徐毅然 • 5个月前
#include<iostream> // cin\cout\endl
#include<ctime> //scanf()\printf()
#include<cstdlib> // strcpy()\strcat()\strcmp()\strlen()\memset()
#include<cmath> //sqrt()\pow()\abs()\ceil()\floor()\max()\min()
using namespace std;
int main() {
int num = 1;
for (int i = 9; i >= 1; --i) {
num = (num + 1) * 2;
}
cout << num << endl;
return 0;
}
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