baoshuo/OI-codes
baoshuo/OI-codes
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84. 求1+2+…+n

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https://www.acwing.com/problem/content/submission/code_detail/14064231/
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Baoshuo Ren 2022-05-09 19:29:06 +08:00
parent f491e2fc25
commit af3743ba87
Signed by: baoshuo
GPG Key ID: 70F90A673FB1AB68
1 changed files with 8 additions and 0 deletions
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AcWing/84/84.cpp Normal file
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class Solution {
public:
int getSum(int n) {
int r = n;
n && (r += getSum(n - 1));
return r;
}
};