题解 | #小乐乐求和#
小乐乐求和
https://www.nowcoder.com/practice/ce0b2eacd3d04647831358c2876e44ff
#include <stdio.h> long long Function(int n) { if(n<=1) return 1; else return n+Function(n-1); } int main() { long long n = 0; scanf("%lld",&n); long long ret = Function(n); printf("%lld",ret); return 0; }