#include <iostream>
#include <vector>
#include <map>
using namespace std;
map<string, int> used;
vector<int> squares = {4};
vector<int> paint(int n) {
squares = vector<int>(n+1);
squares[n] = 10;
string window = "1111111111";
used.clear();
for (int i = 0; i < 10; i++) {
if (i == n)
break;
squares[i] = 1;
}
used[window] = 0;
for (int i = 10; i < n; i++) {
window.erase(0, 1);
window.push_back('0');
if (used.find(window) == used.end())
squares[i] = 0;
else {
squares[i] = 1;
window[9] = '1';
}
used[window] = i - 9;
}
return squares;
}
int find_location(int n, vector<int> c) {
if (c[9] == -1) {
int num = -1;
while(num < 10 && c[num+1] != -1)
num++;
return n - (num+1);
}
if (squares[0] == 4)
squares = paint(n);
string s = "";
for (int i = 0; i < 10; i++) {
if (c[i] == 0) s += "0";
else s += "1";
}
return used[s];
}
