题解 | #牛牛学数列#
牛牛学数列
https://www.nowcoder.com/practice/0b97367cd2184c12a0e02f7c223aee11
#include <stdio.h> int main() { int a; int b=0; scanf("%d",&a); if(a%2==0) b=(a/2)*-1; else if(a%2==1) b=(a+1)/2; printf("%d",b); return 0; }
牛牛学数列
https://www.nowcoder.com/practice/0b97367cd2184c12a0e02f7c223aee11
#include <stdio.h> int main() { int a; int b=0; scanf("%d",&a); if(a%2==0) b=(a/2)*-1; else if(a%2==1) b=(a+1)/2; printf("%d",b); return 0; }
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