oj.uz

Submission #944741

# Submission time Handle Problem Language Result Execution time Memory
944741 2024-03-13T04:15:55 Z yeediot Minerals (JOI19_minerals) C++14
80 / 100
 29 ms 4132 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)/2-1;
        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 0 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 1112 KB Output is correct
5 Correct 9 ms 1576 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 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 1112 KB Output is correct
9 Correct 9 ms 1576 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1288 KB Output is correct
12 Correct 9 ms 1572 KB Output is correct
13 Correct 7 ms 1624 KB Output is correct
14 Correct 7 ms 1624 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 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 1112 KB Output is correct
9 Correct 9 ms 1576 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1288 KB Output is correct
12 Correct 9 ms 1572 KB Output is correct
13 Correct 7 ms 1624 KB Output is correct
14 Correct 7 ms 1624 KB Output is correct
15 Correct 27 ms 3656 KB Output is correct
16 Correct 28 ms 3860 KB Output is correct
17 Correct 23 ms 3864 KB Output is correct
18 Correct 22 ms 3568 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 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 1112 KB Output is correct
9 Correct 9 ms 1576 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1288 KB Output is correct
12 Correct 9 ms 1572 KB Output is correct
13 Correct 7 ms 1624 KB Output is correct
14 Correct 7 ms 1624 KB Output is correct
15 Correct 27 ms 3656 KB Output is correct
16 Correct 28 ms 3860 KB Output is correct
17 Correct 23 ms 3864 KB Output is correct
18 Correct 22 ms 3568 KB Output is correct
19 Correct 28 ms 3808 KB Output is correct
20 Correct 27 ms 3860 KB Output is correct
21 Correct 19 ms 3980 KB Output is correct
22 Correct 19 ms 3968 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 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 1112 KB Output is correct
9 Correct 9 ms 1576 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1288 KB Output is correct
12 Correct 9 ms 1572 KB Output is correct
13 Correct 7 ms 1624 KB Output is correct
14 Correct 7 ms 1624 KB Output is correct
15 Correct 27 ms 3656 KB Output is correct
16 Correct 28 ms 3860 KB Output is correct
17 Correct 23 ms 3864 KB Output is correct
18 Correct 22 ms 3568 KB Output is correct
19 Correct 28 ms 3808 KB Output is correct
20 Correct 27 ms 3860 KB Output is correct
21 Correct 19 ms 3980 KB Output is correct
22 Correct 19 ms 3968 KB Output is correct
23 Correct 27 ms 3924 KB Output is correct
24 Correct 29 ms 4024 KB Output is correct
25 Correct 20 ms 4116 KB Output is correct
26 Correct 20 ms 4132 KB Output is correct

Subtask #7
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 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 1112 KB Output is correct
9 Correct 9 ms 1576 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1288 KB Output is correct
12 Correct 9 ms 1572 KB Output is correct
13 Correct 7 ms 1624 KB Output is correct
14 Correct 7 ms 1624 KB Output is correct
15 Correct 27 ms 3656 KB Output is correct
16 Correct 28 ms 3860 KB Output is correct
17 Correct 23 ms 3864 KB Output is correct
18 Correct 22 ms 3568 KB Output is correct
19 Correct 28 ms 3808 KB Output is correct
20 Correct 27 ms 3860 KB Output is correct
21 Correct 19 ms 3980 KB Output is correct
22 Correct 19 ms 3968 KB Output is correct
23 Correct 27 ms 3924 KB Output is correct
24 Correct 29 ms 4024 KB Output is correct
25 Correct 20 ms 4116 KB Output is correct
26 Correct 20 ms 4132 KB Output is correct
27 Incorrect 26 ms 4004 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -

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 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 1112 KB Output is correct
9 Correct 9 ms 1576 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1288 KB Output is correct
12 Correct 9 ms 1572 KB Output is correct
13 Correct 7 ms 1624 KB Output is correct
14 Correct 7 ms 1624 KB Output is correct
15 Correct 27 ms 3656 KB Output is correct
16 Correct 28 ms 3860 KB Output is correct
17 Correct 23 ms 3864 KB Output is correct
18 Correct 22 ms 3568 KB Output is correct
19 Correct 28 ms 3808 KB Output is correct
20 Correct 27 ms 3860 KB Output is correct
21 Correct 19 ms 3980 KB Output is correct
22 Correct 19 ms 3968 KB Output is correct
23 Correct 27 ms 3924 KB Output is correct
24 Correct 29 ms 4024 KB Output is correct
25 Correct 20 ms 4116 KB Output is correct
26 Correct 20 ms 4132 KB Output is correct
27 Incorrect 26 ms 4004 KB Wrong Answer [2]
28 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 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 1112 KB Output is correct
9 Correct 9 ms 1576 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1288 KB Output is correct
12 Correct 9 ms 1572 KB Output is correct
13 Correct 7 ms 1624 KB Output is correct
14 Correct 7 ms 1624 KB Output is correct
15 Correct 27 ms 3656 KB Output is correct
16 Correct 28 ms 3860 KB Output is correct
17 Correct 23 ms 3864 KB Output is correct
18 Correct 22 ms 3568 KB Output is correct
19 Correct 28 ms 3808 KB Output is correct
20 Correct 27 ms 3860 KB Output is correct
21 Correct 19 ms 3980 KB Output is correct
22 Correct 19 ms 3968 KB Output is correct
23 Correct 27 ms 3924 KB Output is correct
24 Correct 29 ms 4024 KB Output is correct
25 Correct 20 ms 4116 KB Output is correct
26 Correct 20 ms 4132 KB Output is correct
27 Incorrect 26 ms 4004 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -