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2 years ago
#include <bits/stdc++.h>
using namespace std;
int main() {
//第10天 10个
//第9天 20个 2份吃掉1份剩1份剩那份是10个吃掉的也是10个
//第8天 30个 3份吃掉1份剩2份吃掉的也是10个。
//第7天 40个 4份吃掉1份剩3份吃掉的也是10个就是每天吃10个
int sum = 0;
for (int i = 10; i > 0; i--) {
sum += 10;
}
cout << sum << endl;
return 0;
}