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GameOfLifeDivTwo.cpp
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GameOfLifeDivTwo.cpp
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#include <string>
#include <vector>
#include <sstream>
#include <iostream>
using namespace std;
class GameOfLifeDivTwo {
public:
string get3(string& s, int i) {
stringstream ss;
int n = s.size();
if (i == 0) {
ss << s[0] << s[n-1] << s[1];
} else if (i == n-1) {
ss << s[n-1] << s[0] << s[n-2];
} else {
ss << s[i-1] << s[i] << s[i+1];
}
return ss.str();
}
int count(string& s) {
int ret = 0;
for (int i = 0; i < s.size(); ++i) {
if (s[i] == '1') ret++;
}
return ret;
}
string theSimulation(string s, int T) {
while (T--) {
string t = "";
for (int i = 0; i < s.size(); ++i) {
string x = get3(s, i);
int cnt = count(x);
if (cnt >= 2) {
t += "1";
}
else if (cnt <= 1) {
t += "0";
}
}
s = t;
}
return s;
}
};