c语言求等比数列之和?答:int main(int argc,char *argv[]){ int n,s,i,t;printf("Enter n(int 0<n)...\nn=");if(scanf("%d",&n)!=1 || n<1){ printf("Input error, exit...\n");return 0;} for(s=0,t=1,i=0;i<n;s+=t*=2,i++);printf("The result is %d.\n",s);return 0;} ...
c语言 输出等差数列和等比数列的前n项,急用答:void geoseq(int, int, int);int main(){ int abase, gbase, delta, prod, an, gn;printf("arithmetic: ");scanf("%d%d%d", &abase, &delta, &an);arithseq(abase, delta, an);printf("geometic: ");scanf("%d%d%d", &gbase, &prod, &gn);geoseq(gbase, prod, gn);return...