oj.uz

Submission #944780

# Submission time Handle Problem Language Result Execution time Memory
944780 2024-03-13T04:42:27 Z yeediot Minerals (JOI19_minerals) C++14
85 / 100
 34 ms 3640 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=2*n;i>=1;i--){
        if(prev<=n and 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)*0.37;
        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:
 ///////////////
 ///////
 //
     /
 /
  / 
 */

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 856 KB Output is correct
5 Correct 10 ms 1616 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 856 KB Output is correct
9 Correct 10 ms 1616 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1112 KB Output is correct
12 Correct 9 ms 1576 KB Output is correct
13 Correct 8 ms 2004 KB Output is correct
14 Correct 7 ms 1752 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 856 KB Output is correct
9 Correct 10 ms 1616 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1112 KB Output is correct
12 Correct 9 ms 1576 KB Output is correct
13 Correct 8 ms 2004 KB Output is correct
14 Correct 7 ms 1752 KB Output is correct
15 Correct 25 ms 3244 KB Output is correct
16 Correct 25 ms 3104 KB Output is correct
17 Correct 19 ms 3640 KB Output is correct
18 Correct 20 ms 3168 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 856 KB Output is correct
9 Correct 10 ms 1616 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1112 KB Output is correct
12 Correct 9 ms 1576 KB Output is correct
13 Correct 8 ms 2004 KB Output is correct
14 Correct 7 ms 1752 KB Output is correct
15 Correct 25 ms 3244 KB Output is correct
16 Correct 25 ms 3104 KB Output is correct
17 Correct 19 ms 3640 KB Output is correct
18 Correct 20 ms 3168 KB Output is correct
19 Correct 25 ms 3236 KB Output is correct
20 Correct 27 ms 3484 KB Output is correct
21 Correct 21 ms 3480 KB Output is correct
22 Correct 19 ms 3412 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 856 KB Output is correct
9 Correct 10 ms 1616 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1112 KB Output is correct
12 Correct 9 ms 1576 KB Output is correct
13 Correct 8 ms 2004 KB Output is correct
14 Correct 7 ms 1752 KB Output is correct
15 Correct 25 ms 3244 KB Output is correct
16 Correct 25 ms 3104 KB Output is correct
17 Correct 19 ms 3640 KB Output is correct
18 Correct 20 ms 3168 KB Output is correct
19 Correct 25 ms 3236 KB Output is correct
20 Correct 27 ms 3484 KB Output is correct
21 Correct 21 ms 3480 KB Output is correct
22 Correct 19 ms 3412 KB Output is correct
23 Correct 27 ms 3496 KB Output is correct
24 Correct 27 ms 3500 KB Output is correct
25 Correct 20 ms 3596 KB Output is correct
26 Correct 20 ms 3400 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 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 856 KB Output is correct
9 Correct 10 ms 1616 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1112 KB Output is correct
12 Correct 9 ms 1576 KB Output is correct
13 Correct 8 ms 2004 KB Output is correct
14 Correct 7 ms 1752 KB Output is correct
15 Correct 25 ms 3244 KB Output is correct
16 Correct 25 ms 3104 KB Output is correct
17 Correct 19 ms 3640 KB Output is correct
18 Correct 20 ms 3168 KB Output is correct
19 Correct 25 ms 3236 KB Output is correct
20 Correct 27 ms 3484 KB Output is correct
21 Correct 21 ms 3480 KB Output is correct
22 Correct 19 ms 3412 KB Output is correct
23 Correct 27 ms 3496 KB Output is correct
24 Correct 27 ms 3500 KB Output is correct
25 Correct 20 ms 3596 KB Output is correct
26 Correct 20 ms 3400 KB Output is correct
27 Correct 34 ms 3496 KB Output is correct
28 Correct 27 ms 3500 KB Output is correct
29 Correct 21 ms 3412 KB Output is correct
30 Correct 23 ms 3576 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 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 856 KB Output is correct
9 Correct 10 ms 1616 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1112 KB Output is correct
12 Correct 9 ms 1576 KB Output is correct
13 Correct 8 ms 2004 KB Output is correct
14 Correct 7 ms 1752 KB Output is correct
15 Correct 25 ms 3244 KB Output is correct
16 Correct 25 ms 3104 KB Output is correct
17 Correct 19 ms 3640 KB Output is correct
18 Correct 20 ms 3168 KB Output is correct
19 Correct 25 ms 3236 KB Output is correct
20 Correct 27 ms 3484 KB Output is correct
21 Correct 21 ms 3480 KB Output is correct
22 Correct 19 ms 3412 KB Output is correct
23 Correct 27 ms 3496 KB Output is correct
24 Correct 27 ms 3500 KB Output is correct
25 Correct 20 ms 3596 KB Output is correct
26 Correct 20 ms 3400 KB Output is correct
27 Correct 34 ms 3496 KB Output is correct
28 Correct 27 ms 3500 KB Output is correct
29 Correct 21 ms 3412 KB Output is correct
30 Correct 23 ms 3576 KB Output is correct
31 Incorrect 26 ms 3484 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 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 856 KB Output is correct
9 Correct 10 ms 1616 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1112 KB Output is correct
12 Correct 9 ms 1576 KB Output is correct
13 Correct 8 ms 2004 KB Output is correct
14 Correct 7 ms 1752 KB Output is correct
15 Correct 25 ms 3244 KB Output is correct
16 Correct 25 ms 3104 KB Output is correct
17 Correct 19 ms 3640 KB Output is correct
18 Correct 20 ms 3168 KB Output is correct
19 Correct 25 ms 3236 KB Output is correct
20 Correct 27 ms 3484 KB Output is correct
21 Correct 21 ms 3480 KB Output is correct
22 Correct 19 ms 3412 KB Output is correct
23 Correct 27 ms 3496 KB Output is correct
24 Correct 27 ms 3500 KB Output is correct
25 Correct 20 ms 3596 KB Output is correct
26 Correct 20 ms 3400 KB Output is correct
27 Correct 34 ms 3496 KB Output is correct
28 Correct 27 ms 3500 KB Output is correct
29 Correct 21 ms 3412 KB Output is correct
30 Correct 23 ms 3576 KB Output is correct
31 Incorrect 26 ms 3484 KB Wrong Answer [2]
32 Halted 0 ms 0 KB -