用C语言编程,求1到199里面的所有奇数之和!怎么编啊?

Question

如题所述

Answer 1

#include <stdio.h>int main(){ int a, b = 0; for(a = 1; a <= 199; a++) { b = b + a; a = a + 2; } printf("%d\n",b); return 0;}

Answer 2

#include <stdio.h>int main(){int i,sum=0;for(i=1;i<=199;i++){sum+=i;}printf("%d",i);return 0;}

Answer 3

#include <stdio.h> void main(){int sum=0;for(int i=1;i<200;i+=2)sum+=i;printf("sum=%d",sum);}