oj.uz

Submission #944750

# Submission time Handle Problem Language Result Execution time Memory
944750 2024-03-13T04:22:36 Z yeediot Minerals (JOI19_minerals) C++14
85 / 100
 36 ms 3684 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)*0.375;
        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 2 ms 600 KB Output is correct
3 Correct 2 ms 600 KB Output is correct
4 Correct 5 ms 804 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 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 2 ms 600 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 804 KB Output is correct
9 Correct 9 ms 1552 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 7 ms 1280 KB Output is correct
12 Correct 9 ms 1620 KB Output is correct
13 Correct 12 ms 1536 KB Output is correct
14 Correct 8 ms 1584 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 2 ms 600 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 804 KB Output is correct
9 Correct 9 ms 1552 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 7 ms 1280 KB Output is correct
12 Correct 9 ms 1620 KB Output is correct
13 Correct 12 ms 1536 KB Output is correct
14 Correct 8 ms 1584 KB Output is correct
15 Correct 27 ms 3068 KB Output is correct
16 Correct 28 ms 3252 KB Output is correct
17 Correct 18 ms 3292 KB Output is correct
18 Correct 22 ms 2912 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 2 ms 600 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 804 KB Output is correct
9 Correct 9 ms 1552 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 7 ms 1280 KB Output is correct
12 Correct 9 ms 1620 KB Output is correct
13 Correct 12 ms 1536 KB Output is correct
14 Correct 8 ms 1584 KB Output is correct
15 Correct 27 ms 3068 KB Output is correct
16 Correct 28 ms 3252 KB Output is correct
17 Correct 18 ms 3292 KB Output is correct
18 Correct 22 ms 2912 KB Output is correct
19 Correct 26 ms 3248 KB Output is correct
20 Correct 25 ms 3240 KB Output is correct
21 Correct 23 ms 3128 KB Output is correct
22 Correct 25 ms 3068 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 2 ms 600 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 804 KB Output is correct
9 Correct 9 ms 1552 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 7 ms 1280 KB Output is correct
12 Correct 9 ms 1620 KB Output is correct
13 Correct 12 ms 1536 KB Output is correct
14 Correct 8 ms 1584 KB Output is correct
15 Correct 27 ms 3068 KB Output is correct
16 Correct 28 ms 3252 KB Output is correct
17 Correct 18 ms 3292 KB Output is correct
18 Correct 22 ms 2912 KB Output is correct
19 Correct 26 ms 3248 KB Output is correct
20 Correct 25 ms 3240 KB Output is correct
21 Correct 23 ms 3128 KB Output is correct
22 Correct 25 ms 3068 KB Output is correct
23 Correct 27 ms 3244 KB Output is correct
24 Correct 28 ms 3228 KB Output is correct
25 Correct 20 ms 3352 KB Output is correct
26 Correct 20 ms 3232 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 2 ms 600 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 804 KB Output is correct
9 Correct 9 ms 1552 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 7 ms 1280 KB Output is correct
12 Correct 9 ms 1620 KB Output is correct
13 Correct 12 ms 1536 KB Output is correct
14 Correct 8 ms 1584 KB Output is correct
15 Correct 27 ms 3068 KB Output is correct
16 Correct 28 ms 3252 KB Output is correct
17 Correct 18 ms 3292 KB Output is correct
18 Correct 22 ms 2912 KB Output is correct
19 Correct 26 ms 3248 KB Output is correct
20 Correct 25 ms 3240 KB Output is correct
21 Correct 23 ms 3128 KB Output is correct
22 Correct 25 ms 3068 KB Output is correct
23 Correct 27 ms 3244 KB Output is correct
24 Correct 28 ms 3228 KB Output is correct
25 Correct 20 ms 3352 KB Output is correct
26 Correct 20 ms 3232 KB Output is correct
27 Correct 36 ms 3488 KB Output is correct
28 Correct 33 ms 3500 KB Output is correct
29 Correct 19 ms 3684 KB Output is correct
30 Correct 20 ms 3504 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 2 ms 600 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 804 KB Output is correct
9 Correct 9 ms 1552 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 7 ms 1280 KB Output is correct
12 Correct 9 ms 1620 KB Output is correct
13 Correct 12 ms 1536 KB Output is correct
14 Correct 8 ms 1584 KB Output is correct
15 Correct 27 ms 3068 KB Output is correct
16 Correct 28 ms 3252 KB Output is correct
17 Correct 18 ms 3292 KB Output is correct
18 Correct 22 ms 2912 KB Output is correct
19 Correct 26 ms 3248 KB Output is correct
20 Correct 25 ms 3240 KB Output is correct
21 Correct 23 ms 3128 KB Output is correct
22 Correct 25 ms 3068 KB Output is correct
23 Correct 27 ms 3244 KB Output is correct
24 Correct 28 ms 3228 KB Output is correct
25 Correct 20 ms 3352 KB Output is correct
26 Correct 20 ms 3232 KB Output is correct
27 Correct 36 ms 3488 KB Output is correct
28 Correct 33 ms 3500 KB Output is correct
29 Correct 19 ms 3684 KB Output is correct
30 Correct 20 ms 3504 KB Output is correct
31 Incorrect 34 ms 3476 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 2 ms 600 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 804 KB Output is correct
9 Correct 9 ms 1552 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 7 ms 1280 KB Output is correct
12 Correct 9 ms 1620 KB Output is correct
13 Correct 12 ms 1536 KB Output is correct
14 Correct 8 ms 1584 KB Output is correct
15 Correct 27 ms 3068 KB Output is correct
16 Correct 28 ms 3252 KB Output is correct
17 Correct 18 ms 3292 KB Output is correct
18 Correct 22 ms 2912 KB Output is correct
19 Correct 26 ms 3248 KB Output is correct
20 Correct 25 ms 3240 KB Output is correct
21 Correct 23 ms 3128 KB Output is correct
22 Correct 25 ms 3068 KB Output is correct
23 Correct 27 ms 3244 KB Output is correct
24 Correct 28 ms 3228 KB Output is correct
25 Correct 20 ms 3352 KB Output is correct
26 Correct 20 ms 3232 KB Output is correct
27 Correct 36 ms 3488 KB Output is correct
28 Correct 33 ms 3500 KB Output is correct
29 Correct 19 ms 3684 KB Output is correct
30 Correct 20 ms 3504 KB Output is correct
31 Incorrect 34 ms 3476 KB Wrong Answer [2]
32 Halted 0 ms 0 KB -