제출 #547491

#제출 시각아이디문제언어결과실행 시간메모리
547491beaconmcCave (IOI13_cave)C++14
0 / 100
1133 ms792 KiB
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include "cave.h"
 
typedef long long ll;
using namespace std;
using namespace __gnu_pbds;
 
#define FOR(i, x, y) for(int i=x; i<y; i++)
#define FORNEG(i, x, y) for(ll i=x; i>y; i--)
#define ordered_set tree<ll, null_type,less_equal<ll>, rb_tree_tag,tree_order_statistics_node_update>
#define fast() ios_base::sync_with_stdio(false);cin.tie(NULL)
#define ll int
 
 
vector<vector<ll>> found;
 
ll test(int N, int n){
    ll ans[N+1];
    for (auto&i : found){
        ans[i[1]] = i[2];
    }
    ll result = tryCombination(ans);
    if (result>=n || result==-1){
        return 0;
    }else{
        return 1;
    }
 
}
 
ll test2(int n, int k, int s){
    ll ans[n+1];
    FOR(i,0,k) ans[i] = s;
    for (auto&i : found){
        ans[i[1]] = i[2];
    }
    ll result = tryCombination(ans);
    if (result>=n || result==-1){
        return 1;
    }else{
        return 0;
    }
 
}
 
void exploreCave(int N){
    FOR(i,0,N){
        ll switchd = test(N,i);
        ll lo = 1;
        ll hi = N+1;
        while (lo < hi) {
            int mid = lo + (hi - lo) / 2;
            if (test2(N, mid, switchd)) {
                hi = mid;
            } else {
                lo = mid + 1;
            }
        };
        found.push_back({i, lo, switchd});
    }
    ll S[N];
    ll D[N];
    for(auto&i : found){
        S[i[0]] = i[2];
        D[i[0]] = i[1];
 
    }
 
    answer(S,D);
 
}
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