oj.uz

Submission #944733

# Submission time Handle Problem Language Result Execution time Memory
944733 2024-03-13T04:12:52 Z yeediot Minerals (JOI19_minerals) C++17
85 / 100
 34 ms 3668 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)*0.38;
        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 1 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 1552 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 1 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 1552 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1032 KB Output is correct
12 Correct 9 ms 1620 KB Output is correct
13 Correct 10 ms 1592 KB Output is correct
14 Correct 8 ms 1332 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 1 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 1552 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1032 KB Output is correct
12 Correct 9 ms 1620 KB Output is correct
13 Correct 10 ms 1592 KB Output is correct
14 Correct 8 ms 1332 KB Output is correct
15 Correct 24 ms 3236 KB Output is correct
16 Correct 26 ms 3252 KB Output is correct
17 Correct 18 ms 3400 KB Output is correct
18 Correct 19 ms 3016 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 1 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 1552 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1032 KB Output is correct
12 Correct 9 ms 1620 KB Output is correct
13 Correct 10 ms 1592 KB Output is correct
14 Correct 8 ms 1332 KB Output is correct
15 Correct 24 ms 3236 KB Output is correct
16 Correct 26 ms 3252 KB Output is correct
17 Correct 18 ms 3400 KB Output is correct
18 Correct 19 ms 3016 KB Output is correct
19 Correct 34 ms 3216 KB Output is correct
20 Correct 26 ms 3096 KB Output is correct
21 Correct 21 ms 3668 KB Output is correct
22 Correct 19 ms 3232 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 1 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 1552 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1032 KB Output is correct
12 Correct 9 ms 1620 KB Output is correct
13 Correct 10 ms 1592 KB Output is correct
14 Correct 8 ms 1332 KB Output is correct
15 Correct 24 ms 3236 KB Output is correct
16 Correct 26 ms 3252 KB Output is correct
17 Correct 18 ms 3400 KB Output is correct
18 Correct 19 ms 3016 KB Output is correct
19 Correct 34 ms 3216 KB Output is correct
20 Correct 26 ms 3096 KB Output is correct
21 Correct 21 ms 3668 KB Output is correct
22 Correct 19 ms 3232 KB Output is correct
23 Correct 27 ms 3244 KB Output is correct
24 Correct 27 ms 3192 KB Output is correct
25 Correct 19 ms 3456 KB Output is correct
26 Correct 25 ms 3140 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 1 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 1552 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1032 KB Output is correct
12 Correct 9 ms 1620 KB Output is correct
13 Correct 10 ms 1592 KB Output is correct
14 Correct 8 ms 1332 KB Output is correct
15 Correct 24 ms 3236 KB Output is correct
16 Correct 26 ms 3252 KB Output is correct
17 Correct 18 ms 3400 KB Output is correct
18 Correct 19 ms 3016 KB Output is correct
19 Correct 34 ms 3216 KB Output is correct
20 Correct 26 ms 3096 KB Output is correct
21 Correct 21 ms 3668 KB Output is correct
22 Correct 19 ms 3232 KB Output is correct
23 Correct 27 ms 3244 KB Output is correct
24 Correct 27 ms 3192 KB Output is correct
25 Correct 19 ms 3456 KB Output is correct
26 Correct 25 ms 3140 KB Output is correct
27 Correct 28 ms 3240 KB Output is correct
28 Correct 29 ms 3344 KB Output is correct
29 Correct 22 ms 3504 KB Output is correct
30 Correct 19 ms 3176 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 1 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 1552 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1032 KB Output is correct
12 Correct 9 ms 1620 KB Output is correct
13 Correct 10 ms 1592 KB Output is correct
14 Correct 8 ms 1332 KB Output is correct
15 Correct 24 ms 3236 KB Output is correct
16 Correct 26 ms 3252 KB Output is correct
17 Correct 18 ms 3400 KB Output is correct
18 Correct 19 ms 3016 KB Output is correct
19 Correct 34 ms 3216 KB Output is correct
20 Correct 26 ms 3096 KB Output is correct
21 Correct 21 ms 3668 KB Output is correct
22 Correct 19 ms 3232 KB Output is correct
23 Correct 27 ms 3244 KB Output is correct
24 Correct 27 ms 3192 KB Output is correct
25 Correct 19 ms 3456 KB Output is correct
26 Correct 25 ms 3140 KB Output is correct
27 Correct 28 ms 3240 KB Output is correct
28 Correct 29 ms 3344 KB Output is correct
29 Correct 22 ms 3504 KB Output is correct
30 Correct 19 ms 3176 KB Output is correct
31 Incorrect 26 ms 3412 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 1 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 1552 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1032 KB Output is correct
12 Correct 9 ms 1620 KB Output is correct
13 Correct 10 ms 1592 KB Output is correct
14 Correct 8 ms 1332 KB Output is correct
15 Correct 24 ms 3236 KB Output is correct
16 Correct 26 ms 3252 KB Output is correct
17 Correct 18 ms 3400 KB Output is correct
18 Correct 19 ms 3016 KB Output is correct
19 Correct 34 ms 3216 KB Output is correct
20 Correct 26 ms 3096 KB Output is correct
21 Correct 21 ms 3668 KB Output is correct
22 Correct 19 ms 3232 KB Output is correct
23 Correct 27 ms 3244 KB Output is correct
24 Correct 27 ms 3192 KB Output is correct
25 Correct 19 ms 3456 KB Output is correct
26 Correct 25 ms 3140 KB Output is correct
27 Correct 28 ms 3240 KB Output is correct
28 Correct 29 ms 3344 KB Output is correct
29 Correct 22 ms 3504 KB Output is correct
30 Correct 19 ms 3176 KB Output is correct
31 Incorrect 26 ms 3412 KB Wrong Answer [2]
32 Halted 0 ms 0 KB -