oj.uz

Submission #574909

# Submission time Handle Problem Language Result Execution time Memory
574909 2022-06-09T12:54:22 Z FatihSolak Last supper (IOI12_supper) C++17
0 / 100
 145 ms 11392 KB 
#include "advisor.h"
#include <bits/stdc++.h>
using namespace std;
void ComputeAdvice(int *c, int n, int k, int m){
    vector<int> occ[n];
    for(int i = n-1;i>=0;i--){
        occ[c[i]].push_back(i);
    }
    for(int i = 0;i<k;i++){
        WriteAdvice(occ[i].empty());
    }
    for(int i = 0;i<n;i++){
        occ[c[i]].pop_back();
        WriteAdvice(occ[c[i]].empty());
    }
}

#include "assistant.h"
#include <bits/stdc++.h>
using namespace std;
struct BIT{
    vector<int> bit;
    int n;
    BIT(int size){
        n = size+5;
        bit.assign(n,0);
    }
    void upd(int pos,int val){
        for(++pos;pos < n;pos += pos & -pos){
            bit[pos] += val;
        }
    }
    int get(int pos){
        int ret = 0;
        for(++pos;pos > 0;pos -= pos & -pos){
            ret += bit[pos];
        }
        return ret;
    }
    int get(int l,int r){
        return get(r) - get(l-1);
    }
    int get_kth(int k){
        int pos = 0;
        for(int i = 20;i>=0;i--){
            if( pos + (1<<i) < n && bit[pos + (1<<i)] < k){
                k -= bit[pos + (1<<i)];
                pos += (1<<i);
            }
        }
        return pos;
    }
};
void Assist(unsigned char *a, int n, int k, int r) {
    srand(time(NULL));
    set<int> s,now;
    BIT bt(n);
    int last = 0;
    for(int i = 0;i<k;i++){
        if(a[last++] == 1){
            s.insert(i);
        }
        now.insert(i);
        bt.upd(i,1);
    }
    assert(k > 3);
    for (int i = 0; i < n; i++) {
        int req = GetRequest();
        if(now.count(req) == 0){
            int num = bt.get_kth(rand()%k + 1);
            if(s.size()){
                num = *s.begin();
                s.erase(s.begin());
            }
            now.erase(num);
            bt.upd(num,-1);
            PutBack(num);
            now.insert(req);
            bt.upd(req,1);
        }
        if(a[last++] == 1){
            s.insert(req);
        }
    }

}

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Runtime error 0 ms 636 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 11 ms 1460 KB Output isn't correct - not an optimal way
2 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 94 ms 8320 KB Output is correct
2 Correct 129 ms 10276 KB Output is correct
3 Correct 122 ms 10332 KB Output is correct
4 Correct 110 ms 10160 KB Output is correct
5 Incorrect 98 ms 8964 KB Output isn't correct - not an optimal way
6 Halted 0 ms 0 KB -

Subtask #4
0 / 35.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 920 KB Output is correct
2 Correct 7 ms 1168 KB Output is correct
3 Incorrect 5 ms 924 KB Output isn't correct - not an optimal way
4 Halted 0 ms 0 KB -

Subtask #5
0.0 / 39.0

# Verdict Execution time Memory Grader output
1 Incorrect 117 ms 9940 KB Output isn't correct - not an optimal way
2 Correct 130 ms 10116 KB Output is correct - 122000 bits used
3 Correct 114 ms 10324 KB Output is correct - 125000 bits used
4 Correct 120 ms 10284 KB Output is correct - 125000 bits used
5 Correct 140 ms 10296 KB Output is correct - 125000 bits used
6 Correct 115 ms 10416 KB Output is correct - 125000 bits used
7 Correct 117 ms 10548 KB Output is correct - 124828 bits used
8 Correct 145 ms 10340 KB Output is correct - 124910 bits used
9 Correct 118 ms 10356 KB Output is correct - 125000 bits used
10 Incorrect 120 ms 11392 KB Output isn't correct - not an optimal way