| # | Time | Username | Problem | Language | Result | Execution time | Memory |
|---|---|---|---|---|---|---|---|
| 97733 | silxikys | Broken Device (JOI17_broken_device) | C++14 | 0 ms | 0 KiB |
This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "Annalib.h"
#include <vector>
void Anna(int N, long long X, int K, int P[]) {
std::vector<int> blocked(N,-1);
string ans;
for (int i = 0; i < K; i++) {
blocked[P[i]] = 0;
}
int pos = 0;
for (int i = 0; i < N; i += 3) {
int cnt = (blocked[i] == 0) + (blocked[i+1] == 0) + (blocked[i+2] == 0);
if (cnt > 1 || pos > 60) {
ans += "000";
}
else if (cnt == 1) {
if (blocked[i] == 0) {
if (!(X & (1LL<<pos))) {
ans += "001";
}
else {
ans += "010";
}
pos++;
}
else if (ans[i+1] == 0) {
if (!(X & (1LL<<pos))) {
ans += "001";
pos++;
}
else {
pos++;
if (!(X & (1LL<<pos))) {
ans += "100";
}
else {
ans += "101";
}
pos++;
}
}
else {
if (!(X & (1LL<<pos))) {
ans += "110";
}
else {
ans += "010";
}
pos++;
}
}
else {
bool a = X & (1<<pos);
bool b = X & (1<<(pos+1));
int r = 2*a+b;
if (r == 0) {
ans += "011";
}
else if (r == 1) {
ans += "111";
}
else if (r == 2) {
ans += "100";
}
else {
ans += "101";
}
pos += 2;
}
}
for (int i = 0; i < N; i++) {
Set(i,ans[i]=='0'?0:1);
}
}
#include "Brunolib.h"
#include <vector>
long long Bruno(int N, int A[]) {
string ans;
for (int i = 0; i < N; i += 3) {
int r = A[i] * 4 + A[i+1] * 2 + A[i+2];
if (r == 0) continue;
else if (r == 1) ans += "0";
else if (r == 2) ans += "1";
else if (r == 3) ans += "00";
else if (r == 4) ans += "10";
else if (r == 5) ans += "11";
else if (r == 6) ans += "0";
else if (r == 7) ans += "01";
}
long long res = 0;
long long mult = 1;
for (int i = 0; i < ans.size(); i++) {
if (ans[i] == '1') res += mult;
mult *= 2;
}
return res;
}