Submission #349843

# Submission time Handle Problem Language Result Execution time Memory
349843 2021-01-18T14:01:36 Z talant117408 Last supper (IOI12_supper) C++17
100 / 100
162 ms 13712 KB
#include "advisor.h"
#include <bits/stdc++.h>
#ifndef EVAL
#include "grader.cpp"
#endif

using namespace std;

typedef long long ll;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;

#define precision(n) fixed << setprecision(n)
#define pb push_back
#define ub upper_bound
#define lb lower_bound
#define mp make_pair
#define eps (double)1e-9
#define PI 2*acos(0.0)
#define endl "\n"
#define sz(v) int((v).size())
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
#define do_not_disturb ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define OK cout << "OK" << endl;

void ComputeAdvice(int *c, int n, int k, int m) {
    set <pii> K;
    vector <int> in_K(n), in_N(n), used(n), met(n);
    vector <vector <int>> pos(n);
    
    for(int i = 0; i < n; i++){
        if(c[i] < k && !used[c[i]]){
            used[c[i]]++;
            K.insert(mp(i, c[i]));
        }
        pos[c[i]].pb(i);
    }
    for(int i = 0; i < n; i++) pos[i].pb(n);
    for(int i = 0; i < k; i++){
        if(!used[i]) K.insert(mp(n, i));
    }
    for(int i = 0; i < n; i++){
        used[i] = 0;
        if(i < k) used[i] = 1;
    }
    
    vector <int> last(n, -1);
    
    for(int i = 0; i < n; i++){
        met[c[i]]++;
        last[c[i]] = i;
        if(!used[c[i]]){
            auto to = (*K.rbegin());
            K.erase(to);
            if(!met[to.second]) in_K[to.second] = 1;
            else in_N[last[to.second]] = 1;
            used[to.second] = 0;
            used[c[i]] = 1;
            auto it = ub(all(pos[c[i]]), i);
            K.insert(mp(*it, c[i]));
        }
        else{
            auto it2 = K.find(mp(i, c[i]));
            if(it2 != K.end()){
                auto p = ub(all(pos[c[i]]), i);
                K.erase(it2);
                K.insert(mp(*p, c[i]));
            }
        }
    }
    
    for(int i = 0; i < k; i++){
        WriteAdvice(in_K[i]);
    }
    for(int i = 0; i < n; i++){
        WriteAdvice(in_N[i]);
    }
}
/*
9 3 27
3 2 0 4 1 3 0 0 1
*/
#include "assistant.h"
#include <bits/stdc++.h>
#ifndef EVAL
#include "grader.cpp"
#endif

using namespace std;

typedef long long ll;
typedef pair <int, int> pii;
typedef pair <ll, ll> pll;

#define precision(n) fixed << setprecision(n)
#define pb push_back
#define ub upper_bound
#define lb lower_bound
#define mp make_pair
#define eps (double)1e-9
#define PI 2*acos(0.0)
#define endl "\n"
#define sz(v) int((v).size())
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
#define do_not_disturb ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define OK cout << "OK" << endl;

void Assist(unsigned char *a, int n, int k, int r) {
    vector <int> v(n), used(n);
    int ptr = 0;
    for(int i = 0; i < k; i++) used[i] = 1;
    for(int i = 0; i < n; i++){
        int cur = GetRequest();
        v[i] = cur;
        if(used[cur] == 0){
            while(ptr < r && !a[ptr]) ptr++;
            if(ptr < k){
                used[ptr] = 0;
                PutBack(ptr);
            }
            else{
                used[v[ptr-k]] = 0;
                PutBack(v[ptr-k]);
            }
            ptr++;
            used[cur] = 1;
        }
    }
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 980 KB Output is correct
2 Correct 2 ms 744 KB Output is correct
3 Correct 3 ms 880 KB Output is correct
4 Correct 4 ms 1240 KB Output is correct
5 Correct 6 ms 1392 KB Output is correct
6 Correct 6 ms 1184 KB Output is correct
7 Correct 6 ms 1564 KB Output is correct
8 Correct 6 ms 1564 KB Output is correct
9 Correct 6 ms 1312 KB Output is correct
10 Correct 7 ms 1396 KB Output is correct
11 Correct 7 ms 1592 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 12 ms 2012 KB Output is correct
2 Correct 61 ms 6688 KB Output is correct
3 Correct 161 ms 13712 KB Output is correct
4 Correct 104 ms 11976 KB Output is correct
5 Correct 119 ms 12148 KB Output is correct
6 Correct 131 ms 12324 KB Output is correct
7 Correct 161 ms 13496 KB Output is correct
8 Correct 112 ms 11432 KB Output is correct
9 Correct 87 ms 12384 KB Output is correct
10 Correct 160 ms 13576 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 113 ms 10724 KB Output is correct
2 Correct 150 ms 13384 KB Output is correct
3 Correct 157 ms 13420 KB Output is correct
4 Correct 162 ms 13444 KB Output is correct
5 Correct 142 ms 13032 KB Output is correct
6 Correct 149 ms 13500 KB Output is correct
7 Correct 151 ms 13276 KB Output is correct
8 Correct 138 ms 13232 KB Output is correct
9 Correct 130 ms 13692 KB Output is correct
10 Correct 147 ms 13704 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 6 ms 1176 KB Output is correct
2 Correct 6 ms 1440 KB Output is correct
3 Correct 4 ms 1184 KB Output is correct
4 Correct 5 ms 1312 KB Output is correct
5 Correct 5 ms 1312 KB Output is correct
6 Correct 5 ms 1184 KB Output is correct
7 Correct 7 ms 1184 KB Output is correct
8 Correct 7 ms 1568 KB Output is correct
9 Correct 7 ms 1484 KB Output is correct
10 Correct 8 ms 1812 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 144 ms 13148 KB Output is correct - 120000 bits used
2 Correct 153 ms 13228 KB Output is correct - 122000 bits used
3 Correct 153 ms 13436 KB Output is correct - 125000 bits used
4 Correct 155 ms 13640 KB Output is correct - 125000 bits used
5 Correct 155 ms 13316 KB Output is correct - 125000 bits used
6 Correct 154 ms 13436 KB Output is correct - 125000 bits used
7 Correct 157 ms 13588 KB Output is correct - 124828 bits used
8 Correct 160 ms 13468 KB Output is correct - 124910 bits used
9 Correct 158 ms 13316 KB Output is correct - 125000 bits used
10 Correct 143 ms 13348 KB Output is correct - 125000 bits used