oj.uz

Submission #792980

# Submission time Handle Problem Language Result Execution time Memory
792980 2023-07-25T11:57:08 Z JakobZorz The Potion of Great Power (CEOI20_potion) C++14
0 / 100
 281 ms 262144 KB 
#include<iostream>
#include<set>
#include<vector>
#include<unordered_set>
using namespace std;
typedef long long ll;

// time travelling multiset
class TTMS{
    vector<multiset<int>>v;
public:
    TTMS(){
        v={{}};
    }
    
    void add_new_day(){
        v.push_back(v.back());
    }
    
    void insert(int el){
        v.back().insert(el);
    }
    
    void remove(int el){
        v.back().erase(v.back().find(el));
    }
    
    vector<int> get(int day){
        return {v[day].begin(),v[day].end()};
    }
};


int get_closest(vector<int>a,vector<int>b){
    int res=1e9;
    for(int i:a)
        for(int j:b){
            res=min(res,abs(i-j));
        }
    return res;
}


int n;
int heights[100000];
TTMS ttms[100000];

void init(int N, int D, int H[]) {
    n=N;
    for(int i=0;i<n;i++)
        heights[i]=H[i];
}

ll to(int a,int b){
    if(a<b)
        swap(a,b);
    return a+((ll)b<<32);
}

void curseChanges(int U, int A[], int B[]) {
    unordered_set<ll>conns;
    for(int day=0;day<U;day++){
        for(int i=0;i<n;i++)
            ttms[i].add_new_day();
        
        int a=A[day],b=B[day];
        ll conn=to(a,b);
        if(conns.find(conn)==conns.end()){
            conns.insert(conn);
            ttms[a].insert(b);
            ttms[b].insert(a);
        }else{
            conns.erase(conn);
            ttms[a].remove(b);
            ttms[b].remove(a);
        }
    }
}

int question(int x, int y, int v) {
    vector<int>a=ttms[x].get(v);
    vector<int>b=ttms[y].get(v);
    for(int&i:a)
        i=heights[i];
    for(int&i:b)
        i=heights[i];
    
    return get_closest(a,b);
}

Subtask #1
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 8912 KB Output is correct

Subtask #2
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 124 ms 103612 KB Output is correct
2 Correct 143 ms 104200 KB Output is correct
3 Correct 130 ms 103704 KB Output is correct
4 Runtime error 281 ms 262144 KB Execution killed with signal 9
5 Halted 0 ms 0 KB -

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Runtime error 277 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #4
0 / 18.0

# Verdict Execution time Memory Grader output
1 Runtime error 263 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #5
0 / 21.0

# Verdict Execution time Memory Grader output
1 Runtime error 238 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 8912 KB Output is correct
2 Correct 124 ms 103612 KB Output is correct
3 Correct 143 ms 104200 KB Output is correct
4 Correct 130 ms 103704 KB Output is correct
5 Runtime error 281 ms 262144 KB Execution killed with signal 9
6 Halted 0 ms 0 KB -