Submission #595970

#	Time	Username	Problem	Language	Result	Execution time	Memory
595970		fuad27	Parrots (IOI11_parrots)	C++17	88 / 100	13 ms	1424 KiB

encoder

#include "encoder.h"
#include "encoderlib.h"
#include<bits/stdc++.h>
using namespace std;
void encode(int N, int M[]) {
	for(int i = 0;i<N;i++) {
		for(int j = 0;j<8;j++) {
			if(M[i]&(1ll<<j)) {
				if(i < 32) {
					long long num = i*(1ll<<3)+j;
					send(num);
				}
				else {
					long long i_=i-32;
					long long num = i_*(1ll<<3)+j;
					send(num);
					send(num);
				}
			}
		}
	}
}

decoder

#include "decoder.h"
#include "decoderlib.h"
#include<bits/stdc++.h>
using namespace std;
void decode(int N, int L, int X[])
{
	int ans[N];
	for(int i = 0;i<N;i++)ans[i]=0;
	map<int,int> cnt;
	for(int i = 0;i<L;i++)cnt[X[i]]++;
	for(int i = 0;i<L;i++) {
		if(cnt[X[i]]==1) {
			ans[X[i]/8]|=(1ll<<(X[i]%8));
		}
		else if(cnt[X[i]]==2) {
			ans[X[i]/8+32]|=(1ll<<(X[i]%8));
		}
		else if(cnt[X[i]]==3){
			ans[X[i]/8+32]|=(1ll<<(X[i]%8));
			ans[X[i]/8]|=(1ll<<(X[i]%8));
		}
	}
	for(int i = 0;i<N;i++){
		output(ans[i]);
	}
}

• Subtask 1: 17 / 17
• Subtask 2: 17 / 17
• Subtask 3: 18 / 18
• Subtask 4: 29 / 29
• Subtask 5: 7 / 19