oj.uz

Submission #944778

# Submission time Handle Problem Language Result Execution time Memory
944778 2024-03-13T04:42:05 Z yeediot Minerals (JOI19_minerals) C++14
85 / 100
 37 ms 3820 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(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 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 504 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 856 KB Output is correct
5 Correct 15 ms 1548 KB Output is correct

Subtask #3
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 504 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 856 KB Output is correct
9 Correct 15 ms 1548 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 7 ms 1020 KB Output is correct
12 Correct 14 ms 1688 KB Output is correct
13 Correct 11 ms 1492 KB Output is correct
14 Correct 7 ms 1332 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 504 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 856 KB Output is correct
9 Correct 15 ms 1548 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 7 ms 1020 KB Output is correct
12 Correct 14 ms 1688 KB Output is correct
13 Correct 11 ms 1492 KB Output is correct
14 Correct 7 ms 1332 KB Output is correct
15 Correct 25 ms 3240 KB Output is correct
16 Correct 37 ms 3120 KB Output is correct
17 Correct 19 ms 3184 KB Output is correct
18 Correct 22 ms 3164 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 504 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 856 KB Output is correct
9 Correct 15 ms 1548 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 7 ms 1020 KB Output is correct
12 Correct 14 ms 1688 KB Output is correct
13 Correct 11 ms 1492 KB Output is correct
14 Correct 7 ms 1332 KB Output is correct
15 Correct 25 ms 3240 KB Output is correct
16 Correct 37 ms 3120 KB Output is correct
17 Correct 19 ms 3184 KB Output is correct
18 Correct 22 ms 3164 KB Output is correct
19 Correct 28 ms 3244 KB Output is correct
20 Correct 28 ms 3344 KB Output is correct
21 Correct 20 ms 3508 KB Output is correct
22 Correct 30 ms 3208 KB Output is correct

Subtask #6
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 504 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 856 KB Output is correct
9 Correct 15 ms 1548 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 7 ms 1020 KB Output is correct
12 Correct 14 ms 1688 KB Output is correct
13 Correct 11 ms 1492 KB Output is correct
14 Correct 7 ms 1332 KB Output is correct
15 Correct 25 ms 3240 KB Output is correct
16 Correct 37 ms 3120 KB Output is correct
17 Correct 19 ms 3184 KB Output is correct
18 Correct 22 ms 3164 KB Output is correct
19 Correct 28 ms 3244 KB Output is correct
20 Correct 28 ms 3344 KB Output is correct
21 Correct 20 ms 3508 KB Output is correct
22 Correct 30 ms 3208 KB Output is correct
23 Correct 29 ms 3420 KB Output is correct
24 Correct 30 ms 3368 KB Output is correct
25 Correct 21 ms 3532 KB Output is correct
26 Correct 20 ms 3216 KB Output is correct

Subtask #7
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 504 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 856 KB Output is correct
9 Correct 15 ms 1548 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 7 ms 1020 KB Output is correct
12 Correct 14 ms 1688 KB Output is correct
13 Correct 11 ms 1492 KB Output is correct
14 Correct 7 ms 1332 KB Output is correct
15 Correct 25 ms 3240 KB Output is correct
16 Correct 37 ms 3120 KB Output is correct
17 Correct 19 ms 3184 KB Output is correct
18 Correct 22 ms 3164 KB Output is correct
19 Correct 28 ms 3244 KB Output is correct
20 Correct 28 ms 3344 KB Output is correct
21 Correct 20 ms 3508 KB Output is correct
22 Correct 30 ms 3208 KB Output is correct
23 Correct 29 ms 3420 KB Output is correct
24 Correct 30 ms 3368 KB Output is correct
25 Correct 21 ms 3532 KB Output is correct
26 Correct 20 ms 3216 KB Output is correct
27 Correct 30 ms 3452 KB Output is correct
28 Correct 30 ms 3608 KB Output is correct
29 Correct 23 ms 3820 KB Output is correct
30 Correct 20 ms 3684 KB Output is correct

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 504 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 856 KB Output is correct
9 Correct 15 ms 1548 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 7 ms 1020 KB Output is correct
12 Correct 14 ms 1688 KB Output is correct
13 Correct 11 ms 1492 KB Output is correct
14 Correct 7 ms 1332 KB Output is correct
15 Correct 25 ms 3240 KB Output is correct
16 Correct 37 ms 3120 KB Output is correct
17 Correct 19 ms 3184 KB Output is correct
18 Correct 22 ms 3164 KB Output is correct
19 Correct 28 ms 3244 KB Output is correct
20 Correct 28 ms 3344 KB Output is correct
21 Correct 20 ms 3508 KB Output is correct
22 Correct 30 ms 3208 KB Output is correct
23 Correct 29 ms 3420 KB Output is correct
24 Correct 30 ms 3368 KB Output is correct
25 Correct 21 ms 3532 KB Output is correct
26 Correct 20 ms 3216 KB Output is correct
27 Correct 30 ms 3452 KB Output is correct
28 Correct 30 ms 3608 KB Output is correct
29 Correct 23 ms 3820 KB Output is correct
30 Correct 20 ms 3684 KB Output is correct
31 Incorrect 30 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 1 ms 344 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 1 ms 504 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 856 KB Output is correct
9 Correct 15 ms 1548 KB Output is correct
10 Correct 2 ms 344 KB Output is correct
11 Correct 7 ms 1020 KB Output is correct
12 Correct 14 ms 1688 KB Output is correct
13 Correct 11 ms 1492 KB Output is correct
14 Correct 7 ms 1332 KB Output is correct
15 Correct 25 ms 3240 KB Output is correct
16 Correct 37 ms 3120 KB Output is correct
17 Correct 19 ms 3184 KB Output is correct
18 Correct 22 ms 3164 KB Output is correct
19 Correct 28 ms 3244 KB Output is correct
20 Correct 28 ms 3344 KB Output is correct
21 Correct 20 ms 3508 KB Output is correct
22 Correct 30 ms 3208 KB Output is correct
23 Correct 29 ms 3420 KB Output is correct
24 Correct 30 ms 3368 KB Output is correct
25 Correct 21 ms 3532 KB Output is correct
26 Correct 20 ms 3216 KB Output is correct
27 Correct 30 ms 3452 KB Output is correct
28 Correct 30 ms 3608 KB Output is correct
29 Correct 23 ms 3820 KB Output is correct
30 Correct 20 ms 3684 KB Output is correct
31 Incorrect 30 ms 3476 KB Wrong Answer [2]
32 Halted 0 ms 0 KB -