Submission #1017913

#	Time	Username	Problem	Language	Result	Execution time	Memory
1017913		NintsiChkhaidze	Last supper (IOI12_supper)	C++17	20 / 100	300 ms	114676 KiB

advisor

#include <bits/stdc++.h>
#include "advisor.h"
using namespace std;

void ComputeAdvice(int *C, int N, int K, int M) {
	int bt = log2(N);
//	cout<<"bt ="<<bt<<endl;
	
	for (int i=0;i<N;i++){
		int x = C[i];
		for (int j = bt; j >= 0; j--){
			if (((x >> j) & 1)) WriteAdvice(1);
			else WriteAdvice(0);
		}
	}
	
}

assistant

#include <bits/stdc++.h>
#include "assistant.h"
using namespace std;

const int MM = 2e6 + 5;
int CC[MM];
bool on[MM];
set <int> st[MM];
void Assist(unsigned char *A, int N, int K, int R) {
	int bt = log2(N);
//	cout<<bt<<endl;
	
	int id=0;
	for (int i = 0; i < R; i += bt + 1){
		for (int j = i; j <= i + bt; j++){
			if (A[j] == 1) CC[id] |= (1<<(bt-(j-i)));
		}
		id+=1;
	}
	
	for (int i=id-1;i>=0;i--){
		st[CC[i]].insert(i);
	}
	
	set <pair<int,int> > stt;
	for (int i=0;i<K;i++){
		on[i] = 1;
		int val = 0;
		if (!st[i].size()) val=1e9;
		else val=*st[i].begin();
		stt.insert({val,i});
	}
	
	int i;
	for (i = 0; i < N; i++) {
    	int req = GetRequest();
    	if (on[req]) {
    		int val = 0;
			if (!st[req].size()) val=1e9;
			else val=*st[req].begin();
			stt.erase(stt.find({val,req}));
			
			while (st[req].size() && *st[req].begin() <= i){
    			st[req].erase(st[req].begin());
			}
			val = 0;
			if (!st[req].size()) val=1e9;
			else val=*st[req].begin();
			stt.insert({val,req});
			continue;
		}
    	
		int idx=(--stt.end())->second;
		PutBack(idx);
		on[idx] = 0;
		stt.erase(--stt.end());
		on[req] = 1;
		
		while (st[req].size() && *st[req].begin() <= i){
    		st[req].erase(st[req].begin());
		}
		
		int val = 0;
		if (!st[req].size()) val=1e9;
		else val=*st[req].begin();
		stt.insert({val,req});
  	}
}

• Subtask 1: 8 / 8
• Subtask 2: 9 / 9
• Subtask 3: 0 / 9
• Subtask 4: 0 / 35
• Subtask 5: 3 / 39