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OI-codes/Luogu/P1664/P1664.cpp

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#include <bits/stdc++.h>
using namespace std;
int main() {
int n, d = 0, ans = 0, m = 0, now;
cin >> n;
while (n--) {
cin >> now;
if (now) {
if (m > 0) {
d -= pow(2, m - 1);
}
if (d < 0) {
d = 0;
}
ans++;
d++;
m = 0;
if (d >= 3) {
ans++;
}
if (d >= 7) {
ans++;
}
if (d >= 30) {
ans++;
}
if (d >= 120) {
ans++;
}
if (d >= 365) {
ans++;
}
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} else {
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m++;
}
}
cout << ans << endl;
return 0;
}