 30 ms 3504 KB Output is correct
28 Correct 32 ms 3500 KB Output is correct
29 Correct 20 ms 3792 KB Output is correct
30 Correct 22 ms 3224 KB Output is correct
31 Incorrect 30 ms 3592 KB Wrong Answer [2]
32 Halted 0 ms 0 KB -