oj.uz

Submission #944773

# Submission time Handle Problem Language Result Execution time Memory
944773 2024-03-13T04:38:11 Z yeediot Minerals (JOI19_minerals) C++14
80 / 100
 36 ms 3556 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)*0.335;
        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 340 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 852 KB Output is correct
3 Correct 2 ms 600 KB Output is correct
4 Correct 5 ms 856 KB Output is correct
5 Correct 9 ms 1284 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 340 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 852 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 856 KB Output is correct
9 Correct 9 ms 1284 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1028 KB Output is correct
12 Correct 11 ms 1364 KB Output is correct
13 Correct 8 ms 1592 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 340 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 852 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 856 KB Output is correct
9 Correct 9 ms 1284 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1028 KB Output is correct
12 Correct 11 ms 1364 KB Output is correct
13 Correct 8 ms 1592 KB Output is correct
14 Correct 7 ms 1332 KB Output is correct
15 Correct 30 ms 2996 KB Output is correct
16 Correct 25 ms 3104 KB Output is correct
17 Correct 18 ms 3296 KB Output is correct
18 Correct 27 ms 2896 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 340 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 852 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 856 KB Output is correct
9 Correct 9 ms 1284 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1028 KB Output is correct
12 Correct 11 ms 1364 KB Output is correct
13 Correct 8 ms 1592 KB Output is correct
14 Correct 7 ms 1332 KB Output is correct
15 Correct 30 ms 2996 KB Output is correct
16 Correct 25 ms 3104 KB Output is correct
17 Correct 18 ms 3296 KB Output is correct
18 Correct 27 ms 2896 KB Output is correct
19 Correct 31 ms 3124 KB Output is correct
20 Correct 31 ms 3260 KB Output is correct
21 Correct 23 ms 3172 KB Output is correct
22 Correct 21 ms 3284 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 340 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 852 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 856 KB Output is correct
9 Correct 9 ms 1284 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1028 KB Output is correct
12 Correct 11 ms 1364 KB Output is correct
13 Correct 8 ms 1592 KB Output is correct
14 Correct 7 ms 1332 KB Output is correct
15 Correct 30 ms 2996 KB Output is correct
16 Correct 25 ms 3104 KB Output is correct
17 Correct 18 ms 3296 KB Output is correct
18 Correct 27 ms 2896 KB Output is correct
19 Correct 31 ms 3124 KB Output is correct
20 Correct 31 ms 3260 KB Output is correct
21 Correct 23 ms 3172 KB Output is correct
22 Correct 21 ms 3284 KB Output is correct
23 Correct 27 ms 3132 KB Output is correct
24 Correct 36 ms 3132 KB Output is correct
25 Correct 20 ms 3556 KB Output is correct
26 Correct 20 ms 3292 KB Output is correct

Subtask #7
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 340 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 852 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 856 KB Output is correct
9 Correct 9 ms 1284 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1028 KB Output is correct
12 Correct 11 ms 1364 KB Output is correct
13 Correct 8 ms 1592 KB Output is correct
14 Correct 7 ms 1332 KB Output is correct
15 Correct 30 ms 2996 KB Output is correct
16 Correct 25 ms 3104 KB Output is correct
17 Correct 18 ms 3296 KB Output is correct
18 Correct 27 ms 2896 KB Output is correct
19 Correct 31 ms 3124 KB Output is correct
20 Correct 31 ms 3260 KB Output is correct
21 Correct 23 ms 3172 KB Output is correct
22 Correct 21 ms 3284 KB Output is correct
23 Correct 27 ms 3132 KB Output is correct
24 Correct 36 ms 3132 KB Output is correct
25 Correct 20 ms 3556 KB Output is correct
26 Correct 20 ms 3292 KB Output is correct
27 Incorrect 27 ms 3232 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -

Subtask #8
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 0 ms 340 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 852 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 856 KB Output is correct
9 Correct 9 ms 1284 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1028 KB Output is correct
12 Correct 11 ms 1364 KB Output is correct
13 Correct 8 ms 1592 KB Output is correct
14 Correct 7 ms 1332 KB Output is correct
15 Correct 30 ms 2996 KB Output is correct
16 Correct 25 ms 3104 KB Output is correct
17 Correct 18 ms 3296 KB Output is correct
18 Correct 27 ms 2896 KB Output is correct
19 Correct 31 ms 3124 KB Output is correct
20 Correct 31 ms 3260 KB Output is correct
21 Correct 23 ms 3172 KB Output is correct
22 Correct 21 ms 3284 KB Output is correct
23 Correct 27 ms 3132 KB Output is correct
24 Correct 36 ms 3132 KB Output is correct
25 Correct 20 ms 3556 KB Output is correct
26 Correct 20 ms 3292 KB Output is correct
27 Incorrect 27 ms 3232 KB Wrong Answer [2]
28 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 340 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 852 KB Output is correct
7 Correct 2 ms 600 KB Output is correct
8 Correct 5 ms 856 KB Output is correct
9 Correct 9 ms 1284 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 6 ms 1028 KB Output is correct
12 Correct 11 ms 1364 KB Output is correct
13 Correct 8 ms 1592 KB Output is correct
14 Correct 7 ms 1332 KB Output is correct
15 Correct 30 ms 2996 KB Output is correct
16 Correct 25 ms 3104 KB Output is correct
17 Correct 18 ms 3296 KB Output is correct
18 Correct 27 ms 2896 KB Output is correct
19 Correct 31 ms 3124 KB Output is correct
20 Correct 31 ms 3260 KB Output is correct
21 Correct 23 ms 3172 KB Output is correct
22 Correct 21 ms 3284 KB Output is correct
23 Correct 27 ms 3132 KB Output is correct
24 Correct 36 ms 3132 KB Output is correct
25 Correct 20 ms 3556 KB Output is correct
26 Correct 20 ms 3292 KB Output is correct
27 Incorrect 27 ms 3232 KB Wrong Answer [2]
28 Halted 0 ms 0 KB -